Summary

Dr. Gregory Johnson specializes in internal medicine and gastroenterology, bringing over five decades of medical expertise to his practice. He earned his medical degree from Northwestern University Feinberg School of Medicine and completed his residency at LAC USC Medical Center. His extensive experience spans 54 years in clinical practice. Dr. Johnson is fluent in both English and Spanish.

Dr. Johnson is affiliated with Los Robles Regional Medical Center and maintains practice locations in Westlake Village and Thousand Oaks, California. He focuses on treating conditions such as hemorrhoids and pancreatic cancer. His procedural expertise includes hemorrhoid infrared photocoagulation, anoscopy, and sigmoidoscopy procedures. Patients have given Dr. Johnson an average rating of 3.7 on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3.7
  • 54 years of experience
  • 4 insurance plans accepted
  • speaks English, Spanish
  • Lac Usc Medical Center
  • 6 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Flexible scheduling

Office Locations

Dr. Gregory Harold Johnson has 2 locations

Specialty Surgical Center Of Westlake Village

696 Hampshire Rd Ste 100Westlake Village, CA 91361
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 - 5:00 pm
SatClosed
SunClosed

Johnson Gregory Office

227 W Janss Rd Ste 215Thousand Oaks, CA 91360
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 - 5:00 pm
SatClosed
SunClosed

Compare with Similar Doctors

Dr. Gregory Harold Johnson, MD
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Dr. Gregory Harold Johnson, MDDr. Tooba Rehman, MDDr. George Mousa, MDDr. Alaa Hajal, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
54 Years of Experience 16 Years of Experience 17 Years of Experience 15 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish
Westlake Village , CAKaty , TXUpland , CADiamond Bar , CA
Med School: Northwestern University Feinberg School Of Medicine Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE Med School: University Of Aleppo Faculty Of Medicine Med School: University Of Damascus Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Gregory Harold Johnson

  • Accepts Medicaid
  • Anthem Blue Cross
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare

Medical Specialties

Dr. Gregory Harold Johnson has the following 2 specialties

Specialty Expertise

Dr. Gregory Harold Johnson has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroenterology
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

54 Years Experience

EDUCATION & TRAINING

Residency

Lac Usc Medical Center

Medical School

Northwestern University Feinberg School Of MedicineGraduated in 1972

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Frequently Asked Questions

Is Dr. Gregory Johnson accepting new patients?
Dr. Gregory Johnson is accepting new patients on Vitals. View Dr. Gregory Johnson's profile on Vitals to make an appointment.
Which hospitals is Dr. Gregory Johnson affiliated with?
Dr. Gregory Johnson is affiliated with Los Robles Regional Medical Center.
Where is Dr. Gregory Johnson's office located?
Dr. Gregory Johnson's office is located at 696 Hampshire Rd Ste 100, Westlake Village, CA, 91361.
Does Dr. Gregory Johnson accept virtual/telehealth appointments?
Dr. Gregory Johnson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Gregory Johnson accept my insurance?
You can see the insurance plans that Dr. Gregory Johnson accepts on their Vitals profile.

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