Summary

Dr. Mark Geller is an internal medicine physician with over four decades of medical experience. He earned his medical degree from the University of California San Diego School of Medicine and completed his residency at Santa Clara Valley Medical Center. With 41 years in practice, Dr. Geller brings extensive knowledge to his internal medicine specialty. He is fluent in English.

Dr. Geller practices at Facey Medical Group in Tarzana, California, and maintains hospital privileges at Encino Hospital Medical Center. He focuses on treating common conditions such as acne, allergies, and anxiety with depression. His practice emphasizes preventive care through cancer screening, chronic disease management, and specialized diabetes care. Patients have given Dr. Geller an average rating of 4.8 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 4.8
  • 41 years of experience
  • 20 insurance plans accepted
  • speaks English
  • Santa Clara Valley Medical Center
  • 476 written reviews
  • 1 specialty
  • 16 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Facey Medical Group - Tarzana

18133 Ventura Blvd Ste 204Tarzana, CA 91356

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Mark Lawrence Geller, MDDr. Adama Diarra, DODr. Adewumi Bakare DMSc, PA-CDr. Alaa Hajal, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
41 Years of Experience 14 Years of Experience 5 Years of Experience 15 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, French, Bambara Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin)
Tarzana , CATigard , ORMesquite , TXDiamond Bar , CA
Med School: University Of California San Diego School Of Medicine Med School: Arizona College of Osteopathic Medicine Med School: University of Lynchburg - DMSc Med School: University Of Damascus Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Mark Lawrence Geller

  • Accepts Medicare
  • Aetna - HMO
  • Aetna PPO
  • Anthem Blue Cross HMO
  • Anthem Blue Cross Medicare Advantage
  • Anthem Blue Cross PPO
  • Blue Shield of CA HMO
  • Blue Shield of CA HMO - Trio
  • Blue Shield of CA Medicare Advantage
  • Cigna HMO
  • Cigna PPO
  • Coventry/First Health PPO
  • Health Net - Medicare Advantage
  • Health Net Cal MediConnect HMO
  • Health Net PPO
  • HealthSmart (Interplan) PPO
  • Humana Medicare Advantage
  • Multiplan PPO
  • SCAN Medicare Advantage
  • US Family Health Plan - TriCare
  • Vivity by Anthem Blue Cross

Medical Specialties

Mark Lawrence Geller has the following specialty

Specialty Expertise

Mark Lawrence Geller has the following 16 areas of expertise

  • Acromegaly
  • Addison Disease
  • Adrenal Gland Diseases
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes, Type 2
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Osteoporosis
  • Pituitary Diseases
  • Thyroid Diseases

Certifications, License, & Education

41 Years Experience

Mark Lawrence Geller holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at Santa Clara Valley Medical Center.

Medical School

Graduated from University Of California San Diego School Of Medicine in 1985.

NPI Number

Mark Lawrence Geller's NPI number is 1093710345.

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Frequently Asked Questions

What languages does Mark Geller speak?
Mark Geller speaks English.
How can I make an appointment with Mark Geller?
You can find contact information for Mark Geller here on Vitals.
Does Mark Geller accept virtual/telehealth appointments?
Mark Geller has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Mark Geller's office located?
Mark Geller's office is located at 18133 Ventura Blvd Ste 204, Tarzana, CA, 91356.
Which hospitals is Mark Geller affiliated with?
Mark Geller is affiliated with Encino Hospital Medical Center.

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