John Thomas, MD
NPI 1578630646 · Anesthesiology Physician · Fountain Valley, CA
John Thomas, MD is a Anesthesiology Physician provider in Fountain Valley, CA (NPI 1578630646).
Provider details
- NPI number
- 1578630646
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A55827 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2006-11-30
- Last updated
- 2015-06-12
Frequently asked questions
- What is John Thomas's NPI number?
- John Thomas's National Provider Identifier (NPI) is 1578630646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Thomas's specialty?
- John Thomas is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Thomas located?
- John Thomas's practice location on file with NPPES is 10900 Warner Ave, Fountain Valley, CA 92708-3846.
- What is John Thomas's phone number?
- The practice phone number listed in the NPPES registry for John Thomas is (714) 887-0150.
- Is John Thomas's NPI active?
- Yes — John Thomas's NPI (1578630646) is active in the NPPES registry as of the last update on 2015-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.