James Constant, MD
NPI 1457439044 · Surgery Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Constant, MD is a Surgery Physician provider in San Francisco, CA (NPI 1457439044).
Provider details
- NPI number
- 1457439044
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G73408 (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
19 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
- 2006-11-01
- Last updated
- 2021-12-06
Frequently asked questions
- What is James Constant's NPI number?
- James Constant's National Provider Identifier (NPI) is 1457439044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Constant's specialty?
- James Constant is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is James Constant located?
- James Constant's practice location on file with NPPES is 2238 Geary Blvd, San Francisco, CA 94115-3416.
- What is James Constant's phone number?
- The practice phone number listed in the NPPES registry for James Constant is (415) 833-0125.
- Does James Constant accept Medicare?
- James Constant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Constant's NPI active?
- Yes — James Constant's NPI (1457439044) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.