Mark Lawrence Geller

University	Degree	Focus	Graduated
University of Ca, San Diego, School of Medicine LA Jolla Ca	Other Degree		1985
University of California	Medical Degree		1985

Institution	Focus	Year
Residency - Santa Clara Valley Medical Center Program		Not Specified
Residency - Stanford University Hospital, Endocrinology, Diabetes & Metabolism; Santa Clara Valley Medical Center, Internal Medicine		Not Specified

Certification	Cert. Body	Year
Internal medicine Sub-Specialty: Endocrinology, Diabetes and Metabolism	Internal Medicine	Not Specified

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Review by Anonymous on June 21, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations Not rated
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Geller is such a good doctor... ”

Dr. Geller is such a good doctor! He's very kind extremely smart and very informative. He's the best.. :):)

Verified Patient

“Dr. Geller is such a good doctor...”

Dr. Geller is such a good doctor! He's very kind extremely smart and very informative. He's the best.. :):)

Anonymous 06/21/2025

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Review by Anonymous on June 17, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Geller is very thorough and c... ”

Dr Geller is very thorough and caring

Verified Patient

“Dr Geller is very thorough and c...”

Dr Geller is very thorough and caring

Anonymous 06/17/2025

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Review by Anonymous on June 14, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Received excellent care and conc... ”

Received excellent care and concern from Dr. Geller.

Verified Patient

“Received excellent care and conc...”

Received excellent care and concern from Dr. Geller.

Anonymous 06/14/2025

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Review by Anonymous on June 11, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Geller was professional, unde... ”

Dr Geller was professional, understanding and supportive. I would definitely recommend .

Verified Patient

“Dr Geller was professional, unde...”

Dr Geller was professional, understanding and supportive. I would definitely recommend .

Anonymous 06/11/2025

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Review by Anonymous on June 04, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Got the help I needed. The dr. W... ”

Got the help I needed. The dr. Was very attentive to my questions and concerns. He explain to me his diagnosis clearly and prescribed the medications that was needed to help alleviate the problem!

Verified Patient

“Got the help I needed. The dr. W...”

Got the help I needed. The dr. Was very attentive to my questions and concerns. He explain to me his diagnosis clearly and prescribed the medications that was needed to help alleviate the problem!

Anonymous 06/04/2025

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Review by Anonymous on June 21, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Mark GELLER is an Excellent D... ”

Dr Mark GELLER is an Excellent Dr & his nurse is wonderful!!!

Verified Patient

“Dr Mark GELLER is an Excellent D...”

Dr Mark GELLER is an Excellent Dr & his nurse is wonderful!!!

Anonymous 06/21/2025

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Review by Anonymous on June 15, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Excellent experience with this p... ”

Excellent experience with this provider.

Verified Patient

“Excellent experience with this p...”

Excellent experience with this provider.

Anonymous 06/15/2025

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Review by Anonymous on June 12, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ We are very pleased with our car... ”

We are very pleased with our care and service

Verified Patient

“We are very pleased with our car...”

We are very pleased with our care and service

Anonymous 06/12/2025

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Review by Anonymous on June 09, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ No bad experiences... ”

No bad experiences

Verified Patient

“No bad experiences...”

No bad experiences

Anonymous 06/09/2025

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Review by Anonymous on May 25, 2025 -

Facey Medical Group - Tarzana - 18133 Ventura Boulevard Suite 204

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills Not rated
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr Geller is fantastic... ”

Dr Geller is fantastic

Verified Patient

“Dr Geller is fantastic...”

Dr Geller is fantastic

Anonymous 05/25/2025

Internal Medicine Physician - Endocrinology, Diabetes & Metabolism

Highlights

Biography

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Summary

Provider Training

Specialties

Languages Spoken

Medical Specialties

Payment Options

Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

Facey Medical Group - Tarzana

Practice Colleagues

Daniel Lewis, - Internal Medicine Physician

Mina Moussavian-Assadi, - Pediatrician

Jayvee Regala, - Pediatrician

Jody Levy, - Internal Medicine Physician

Loren Leshan, - Family Medicine Physician

Jeffrey Shukhman, - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance