Thomas P. Hsia, M.D., Inc.
NPI 1316147820 · Gastroenterology Physician · Santa Maria, CA
Thomas P. Hsia, M.D., Inc. is a Gastroenterology Physician organization in Santa Maria, CA (NPI 1316147820).
Provider details
- NPI number
- 1316147820
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas Hsia, Owner/Physician(805) 922-6581
- License
- G060975 (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
18 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
- 2007-07-23
- Last updated
- 2008-11-10
Frequently asked questions
- What is Thomas P. Hsia, M.D., Inc.'s NPI number?
- Thomas P. Hsia, M.D., Inc.'s National Provider Identifier (NPI) is 1316147820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thomas P. Hsia, M.D., Inc.?
- Thomas P. Hsia, M.D., Inc. is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas P. Hsia, M.D., Inc. located?
- Thomas P. Hsia, M.D., Inc.'s practice location on file with NPPES is 525 E Plaza Dr, Santa Maria, CA 93454-6953.
- What is Thomas P. Hsia, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Thomas P. Hsia, M.D., Inc. is (805) 922-6581.
- Who is the authorized official for Thomas P. Hsia, M.D., Inc.?
- The authorized official listed on Thomas P. Hsia, M.D., Inc.'s NPPES record is Thomas Hsia, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thomas P. Hsia, M.D., Inc.'s NPI active?
- Yes — Thomas P. Hsia, M.D., Inc.'s NPI (1316147820) is active in the NPPES registry as of the last update on 2008-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.