Dr Mark Stephen Thoma, MD - Medicare Anesthesiology in San Francisco, CA

Dr Mark Stephen Thoma, MD is a medicare enrolled "Anesthesiology" physician in San Francisco, California. His current practice location is 2425 Geary Blvd, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 476-3235.

Dr Mark Stephen Thoma is licensed to practice in California (license number A91601) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1467575233.

Contact Information

Dr Mark Stephen Thoma, MD
2425 Geary Blvd,
San Francisco, CA 94115-3358
(415) 476-3235
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Stephen Thoma
GenderMale
SpecialityAnesthesiology
Location2425 Geary Blvd, San Francisco, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1467575233
  • Provider Enumeration Date: 04/09/2007
  • Last Update Date: 12/21/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1052458734
  • Enrollment ID: I20091029000168

Medical Identifiers

Medical identifiers for Dr Mark Stephen Thoma such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467575233NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A91601 (California)Primary

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 Stephen Thoma allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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 Stephen Thoma 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 Stephen Thoma, MD
S-436, Box 0427, Ucsf Dept Of Anesthesia & Perioperative Care,
San Francisco, CA 94143-0427

Ph: (415) 476-3235
Dr Mark Stephen Thoma, MD
2425 Geary Blvd,
San Francisco, CA 94115-3358

Ph: (415) 476-3235

Reviews and Comments


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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.

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