Calvin Shapses, M.D.
NPI 1861840340 · Internal Medicine Physician · San Francisco, CA
Calvin Shapses, M.D. is a Internal Medicine Physician provider in San Francisco, CA (NPI 1861840340).
Provider details
- NPI number
- 1861840340
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G45885 (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
10 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
- 2016-05-25
- Last updated
- 2016-05-25
Frequently asked questions
- What is Calvin Shapses's NPI number?
- Calvin Shapses's National Provider Identifier (NPI) is 1861840340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Shapses's specialty?
- Calvin Shapses is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Shapses located?
- Calvin Shapses's practice location on file with NPPES is 730 Harrison Street, San Francisco, CA 94107.
- What is Calvin Shapses's phone number?
- The practice phone number listed in the NPPES registry for Calvin Shapses is (415) 392-3611.
- Is Calvin Shapses's NPI active?
- Yes — Calvin Shapses's NPI (1861840340) is active in the NPPES registry as of the last update on 2016-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.