Michael John Nystrom, M.D.
Anatomic Pathology & Clinical Pathology Physician · San Francisco, CA
Michael John Nystrom, M.D. is an anatomic pathology & clinical pathology physician with a practice address in San Francisco, California, and NPI 1316274871, issued on Nov 4, 2009. Check the license (California A 107003, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael John Nystrom
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A 107003 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2338 21St Ave, San Francisco, CA 94116
- Phone
- (415) 244-8459
- Enumerated
- Nov 4, 2009
- Record last updated
- Feb 11, 2022
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Verify Michael John Nystrom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A 107003Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael John Nystrom among 1,554 anatomic pathology & clinical pathology physician records in California
Michael John Nystrom, M.D. is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 33% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,554 in California → Every provider in San Francisco → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Michael Deftos, M.D.,PH.D.San Francisco, CA 941161346557139
- Fredric Mendes, MDSan Francisco, CA 941161356319032
- Ronald Balassanian, MDSan Francisco, CA 941151043282379
- Andrew Bandy, M.D.San Francisco, CA 941151902148810
- Amanda Borgen, MDSan Francisco, CA 941151851928469
- Sarah Cherny, M.D.San Francisco, CA 941151750593869
- Carey Eberle, M.D.San Francisco, CA 941151790913507
- Dean Fong, DOSan Francisco, CA 941151609057041
Common questions
What is Michael John Nystrom, M.D.'s NPI number?
Michael John Nystrom, M.D.'s National Provider Identifier (NPI) is 1316274871, issued on Nov 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michael John Nystrom, M.D. located?
The NPPES record lists a practice address at 2338 21St Ave, San Francisco, CA, 94116. Phone: (415) 244-8459. Providers update this record themselves, so call before visiting.
How can I verify Michael John Nystrom, M.D.'s license?
NPPES lists California license number A 107003, 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. 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.