Stephen Leung, MD
NPI 1609305127 · Addiction Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Leung, MD is a Addiction Psychiatry Physician provider in San Francisco, CA (NPI 1609305127).
Provider details
- NPI number
- 1609305127
- Entity type
- Individual
- Primary specialty
- Addiction Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A171863 (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
9 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
- 2017-06-08
- Last updated
- 2024-04-05
- Certified
- 2024-04-05
Frequently asked questions
- What is Stephen Leung's NPI number?
- Stephen Leung's National Provider Identifier (NPI) is 1609305127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Leung's specialty?
- Stephen Leung is listed in the NPPES registry with a primary specialty of Addiction Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Leung located?
- Stephen Leung's practice location on file with NPPES is 4150 Clement St Bldg 1, San Francisco, CA 94121-1563.
- What is Stephen Leung's phone number?
- The practice phone number listed in the NPPES registry for Stephen Leung is (415) 221-4810.
- Does Stephen Leung accept Medicare?
- Stephen Leung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Leung's NPI active?
- Yes — Stephen Leung's NPI (1609305127) is active in the NPPES registry as of the last update on 2024-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.