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Robert Langston, M.D.
NPI 1891861399 · Pediatrics Physician · San Francisco, CA
Robert Langston, M.D. is a Pediatrics Physician provider in San Francisco, CA (NPI 1891861399).
Provider details
- NPI number
- 1891861399
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G38057 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
3838 California St.
Suite #815
San Francisco, CA 94118
Phone: (415) 221-6476
Fax: (415) 221-3903
Street-level locationGet directions
Mailing address
3838 California St.
San Francisco, CA 94118
Registry dates
- Enumerated
- 2006-11-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Langston's NPI number?
- Robert Langston's National Provider Identifier (NPI) is 1891861399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Langston's specialty?
- Robert Langston is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Langston located?
- Robert Langston's practice location on file with NPPES is 3838 California St., San Francisco, CA 94118.
- What is Robert Langston's phone number?
- The practice phone number listed in the NPPES registry for Robert Langston is (415) 221-6476.
- Is Robert Langston's NPI active?
- Yes — Robert Langston's NPI (1891861399) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.