Dr Mark L Geller, MD - Medicare Internal Medicine in Tarzana, CA

Dr Mark L Geller, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Tarzana, California. He went to University Of California, San Diego School Of Medicine and graduated in 1985 and has 39 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Providence Facey Medical Foundation and his current practice location is 18133 Ventura Blvd, Suite 204, Tarzana, California. You can reach out to his office (for appointments etc.) via phone at (818) 466-7700.

Dr Mark L Geller is licensed to practice in California (license number G60287) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1093710345.

Contact Information

Dr Mark L Geller, MD
18133 Ventura Blvd, Suite 204,
Tarzana, CA 91356-3641
(818) 466-7700
(818) 996-1649



Physician's Profile

Full NameDr Mark L Geller
GenderMale
SpecialityInternal Medicine
Experience39 Years
Location18133 Ventura Blvd, Tarzana, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mark L Geller attended and graduated from University Of California, San Diego School Of Medicine in 1985
  NPI Data:
  • NPI Number: 1093710345
  • Provider Enumeration Date: 06/14/2005
  • Last Update Date: 10/23/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 8921093279
  • Enrollment ID: I20100107000668

Medical Identifiers

Medical identifiers for Dr Mark L Geller such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093710345NPI-NPPES
T0796OtherCARAILROAD GROUP NUMBER
WG60287AOtherCAMEDICARE RENDERING NUMBER
110061982OtherCARAILROAD RENDERING NUMBER
YYY40048YMedicaidCA
95-3132732OtherCABLUE CROSS OF CALIFORNIA
YYY40048YOtherCABLUE SHIELD OF CALIFORNIA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism G60287 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Facey Medical Foundation3173436276282

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Mark L Geller allows following entities to bill medicare on his behalf.
Entity NameProvidence Facey Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710031588
PECOS PAC ID: 3173436276
Enrollment ID: O20031105000822

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News outlets noted that as she announced she was leaving the GOP presidential race, Rep. Michele Bachmann continued to criticize the Affordable Care Act

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Delirium, a form of acute brain dysfunction, is widespread in critically ill patients in lower resourced hospitals, and the duration of delirium predicted both mortality and disability at six months after discharge, according to a study published in PLOS ONE.

Study on Lumalier's automated UV device for decontaminating hospital rooms presented at the ICAAC

In a study presented at the 49th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC), researchers used a mobile, automated UV device to decontaminate hospital rooms at the Cleveland Veterans Affairs (VA) Medical Center in Ohio and analyzed its ability to remove troublesome bacteria, including C. difficile spores.

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Mark L Geller is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Mark L Geller, MD
Po Box 9602,
Mission Hills, CA 91346-9602

Ph: (818) 837-5559
Dr Mark L Geller, MD
18133 Ventura Blvd, Suite 204,
Tarzana, CA 91356-3641

Ph: (818) 466-7700

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Bachmann's parting shot: Repeal health law

News outlets noted that as she announced she was leaving the GOP presidential race, Rep. Michele Bachmann continued to criticize the Affordable Care Act

Duration of delirium in critically ill patients predicts mortality and disability

Delirium, a form of acute brain dysfunction, is widespread in critically ill patients in lower resourced hospitals, and the duration of delirium predicted both mortality and disability at six months after discharge, according to a study published in PLOS ONE.

Study on Lumalier's automated UV device for decontaminating hospital rooms presented at the ICAAC

In a study presented at the 49th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC), researchers used a mobile, automated UV device to decontaminate hospital rooms at the Cleveland Veterans Affairs (VA) Medical Center in Ohio and analyzed its ability to remove troublesome bacteria, including C. difficile spores.

Seven quality guidelines for breast, colorectal cancer care

The American Society of Clinical Oncology and the National Comprehensive Cancer Network on Tuesday released seven quality guidelines for breast and colorectal cancer care, CQ Today reports.

Read more News

› Verified 4 days ago


Internal Medicine Doctors in Tarzana, CA

Ryan Matthew Ponec, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 18133 Ventura Blvd Ste 300, Tarzana, CA 91356
Phone: 818-981-3818    
Dr. Jeffrey Philip Salberg, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 18370 Burbank Blvd, Ste 601, Tarzana, CA 91356
Phone: 818-996-5700    Fax: 818-996-1649
Dr. Jeffrey Work, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 18370 Burbank Blvd, Suite 707, Tarzana, CA 91356
Phone: 818-345-5580    Fax: 818-774-0458
Alan Fozailoff, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 18370 Burbank Blvd, Suite 211, Tarzana, CA 91356
Phone: 818-334-5750    Fax: 951-272-9924
Dr. Yehuda Handelsman, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 18372 Clark St, Suite 212, Tarzana, CA 91356
Phone: 818-708-9942    Fax: 818-708-0154
Dr. Richard C Wong, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 18370 Burbank Blvd, Suite 707, Tarzana, CA 91356
Phone: 818-345-5580    Fax: 818-774-0458

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