Thomas Tan, MD
NPI 1215018700 · Psychiatry Physician · Austin, TX
Thomas Tan, MD is a Psychiatry Physician provider in Austin, TX (NPI 1215018700).
Provider details
- NPI number
- 1215018700
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E8271 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-10-18
- Last updated
- 2010-12-15
Frequently asked questions
- What is Thomas Tan's NPI number?
- Thomas Tan's National Provider Identifier (NPI) is 1215018700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Tan's specialty?
- Thomas Tan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Tan located?
- Thomas Tan's practice location on file with NPPES is 4110 Guadalupe St, Austin, TX 78751-4223.
- What is Thomas Tan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Tan is (512) 419-2731.
- Is Thomas Tan's NPI active?
- Yes — Thomas Tan's NPI (1215018700) is active in the NPPES registry as of the last update on 2010-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.