Carl Otto, MD
NPI 1275551087 · Obstetrics & Gynecology Physician · San Francisco, CA
Carl Otto, MD is a Obstetrics & Gynecology Physician provider in San Francisco, CA (NPI 1275551087).
Provider details
- NPI number
- 1275551087
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G65352 (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
- 2006-07-18
- Last updated
- 2011-11-01
Frequently asked questions
- What is Carl Otto's NPI number?
- Carl Otto's National Provider Identifier (NPI) is 1275551087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Otto's specialty?
- Carl Otto is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Carl Otto located?
- Carl Otto's practice location on file with NPPES is 3700 California St, San Francisco, CA 94118-1618.
- What is Carl Otto's phone number?
- The practice phone number listed in the NPPES registry for Carl Otto is (415) 750-6400.
- Is Carl Otto's NPI active?
- Yes — Carl Otto's NPI (1275551087) is active in the NPPES registry as of the last update on 2011-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.