Dr John Fullerton, MD - Medicare Internal Medicine in San Francisco, CA

Dr John Fullerton, MD is a medicare enrolled "Internal Medicine" physician in San Francisco, California. He went to University Of Miami, Lm Miller School Of Medicine and graduated in 1985 and has 39 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 1700 California St, Suite 470, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 202-9990.

Dr John Fullerton is licensed to practice in California (license number G59000) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1588756266.

Contact Information

Dr John Fullerton, MD
1700 California St, Suite 470,
San Francisco, CA 94109
(415) 202-9990
(415) 843-0548

Map and Direction




Physician's Profile

Full NameDr John Fullerton
GenderMale
SpecialityInternal Medicine
Experience39 Years
Location1700 California St, San Francisco, California
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John Fullerton attended and graduated from University Of Miami, Lm Miller School Of Medicine in 1985
  NPI Data:
  • NPI Number: 1588756266
  • Provider Enumeration Date: 09/29/2006
  • Last Update Date: 09/23/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 4284627084
  • Enrollment ID: I20110210000080

Medical Identifiers

Medical identifiers for Dr John Fullerton such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588756266NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G59000 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Novato Healthcare CenterNovato, CANursing home

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 Fullerton allows following entities to bill medicare on his behalf.
Entity NameHampton Health Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013142280
PECOS PAC ID: 0840342051
Enrollment ID: O20090722000272
Entity NameHolistic Hyperbarics Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811608391
PECOS PAC ID: 8426410929
Enrollment ID: O20230816000144

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 Fullerton 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 John Fullerton, MD
1700 California St, Suite 470,
San Francisco, CA 94109

Ph: (415) 202-9990
Dr John Fullerton, MD
1700 California St, Suite 470,
San Francisco, CA 94109

Ph: (415) 202-9990

Reviews and Comments


Internal Medicine Doctors in San Francisco, CA

Dr. Shannon Walker,
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Phone: 571-271-8343    
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Phone: 415-514-6200    Fax: 415-514-6410
Dr. Chelsea Joy Thomsen, M.D., M.S.P.H
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Phone: 415-206-5164    Fax: 415-206-5586
Stephen Norris Cohen, MD
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Phone: 415-681-2171    Fax: 415-681-2171
Mauricio Jalife Bucay, M.D
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Practice Location: 505 Parnassus Ave, San Francisco, CA 94143
Phone: 415-750-4994    Fax: 415-750-8156
Dr. Adriana A.t. Martin, M.D., PH.D.
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Medicare: Medicare Enrolled
Practice Location: 505 Parnassus Ave, San Francisco, CA 94143
Phone: 415-514-7288    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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