Mark Leary, MD
NPI 1639108772 · Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Leary, MD is a Psychiatry Physician provider in San Francisco, CA (NPI 1639108772).
Provider details
- NPI number
- 1639108772
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G60430 (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
- 2006-07-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Leary's NPI number?
- Mark Leary's National Provider Identifier (NPI) is 1639108772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Leary's specialty?
- Mark Leary is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Leary located?
- Mark Leary's practice location on file with NPPES is 1001 Potrero Ave, San Francisco, CA 94110-3518.
- What is Mark Leary's phone number?
- The practice phone number listed in the NPPES registry for Mark Leary is (415) 206-5612.
- Does Mark Leary accept Medicare?
- Mark Leary is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Leary's NPI active?
- Yes — Mark Leary's NPI (1639108772) 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.