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 Geller:
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- Currently 2.5 of 4 stars
The overall average patient rating of Dr. Mark Geller is Good.
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Specialties & Research
Dr. Mark Geller, MD is board certified in Internal Medicine and Endocrinology, Diabetes & Metabolism.
- He has special expertise in 7 areas:
- Adrenal Gland Diseases
- Diabetes Mellitus
- Pituitary Diseases
- Thyroid Diseases
Education & Awards
Dr. Geller graduated from Sanger General Hospital, University Of California San Diego School Of Medi. He has 2 awards.
Dr. Geller has 4 hospital affiliations:
- Little Company of Mary Hospital
- Little Company of Mary-San Pedro Hospital
Accepted Insurance Plans
Dr. Geller accepts these health insurances in at least one office:
- Great-West Healthcare - 2 plans
- Unicare - 11 plans
- Anthem Blue Cross - 9 plans
- Humana - 8 plans
- Cigna - 4 plans
- Aetna - 2 plans