Mark Sears, MD
NPI 1134169105 · Internal Medicine Physician · San Francisco, CA
Mark Sears, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1134169105).
Provider details
- NPI number
- 1134169105
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C50116 (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
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
- 2006-06-07
- Last updated
- 2007-12-28
Frequently asked questions
- What is Mark Sears's NPI number?
- Mark Sears's National Provider Identifier (NPI) is 1134169105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sears's specialty?
- Mark Sears is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sears located?
- Mark Sears's practice location on file with NPPES is 1735 Mission Street, San Francisco, CA 94103.
- What is Mark Sears's phone number?
- The practice phone number listed in the NPPES registry for Mark Sears is (415) 746-1940.
- Is Mark Sears's NPI active?
- Yes — Mark Sears's NPI (1134169105) is active in the NPPES registry as of the last update on 2007-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.