Stephen Nishimura, MD
NPI 1457307688 · Anatomic Pathology & Clinical Pathology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Nishimura, MD is a Anatomic Pathology & Clinical Pathology Physician provider in San Francisco, CA (NPI 1457307688).
Provider details
- NPI number
- 1457307688
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G68337 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-26
- Last updated
- 2008-06-12
Frequently asked questions
- What is Stephen Nishimura's NPI number?
- Stephen Nishimura's National Provider Identifier (NPI) is 1457307688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Nishimura's specialty?
- Stephen Nishimura is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Nishimura located?
- Stephen Nishimura's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Stephen Nishimura's phone number?
- The practice phone number listed in the NPPES registry for Stephen Nishimura is (415) 353-1633.
- Does Stephen Nishimura accept Medicare?
- Stephen Nishimura is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Nishimura's NPI active?
- Yes — Stephen Nishimura's NPI (1457307688) is active in the NPPES registry as of the last update on 2008-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.