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Mark Lawrence Geller

Internal Medicine Physician - Endocrinology, Diabetes & Metabolism

Highlights

  • Board Certified

Biography

Mark Lawrence Geller is a Internal Medicine Physician - Endocrinology, Diabetes & Metabolism practicing in Tarzana, CA

He has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

I've been going to Dr. Geller for many years as my Endocrinologist and have received excellent care. He's an expert in his field and a great listener.…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
University of Ca, San Diego, School of Medicine LA Jolla CaOther Degree1985
University of CaliforniaMedical Degree1985

InstitutionFocusYear
Residency - Santa Clara Valley Medical Center Program Not Specified
Residency - Stanford University Hospital, Endocrinology, Diabetes & Metabolism; Santa Clara Valley Medical Center, Internal MedicineNot Specified

CertificationCert. BodyYear
Internal medicine
Sub-Specialty: Endocrinology, Diabetes and Metabolism		Internal MedicineNot Specified

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Endocrinology, Diabetes & Metabolism

Internal Medicine

Years In Practice: 33 (started in 1992)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 4.9
Number of Reviews: 339
Most Recent Review: 08/21/2025
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Office & Staff Evaluation Not rated

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation

Clear Explanations
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Verified Patient

“I've been going to Dr. Geller fo...”

I've been going to Dr. Geller for many years as my Endocrinologist and have received excellent care. He's an expert in his field and a great listener.

Anonymous 08/21/2025
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Verified Patient

“This was my first visit and I ha...”

This was my first visit and I have chosen to keep the doctor as my primary doctor. I would recommend him to anyone looking for a doctor

Anonymous 08/07/2025
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Verified Patient

“Everything's great I need a bett...”

Everything's great I need a better understanding of cholesterol results

Anonymous 08/07/2025
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Verified Patient

“Dry friendly and clean office. I...”

Dry friendly and clean office. I always feel they really care about me as an individual.

Anonymous 08/04/2025
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Verified Patient

“ALWAYS very good care...”

ALWAYS very good care

Anonymous 07/07/2025
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Verified Patient

“Very good experience....”

Very good experience.

Anonymous 08/10/2025
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Verified Patient

“All of my experiences with Dr. G...”

All of my experiences with Dr. Geller and his team have been consistently excellent.

Anonymous 08/07/2025
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Verified Patient

“Very good, first time I've ever ...”

Very good, first time I've ever been there

Anonymous 08/06/2025
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Verified Patient

“I am very pleased with Dr. Gella...”

I am very pleased with Dr. Gellar. He listens and answers my questions well and refers me out responsibly. He doesn't personally have to explain much to me because everything's listed out almost immediately In my patient portal to which I receive alerts on.

Anonymous 08/01/2025
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Verified Patient

“All good keep up the good work...”

All good keep up the good work

Anonymous 06/28/2025
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Mark Lawrence Geller has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Mark Lawrence Geller has not yet specified the insurance plans he accepts.
     

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