A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Mark Johnson:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 1 of 4 stars
The overall average patient rating of Dr. Mark Johnson is Poor.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
- He has special expertise in 2 areas:
- Acne Rosacea
- Flu (Human Influenza)
Education & Awards
Dr. Johnson graduated from Loma Linda University.
Dr. Johnson has 10 hospital affiliations:
- East Los Angeles Doctor's Hospital
- Cedars-Sinai Medical Center
Accepted Insurance Plans
Dr. Johnson accepts these health insurances in at least one office:
- LA Care Health Plan - 3 plans
- United Healthcare - 19 plans
- Blue Shield of California - 93 plans
- Care 1st Health Plan - 1 plan
- Anthem Blue Cross - 9 plans
- Cigna - 11 plans
- Humana - 1 plan
Similar doctors nearby
- Additional Information
- Where does Dr. Mark D. Johnson practice?
Dr. Mark Johnson practices Dermatology, Family Medicine, General Practice, Radiology, Radiation Oncology, and Reproductive Endocrinology near Los Angeles, CA.
See Los Angeles Dermatologists, Los Angeles Family Physicians, Los Angeles General Practitioners, Los Angeles Radiologists, and Los Angeles Endocrinologists.