Emjay Tan, M.D.
NPI 1124244090 · Addiction Psychiatry Physician · San Bruno, CA
Emjay Tan, M.D. is a Addiction Psychiatry Physician provider in San Bruno, CA (NPI 1124244090).
Provider details
- NPI number
- 1124244090
- Entity type
- Individual
- Primary specialty
- Addiction Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036115054 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-04-18
- Last updated
- 2016-04-20
Frequently asked questions
- What is Emjay Tan's NPI number?
- Emjay Tan's National Provider Identifier (NPI) is 1124244090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emjay Tan's specialty?
- Emjay Tan is listed in the NPPES registry with a primary specialty of Addiction Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Emjay Tan located?
- Emjay Tan's practice location on file with NPPES is 1001 Sneath Ln, San Bruno, CA 94066-2308.
- What is Emjay Tan's phone number?
- The practice phone number listed in the NPPES registry for Emjay Tan is (650) 616-6200.
- Is Emjay Tan's NPI active?
- Yes — Emjay Tan's NPI (1124244090) is active in the NPPES registry as of the last update on 2016-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.