NPPES file of Aug 9, 2026

Olaf A. Holoyda, MD

Anesthesiology Physician · San Francisco, CA

Olaf A. Holoyda, MD is an anesthesiology physician with a practice address in San Francisco, California, and NPI 1548348139, issued on Nov 1, 2006. Check the license (California A60351, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548348139
Name
Olaf A. Holoyda
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A60351 CA
Self-reported in NPPES; status is on the state search
Practice location
2200 Ofarrell St, San Francisco, CA 94115
Phone
(415) 833-2000
Enumerated
Nov 1, 2006
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A603510 CA
Medicare enrollment
Enrolled (PECOS I20110216000006); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2200 Ofarrell St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Luba Abascal, MDInternal Medicine Physician1023180874
  2. Mitchell Adachi, MDAnatomic Pathology Physician1720166366
  3. Lesley Aiken, MDInternal Medicine Physician1629156120
  4. Jonathan Alexander, MDHospitalist Physician1811075450
  5. Gabull Alhadhrami, NPAcute Care Nurse Practitioner1427124098
  6. Bryan Andrews, MDAnesthesiology Physician1609954239

Verify Olaf A. Holoyda in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A60351
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Permanente Medical Group IncSanta Clara, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Olaf A. Holoyda among 7,571 anesthesiology physician records in California

Olaf A. Holoyda, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1994 · median 2006 among the 4,868 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

499 anesthesiology physician records list a practice address in San Francisco

They are 499 of the 38,143 NPPES records with a practice address in San Francisco, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Bryan Andrews, MDSan Francisco, CA 941151609954239
  2. Wayne Bellows, MDSan Francisco, CA 941151528146115
  3. Gregory Chang, MDSan Francisco, CA 941151801974407
  4. Thomas Cromwell, MDSan Francisco, CA 941151962458570
  5. Kathryn Demas, MDSan Francisco, CA 941151679651277
  6. John Howse, MDSan Francisco, CA 941151699853291
  7. Kenneth Kampman, MDSan Francisco, CA 941151124106711
  8. Jeffrey Levy, MDSan Francisco, CA 941151487693909

Common questions

What is Olaf A. Holoyda, MD's NPI number?

Olaf A. Holoyda, MD's National Provider Identifier (NPI) is 1548348139, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Olaf A. Holoyda, MD located?

The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.

How can I verify Olaf A. Holoyda, MD's license?

NPPES lists California license number A60351, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.