724 Internists Found in Thousand Oaks, CA

We found 724 Internists available in Thousand Oaks, CA with an average 4 stars across 5,565 reviews. Find the best one for your needs by years of experience, distance, reviews on Vitals, and more through the filters provided below. Currently, 340 Internists listed are accepting new patients and 267 accept Medicare.

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Dr. Tamar Heisler

Pediatrics
18 years exp
Accepting New Patients
Virtual Visit available
Franklin, TN
Dr. Tami Heisler is a Board-Certified Pediatrician with over 10 years of experience providing compassionate and personalized care to children and their families at As You Are. View Profile

Dr. Tracy Ching-Hue Burton

Pediatrics
18 years exp
Accepting New Patients
Virtual Visit available
Franklin, TN
Dr. Tracy Burton is a Board-Certified Pediatrician with over 10 years of experience providing expert care to children and families as the Chief Medical Officer at As You Are. View Profile

Eric Harker

Internal Medicine
Saw me in a timely manner
1 Award
25 years exp
Accepting New Patients
Virtual Visit available
Lyons, CO
"Eric is amazing and the most caring person I know. He always has a huge smile on his face and feels super blessed that he gets to help people for his job." View Profile

Dr. Samantha Von Ins, MD

Family Medicine
Spent time with me
16 years exp
Accepting New Patients
Virtual Visit available
Placentia, CA
"Her staff is so friendly and courteous. The new office in Placentia is soooo beautiful! Dr. Von Ins is so thorough, patient, and very knowledgeable. Love her!!" View Profile

Yves Chery, CT, ASCP, APRN, BSN, MSN

Family Medicine
Gave an accurate diagnosis
Accepting New Patients
Virtual Visit available
SUWANEE, GA
"He radiates warmth and kindness. I have never felt so heard and respected by a medical professional. Great experience and I highly recommend him." View Profile

Dr. Adewumi Bakare DMSc, PA

Internal Medicine
Accepting New Patients
Virtual Visit available
Mesquite, TX
Dr. Adewumi Bakare, DMSc, PA-C, is a doctorally trained, board-certified Physician Associate with over 17 years of clinical experience delivering compassionate, patient-centered medical care. View Profile

Dr. Dr. Karanbir Brar

Geriatric Medicine
Gave an accurate diagnosis
16 years exp
Accepting New Patients
Virtual Visit available
Oceanside, CA
"I am always looking for doctors who are focused on prevention and providing the highest level of care and concern, Dr, Brar was extremely well intentioned in his ability to guide me to certain tests and health strategies to get some of my markers under control and also recc some advanced new tests to truly allow us to establish a strong prevention plan." View Profile

Benjamin Domingo, FNP

Integrative Medicine
28 years exp
Accepting New Patients
Virtual Visit available
Chicago, IL
Benjamin Domingo, APRN is a Board-certified Family Nurse Practitioner with 20+ years of healthcare experience, including primary care and advanced training in obesity medicine. View Profile

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Dr. Sanjiv Goel, MD

Cardiovascular Disease
43 years exp
Accepting New Patients
Thousand Oaks, CA1.8 mi
"He saved my life, discovering a hole in my heart that had caused 2 previously undiagnosed TIA’s that we’re basically ignored by other drs." View Profile

Dr. Shahryar A Ashouri, MD

Oncology
24 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"So helpful in my diagnosis of multiple myeloma I still ask him for 2 nd opinion on all my future treatments. ??" View Profile

Dr. Gilbert Simoni, MD

Gastroenterology
Accepting New Patients
Thousand Oaks, CA1.5 mi
"Pleasant doctor. He listens to my concerns and is personable. Wonderful bedside manners. I highly recommend him to anyone who has health issues. The staff were helpful." View Profile

Dr. Andrew John Kaufman, MD

Dermatology
41 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"Extremely skilled MOHS and Plastic surgeon...Inspires complete confidence !!!" View Profile

Dr. Rameschandra D Bambhania, MD

Dermatology
Spent time with me
41 years exp
Accepting New Patients
Virtual Visit available
Tustin, CA
"Dr. Bambhania is a godsend to me, I would have given 100+ stars if possible..." View Profile

Dr Huma Aziz

Internal Medicine
31 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
Dr Dr Huma Aziz is a health care provider primarily located in Thousand Oaks, CA, with other offices in San Jose, CA and Thousand Oaks, CA(and 3 other locations). View Profile

Dr. Dr. Karanbir Brar

Geriatric Medicine
Flexible scheduling
16 years exp
Accepting New Patients
Virtual Visit available
Oceanside, CA
"I am always looking for doctors who are focused on prevention and providing the highest level of care and concern, Dr, Brar was extremely well intentioned in his ability to guide me to certain tests and health strategies to get some of my markers under control and also recc some advanced new tests to truly allow us to establish a strong prevention plan." View Profile

Dr. Harris Louis Wasser, MD

Endocrinology, Diabetes & Metabolism
49 years exp
Thousand Oaks, CA1.7 mi
"I have known Dr. Wasser for several years now. He first appeared as an on-call physician when my daughter was in ER for what we later understood was diabetes complications." View Profile

Corinna Ruth Mosher, MD

Internal Medicine
29 years exp
Accepting New Patients
Thousand Oaks, CA1.3 mi
"Dr. Mosher is fantastic! Super knowledgeable and compassionate. She listens and makes you feel heard. Relentless when it comes to determining the best treatment." View Profile

Dr. Leo Polosajian, MD

Cardiovascular Disease
27 years exp
Accepting New Patients
Thousand Oaks, CA1.6 mi
"Dr. Leo Palosajian is extremely knowledgeable in his specialization -cardiology. However, his knowledge and expertise extends beyond his cardiovascular specialization. " View Profile

Dr. Anya Darice Consiglio, MD

Internal Medicine
24 years exp
Thousand Oaks, CA1.7 mi
"She excellent. Have recommended her to several people." View Profile

Dr. Niti Vaid, DO

Internal Medicine
24 years exp
Thousand Oaks, CA1.7 mi
"She always calls back and goes over results." View Profile

Dr. Varol S Togay, MD

Cardiovascular Disease
42 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"Dr. Toguy is an excellent Cardiologist .He was able to find out what was wrong with me, when all others had failed. His Bedside manners were so warm and showed he really cared." View Profile

Dr. Nima Ghadimi, MD

Internal Medicine
Provided follow-up after the visit
29 years exp
Accepting New Patients
Virtual Visit available
Scottsdale, AZ
"Dr. Ghadimi is an exceptional doctor. If you need a Telehealth visit, the service is outstanding unless one is scheduled with the AWFUL M.A. Julian Zermeno." View Profile

Dr. Michael Jay Albertson, MD

Gastroenterology
55 years exp
Accepting New Patients
Thousand Oaks, CA1.3 mi
"Finally. A doctor who is experienced and who listens. Diagnosed my IBS that was twice misdiagnosed. Saved me from constant distress." View Profile

Francoise Menteer

Internal Medicine
29 years exp
Thousand Oaks, CA1.8 mi
"I went to Dr. Menteer after an experience with another internist of the “prevention police” variety so common in CA, e.g." View Profile

Dr. Steven Phillip Mccarthy, MD

Internal Medicine
30 years exp
Accepting New Patients
Thousand Oaks, CA1.3 mi
Dr. Dr. Steven Phillip Mccarthy, MD is a health care provider primarily located in Thousand Oaks, CA. He has 30 years of experience. His specialties include Internal Medicine. View Profile

Dr. Cristina Nicole Porch-Curren, MD

Allergy & Immunology
27 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"There aren't enough words to express my gratitude for Dr. Porch and Coastal Allergy Care." View Profile

Dr. Jane Christine Lindberg, MD

Internal Medicine
43 years exp
Accepting New Patients
Thousand Oaks, CA1.3 mi
Dr. Dr. Jane Christine Lindberg, MD is a health care provider primarily located in Thousand Oaks, CA, with other offices in Northridge, CA and Thousand Oaks, CA. View Profile

Dr. Rimma Shaposhnikov, MD

Gastroenterology
25 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"I just had an endoscopy and colonoscopy at the West Hills surgery suite. Our initial visit was mellow and informative." View Profile

Dr. Samantha Von Ins, MD

Family Medicine
Flexible scheduling
16 years exp
Accepting New Patients
Virtual Visit available
Placentia, CA
"Her staff is so friendly and courteous. The new office in Placentia is soooo beautiful! Dr. Von Ins is so thorough, patient, and very knowledgeable. Love her!!" View Profile

Dr. Vinod Kumar Gupta, MD

Internal Medicine
54 years exp
Accepting New Patients
Simi Valley, CA0.6 mi
Dr. Dr. Vinod Kumar Gupta, MD is a health care provider primarily located in Simi Valley, CA, with other offices in Thousand Oaks, CA and Visalia, CA(and 2 other locations). View Profile

Dr. Vijay Kumar Garg, MD

Cardiovascular Disease
52 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"Dr. Garg is one of the finest Cardiologists in this area. He is extremely through, patient and caring." View Profile

Dr. Ashraf Nagi Nashed, MD

Cardiovascular Disease
40 years exp
Thousand Oaks, CA1.7 mi
"Dr. Nashed has been our doctor for over 20 years. He is extremely knowledgeable, caring, trustworthy, well educated, and helpful with wonderful bedside manner." View Profile

Dr. Eugene S Ahn, MD

Radiation Oncology
28 years exp
Accepting New Patients
Thousand Oaks, CA1.2 mi
"Was very pleased with Dr. Ahn. He spent plenty of time answering my questions. He was very compassionate. His radiation staff in Thousand Oaks were great and very caring." View Profile

Dr. Yasmeen Kabir, MD

Dermatology
16 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
Dr. Dr. Yasmeen Kabir, MD is a health care provider primarily located in Thousand Oaks, CA, with other offices in Agoura Hills, CA and Thousand Oaks, CA. View Profile

Peter Ira Margolis, MD

Internal Medicine
48 years exp
Accepting New Patients
Thousand Oaks, CA1.9 mi
"I wonder what some of the people submitting negative reviews expect from a doctor. Dr. Margolis is an extremely competent and thorough doctor." View Profile

Dr. J Antonio A Lopez, MD

Cardiovascular Disease
Thousand Oaks, CA3.6 mi
"I first met Dr. Lopez when I was experiencing some minor chest/arm pain and was referred to him by my family physician." View Profile

Dr. Anthony Willis Capparelli, MD

Nephrology
44 years exp
Accepting New Patients
Thousand Oaks, CA1.6 mi
"I highly recommended Dr Capparelli. He is extremely through and explains in easy to understand terms the results of any diagnostic tests he’s ordered and my lab work." View Profile

Dr. Leon Barkodar, MD

Neurology
16 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
Dr. Dr. Leon Barkodar, MD is a health care provider primarily located in Thousand Oaks, CA, with another office in Thousand Oaks, CA. He has 16 years of experience. View Profile

Dr. Lubna Isho, DO

Family Medicine
Had a good bedside manner
1 Award
25 years exp
Accepting New Patients
Virtual Visit available
Pomona, CA
"She's a very good doctor, very helpful and informative. They are also very quick on sending out refferals to see other specialist 5/5" View Profile

Dr. Roopa Chari, MD

Integrative Medicine
Gave an accurate diagnosis
31 years exp
Accepting New Patients
Virtual Visit available
Encinitas, CA
"Working with Dr. Roopa Chari has made a big difference in how I feel day to day." View Profile

Dr. Nina Rachel Levy, MD

Internal Medicine
30 years exp
Accepting New Patients
Thousand Oaks, CA1.2 mi
"You are the best doctor ,you understand what I go through and you are always there for me when ever I need you to be there." View Profile

Eric Harker

Internal Medicine
Saw me in a timely manner
1 Award
25 years exp
Accepting New Patients
Virtual Visit available
Lyons, CO
"Eric is amazing and the most caring person I know. He always has a huge smile on his face and feels super blessed that he gets to help people for his job." View Profile

Dr. Na Shen, MD

Endocrinology, Diabetes & Metabolism
17 years exp
Accepting New Patients
Thousand Oaks, CA1.3 mi
"Dr. Shen seems very knowledgeable in treating patients with diabetes. She is very easy to converse with, listens very carefully and is able to diagnose problems very quickly." View Profile

Dr. Maryum Habib Merchant, MD

Pulmonology
24 years exp
Thousand Oaks, CA1.7 mi
"Excellent bedside manner, very skilled professional, Very personable and kind hearted human being. Excellent medical professional." View Profile

Dr. John Young Hess, MD

Cardiovascular Disease
51 years exp
Accepting New Patients
Thousand Oaks, CA1.8 mi
Dr. Dr. John Young Hess, MD is a health care provider primarily located in Thousand Oaks, CA. He has 51 years of experience. View Profile

Irving Kent Loh, MD, FACC, FAHA, FCCP, FACP

Cardiovascular Disease
54 years exp
Thousand Oaks, CA1.5 mi
"Amazing doctor! He genuinely listens to your concerns without making you feel rushed or dismissed." View Profile

Dr. Adam Frank Cavallero, MD

Internal Medicine
19 years exp
Accepting New Patients
Thousand Oaks, CA1.3 mi
Dr. Dr. Adam Frank Cavallero, MD is a health care provider primarily located in Thousand Oaks, CA, with another office in West Hills, CA. He has 19 years of experience. View Profile

Dr. Robert Alan Princenthal, MD

Diagnostic Radiology
46 years exp
Accepting New Patients
Thousand Oaks, CA1.5 mi
"My experience with Dr. Princenthal and his staff was everything that you would hope for when working with a specialist." View Profile

Dr. Roman Leibzon, MD

Cardiovascular Disease
28 years exp
Thousand Oaks, CA1.7 mi
Dr. Dr. Roman Leibzon, MD is a health care provider primarily located in Thousand Oaks, CA, with other offices in West Hollywood, CA and West Hills, CA(and 2 other locations). View Profile

Dr. James Randall Higgins, MD

Cardiovascular Disease
25 years exp
Thousand Oaks, CA1.7 mi
Dr. Dr. James Randall Higgins, MD is a health care provider primarily located in Thousand Oaks, CA, with other offices in Panorama City, CA and Los Angeles, CA(and 4 other locations). View Profile

Dr. Adama Diarra, DO

Internal Medicine
Provided follow-up after the visit
14 years exp
Accepting New Patients
Virtual Visit available
Tigard, OR
"Dr. Adama Diarra was my 84 year old father's PCP. Dr. Diarra was very pro-active in adjusting his medications as his disease sates progressed and his kidney function declined." View Profile

Dr. Mysore Rangappa Nagaraja, MD

Gastroenterology
56 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
Dr. Dr. Mysore Rangappa Nagaraja, MD is a health care provider primarily located in Thousand Oaks, CA, with other offices in Thousand Oaks, CA and Burbank, CA(and 6 other locations). View Profile

Dr. Amitkumar Vitthalbhai Patel, MD

Family Medicine
30 years exp
Accepting New Patients
Thousand Oaks, CA1.2 mi
"I had a very good appointment with Dr Patel. He greeted me with a smile and asked why I was there. He examined me in the area of pain, explained clearly my options." View Profile

Dr. Sharmini Asha Balakrishnan, MD

Ophthalmology
17 years exp
Accepting New Patients
Thousand Oaks, CA2.8 mi
"A superlatives consultation in every possible way. A brillante doctor supported by a capable professional team of nueses and techs." View Profile

Dr. Virginia Von Schaefer, MD

Oncology
Provided follow-up after the visit
43 years exp
Accepting New Patients
Virtual Visit available
San Clemente, CA
"As I sit here in the VVS MD IV treatment room with 3 other patients, we are all sharing our stories." View Profile

Dr. Andre Shahab Yousefia, MD

Internal Medicine
30 years exp
Accepting New Patients
Thousand Oaks, CA1.8 mi
"Outstanding physician with impeccable care, knowledge, and resources he and his staff are truly remarkable with their tender care ,efficiently and follow up ." View Profile

Dr. James Steven Merrin, MD

Internal Medicine
37 years exp
Thousand Oaks, CA1.7 mi
"He is the most thorough and caring physician that my family and I have ever been to. He is extremely good at ascertaining the whole picture and giving THE proper diagnose." View Profile

Dr. David Bjelica, MD

Endocrinology, Diabetes & Metabolism
28 years exp
Thousand Oaks, CA1.7 mi
"Very caring, knowledgeable and understanding." View Profile

Dr. Shariar Cohen-Gadol, MD

Rheumatology
24 years exp
Accepting New Patients
Thousand Oaks, CA1.3 mi
"Dr. Cohen is truly one of a kind." View Profile

Dr. Forough Parsa, MD

Cardiovascular Disease
61 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"She helped in saving my life from recurring paracarditus. She is a very caring and supportive doctor. Wish I still lived in CA and was still seeing her." View Profile

Dr. Cristina Susana Wiese, MD

Gastroenterology
23 years exp
Thousand Oaks, CA1.6 mi
Dr. Dr. Cristina Susana Wiese, MD is a health care provider primarily located in Thousand Oaks, CA, with another office in Thousand Oaks, CA. She has 23 years of experience. View Profile

Dr. May Lin Wilgus, MD

Critical Care Medicine
21 years exp
Thousand Oaks, CA1.7 mi
"Dr Wilgus is smart thorough , excellent doctor . However, beware her office staff." View Profile

Dr. Gerald Solomon Rothman, MD

Gastroenterology
59 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"Dr Rothman was very patient, he paid attention to every detail of my health concerns ." View Profile

Dr. Edward Barry Portnoy, MD

Internal Medicine
52 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
Dr. Dr. Edward Barry Portnoy, MD is a health care provider primarily located in Thousand Oaks, CA, with other offices in Thousand Oaks, CA and Westlake Village, CA(and 3 other locations). View Profile

Dr. Comron Maleki, MD

Dermatology
53 years exp
Accepting New Patients
Thousand Oaks, CA1.7 mi
"Dr. Maleki is the best. I wouldn't go to anyone else. Excellent doctor, wonderful staff." View Profile

Dr. Ramesh Vaidya Nathan, MD

Infectious Disease
26 years exp
Thousand Oaks, CA1.6 mi
"I’m very pleased with Dr. Nathan. He has awesome bedside manner, is thorough, listens to your questions and gives you his best answer, does not rush you by any means." View Profile

Yves Chery, CT, ASCP, APRN, BSN, MSN

Family Medicine
Had a good bedside manner
Accepting New Patients
Virtual Visit available
SUWANEE, GA
"He radiates warmth and kindness. I have never felt so heard and respected by a medical professional. Great experience and I highly recommend him." View Profile

Dr. Raghav Sharma, MD

Cardiovascular Disease
Provided follow-up after the visit
16 years exp
Accepting New Patients
Virtual Visit available
Winter Park, FL
"Outstanding Doctor... easy to talk to and under stand ..." View Profile

What is an Internist and How Can They Help You?

An internist specializes in adult medicine, providing comprehensive care for complex medical conditions. These physicians excel at diagnosing challenging cases and managing patients with multiple organ system involvement.

Internists complete medical school and a three-year internal medicine residency. Many pursue subspecialty fellowship training in fields such as cardiology, gastroenterology, or infectious disease, though general internists maintain broad adult medical expertise.

An Internist's clinical practice encompasses:

  • Concentrates on adult patient populations and multi-system medical management
  • Conducts medical history reviews, physical assessments, diagnostic test interpretation
  • Manages metabolic disorders, cardiovascular disease, pulmonary conditions, infectious processes, and immune-mediated diseases
  • Employs pharmaceutical management, preventive medicine, health counseling, and specialist coordination
  • Alternative titles: adult medicine specialist, general internist, MD, DO

Frequently Asked Questions

What's the best way to search for an Internist in Thousand Oaks who accepts my health insurance?
Navigate to the insurance filter located at the top of the search page and select your health plan. This will display only Internists in Thousand Oaks who are in-network with your carrier. For additional confirmation, visit each doctor's profile or reach out to their office by phone.
Where can I find Internists in Thousand Oaks who offer virtual appointments?
Select the "Virtual Visit" filter at the top of the search page to see Internists providing telehealth services in Thousand Oaks. Check each doctor's profile for video visit options and online scheduling availability. You may also call their office to set up a remote consultation.
What's the easiest way to locate highly-rated Internists in Thousand Oaks?
Use the "Ratings" filter at the top of the search page to filter results by the average star rating. Browse individual profiles to see patient reviews and ratings in detail. When comparing Internists, look at both the average star rating and how many patients have submitted reviews.
Is it possible to schedule a same-day visit with an Internist in Thousand Oaks?
Visit individual doctor profiles to see their current scheduling availability in Thousand Oaks. If you don't see same-day openings listed online, try calling their office—walk-in times may be available that don't appear on the website.
Which Internists in Thousand Oaks have the shortest wait times?
Review the Ratings & Reviews card on each provider's profile to see their average wait time in Thousand Oaks. This helps you find an Internist that doesn’t make their patients wait too long.
Can I schedule appointments with Internists in Thousand Oaks without calling?
Search for Internists who have "Book Online" or "Request Now" options on their profiles. Click these buttons to access online appointment scheduling. If a provider doesn't offer web-based booking, their phone number will be available for traditional scheduling.
How do I locate an Internist in Thousand Oaks with evening or weekend hours?
Check the Locations card on each profile to view office hours for Internists in Thousand Oaks. This helps you find providers with non-traditional availability. For the most accurate information about extended availability, call the office directly.
How do I leave feedback about my appointment with an Internist in Thousand Oaks?
Go to your doctor's profile page and click the "Leave a Review" button or link. You can share your rating and write about your experience. Patient reviews like yours help others in the community choose the right Internist.
How can I locate an Internist in Thousand Oaks who is fluent in my preferred language?
Review the language information displayed on individual profiles for Internists. If this information isn't available online, contact the office directly to ask about the doctor's language capabilities or whether interpreters are available.
How do I search for an Internist in Thousand Oaks who works at a particular hospital or medical center?
Check the "Hospital Affiliation" and "Locations" sections on each provider's profile to see where Internists practice. You can also enter a specific hospital or medical group name into the search tool to find Internists who work there.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

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