Dr John Gilly Graham, MD, PHD in San Francisco, CA

Dr John Gilly Graham, MD, PHD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in San Francisco, California. He went to Northwestern University Feinberg Medical School and graduated in 2014 and has 12 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Icahn School Of Medicine At Mount Sinai, University Of California San Francisco and his current practice location is 400 Parnassus Ave # A550, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 353-2350.

Dr John Gilly Graham is licensed to practice in California (license number C201229) 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 1225440746.

Contact Information

	Dr John Gilly Graham, MD, PHD
	400 Parnassus Ave # A550, San Francisco, CA 94143-2202
	(415) 353-2350
	(415) 353-2337

Map and Direction

Physician's Profile

Full Name	Dr John Gilly Graham
Gender	Male
Speciality	Endocrinology
Experience	12 Years
Location	400 Parnassus Ave # A550, San Francisco, California
Accepts Medicare Assignments	Yes. 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 John Gilly Graham attended and graduated from Northwestern University Feinberg Medical School in 2014

NPI Data:

NPI Number: 1225440746
Provider Enumeration Date: 06/02/2014
Last Update Date: 04/18/2025

Medicare PECOS Information:

PECOS PAC ID: 8325339062
Enrollment ID: I20201223001530

Medical Identifiers

Medical identifiers for Dr John Gilly Graham such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1225440746	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	288970-1 (New York)	Secondary
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	C201229 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Ucsf Medical Center	San francisco, CA	Hospital
Mount Sinai Hospital	New york, NY	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Icahn School Of Medicine At Mount Sinai	2264691070	2587
University Of California San Francisco	4486567229	1541

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 John Gilly Graham allows following entities to bill medicare on his behalf.

Entity Name	Icahn School Of Medicine At Mount Sinai
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1235490277 PECOS PAC ID: 2264691070 Enrollment ID: O20121004000137

Entity Name	Fpa Hospital Based
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1629319413 PECOS PAC ID: 4789826694 Enrollment ID: O20130806000185

Entity Name	Icahn School Of Medicine At Mount Sinai
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1255719563 PECOS PAC ID: 2264691070 Enrollment ID: O20150917001387

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 John Gilly Graham 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 Address	Practice Location Address
Dr John Gilly Graham, MD, PHD 1 Gustave L Levy Pl # 1118, New York, NY 10029-6504 Ph: () -	Dr John Gilly Graham, MD, PHD 400 Parnassus Ave # A550, San Francisco, CA 94143-2202 Ph: (415) 353-2350

Reviews and Comments

Internal Medicine Doctors in San Francisco, CA

Joseph Li-han Yang, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-476-1000
Dr. Pratyusha Kishore Narra, MBBS Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 3490 California St, San Francisco, CA 94118 Phone: 415-514-6200 Fax: 415-514-6410
Dr. Chelsea Joy Thomsen, M.D., M.S.P.H Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 2 W Portal Ave, San Francisco, CA 94127 Phone: 415-291-0480 Fax: 415-252-7176
Christine Soran, Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 1001 Potrero Ave, Bldg 10, 3rd Floor, Ward 13, Ucsf Division Of General Internal Medicine Sfgh, San Francisco, CA 94110 Phone: 415-206-5164 Fax: 415-206-5586
Stephen Norris Cohen, MD Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 40 Ventura Ave, San Francisco, CA 94116 Phone: 415-681-2171 Fax: 415-681-2171
Dr. Claudio Andres Bravo Carrillo, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-502-4243 Fax: 415-502-0243
Mauricio Jalife Bucay, M.D Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-750-4994 Fax: 415-750-8156

Dr John Gilly Graham, MD, PHD - Medicare Endocrinology in San Francisco, CA