Dr. Mark A. Greenstadt, MD | Northridge, CA | Internal Medicine

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Dr. Mark Greenstadt is an internal medicine physician who specializes in endocrinology, diabetes and metabolism. He earned his medical degree from the David Geffen School of Medicine at UCLA and brings five decades of clinical experience to his practice. Dr. Greenstadt speaks English with his patients.

Dr. Greenstadt practices at Dignity Health Northridge Hospital Medical Center in Northridge, California. He focuses on managing type 2 diabetes in both adults and younger patients. His expertise includes treating diabetic emergencies and providing comprehensive care through blood work and other diagnostic testing. Patients have given Dr. Greenstadt an average rating of 4.0 on Vitals.

AI-generated from data on this provider profile.

accepting new patients
4

24 Ratings
50 years of experience
37 insurance plans accepted
speaks English
David Geffen School Of Medicine At Ucla
7 written reviews
2 specialties
11 areas of expertise
2 board certifications
1 hospital affiliation
2 office locations
Male

24 ratings & reviews

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Showing 1 to 7 of 7 reviews

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Very knowledge with a great bed sinner manner. I gem

May 22nd, 2020

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The secretary is a very mean person. She should be very nice to the patients because the patients have illnesses. She should not be talking to the patients. She should be just doing filing clerks.

April 18th, 2019

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He is a hands on Doctor. Draws patient’s lab test, call for results and not just deligating it to his secretary. Answers every questions and treat patients with dignity and respect. His secretary Patty is great too. If you call the office and nobody answers just leave a message and they will call you.

October 25th, 2018

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LISTENS to you. Answers all your questions. He is involved in your treatment. He ALWAYS calls to give you the results of your blood tests. With some doctors you get these results from the receptionist who simply reads it off the paper.

September 21st, 2017

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Great doctor. He is intelligent, spends time with patients & answers all questions. He likes his patients and treats them with respect. He is very knowledgable about medicine and takes the time to answer difficult questions.

December 16th, 2014

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Dr. Greenstadt spends the necessary time with you and explains in laymens' terms the medical issues. He is extremely knowledgeable, but most importantly is his humanity. He just recently made sure that I received the results from a scan on the day the scan was taken. I have recommended him to others and will continue to do so.

April 3rd, 2013

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Dr was recommended to me by another dr. The first few times I visited there wasn't a problem. The last time I visited was just horrible, I do not know if dr was having a bad day, week or what but he gave me meds which I thought I was having a reaction to and when I called him he stated that he had never heard of anyone having a reaction. I asked if he was going to recommend another medication and he out right told me that there was no more he could do for me. I seeked another dr and was hospitalized immediately with fluid around my heart and had to have immediate surgery. My heart was being crushed by fluid. This dr never took an EKG, chest xray or blood work to see if there was a reason why I was having a problem with the medication he prescribed. Very, very disappointed and angry with this doctor. So very sad.

January 18th, 2012

Dignity Health Northridge Hospital Medical Center

18300 Roscoe BlvdNorthridge, CA 91325

Greenstadt & Barakat Mds

18350 Roscoe Blvd Ste 300Northridge, CA 91325

Tel: (818) 717-3021

Mon9:00 am - 5:00 pm

Tue9:00 am - 5:00 pm

Wed9:00 am - 5:00 pm

Thu9:00 am - 5:00 pm

Fri9:00 am - 12:00 pm

SatClosed

SunClosed


Dr. Mark Abel Greenstadt, MD	Dr. Alaa Hajal, MD	Dr. George Mousa, MD	Dr. Tooba Rehman, MD
Internal Medicine	Internal Medicine	Internal Medicine	Internal Medicine
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4 (24 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
50 Years of Experience	15 Years of Experience	17 Years of Experience	16 Years of Experience
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English
Northridge , CA	Diamond Bar , CA	Upland , CA	Katy , TX
Med School: David Geffen School Of Medicine At Ucla	Med School: University Of Damascus Faculty Of Medicine	Med School: University Of Aleppo Faculty Of Medicine	Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE
Current Profile	View Profile	View Profile	View Profile

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Acromegaly
Addison Disease
Cushing Disease
Diabetes (Types I & II)
Endocrinology, Diabetes & Metabolism
Fatigue
Gland Issues
Hormones
Hyperthyroidism
Hypopituitarism
Hypothyroidism

EDUCATION & TRAINING

Medical School

David Geffen School Of Medicine At UclaGraduated in 1976

Dr. Pooja Siddharth Desai
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8 Years Exp | Los Angeles, CA
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Garegin Melkonyan
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Dr. Danielle Taylor Estell
Pediatrics
4 Years Exp | Los Angeles, CA
(0)
Dr. Sai Prasanna Narasimmal
Critical Care Medicine
9 Years Exp | West Hollywood, CA
(0)
Adriana Ponce
Nurse Practitioner
| Los Angeles, CA
(0)
Dr. John Mina Morkos
Diagnostic Radiology
4 Years Exp | Los Angeles, CA
(0)
Dr. Pauline Hoa Nguyen
Nurse Practitioner
| Simi Valley, CA
(0)
Dr. Ivan Antonio Soto-Arape
Critical Care Medicine
45 Years Exp | Sioux Falls, SD
(1)
Dr. Ann Petra Dadamo
Emergency Medicine
54 Years Exp | Newnan, GA
(2)
Dr. Nicholas Brian Rose, MD
Diagnostic Radiology
7 Years Exp | Los Angeles, CA
(0)

Which hospitals is Dr. Mark Greenstadt affiliated with?: Dr. Mark Greenstadt is affiliated with Dignity Health Northridge Hospital Medical Center.
What languages does Dr. Mark Greenstadt speak?: Dr. Mark Greenstadt speaks English.
Does Dr. Mark Greenstadt accept virtual/telehealth appointments?: Dr. Mark Greenstadt has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Mark Greenstadt accept my insurance?: You can see the insurance plans that Dr. Mark Greenstadt accepts on their Vitals profile.
How can I make an appointment with Dr. Mark Greenstadt?: You can find contact information for Dr. Mark Greenstadt here on Vitals.

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