Thomas Blair, INTERNAL MEDICINE
NPI 1417053422 · Internal Medicine Physician · Orange, CA
Thomas Blair, INTERNAL MEDICINE is a Internal Medicine Physician provider in Orange, CA (NPI 1417053422).
Provider details
- NPI number
- 1417053422
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- INTERNAL MEDICINE
- Sex
- Male
- Sole proprietor
- Yes
- License
- G45575 (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
- 2006-09-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Blair's NPI number?
- Thomas Blair's National Provider Identifier (NPI) is 1417053422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Blair's specialty?
- Thomas Blair is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Blair located?
- Thomas Blair's practice location on file with NPPES is 725 W La Veta Ave, Orange, CA 92868-4403.
- What is Thomas Blair's phone number?
- The practice phone number listed in the NPPES registry for Thomas Blair is (714) 538-7060.
- Is Thomas Blair's NPI active?
- Yes — Thomas Blair's NPI (1417053422) 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.