Michael Nystrom, M.D.
NPI 1316274871 · Anatomic Pathology & Clinical Pathology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Nystrom, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in San Francisco, CA (NPI 1316274871).
Provider details
- NPI number
- 1316274871
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A 107003 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-11-04
- Last updated
- 2022-02-11
Frequently asked questions
- What is Michael Nystrom's NPI number?
- Michael Nystrom's National Provider Identifier (NPI) is 1316274871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Nystrom's specialty?
- Michael Nystrom is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Nystrom located?
- Michael Nystrom's practice location on file with NPPES is 2338 21st Ave, San Francisco, CA 94116-2430.
- What is Michael Nystrom's phone number?
- The practice phone number listed in the NPPES registry for Michael Nystrom is (415) 244-8459.
- Does Michael Nystrom accept Medicare?
- Michael Nystrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Nystrom's NPI active?
- Yes — Michael Nystrom's NPI (1316274871) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.