IndividualActive
Thomas Barker, M.D.
NPI 1275574097 · Family Medicine Physician · Yorba Linda, CA
Thomas Barker, M.D. is a Family Medicine Physician provider in Yorba Linda, CA (NPI 1275574097).
Provider details
- NPI number
- 1275574097
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G49616 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
18300 Yorba Linda Blvd
Suite 201
Yorba Linda, CA 92886-4052
Phone: (714) 577-6000
Fax: (714) 572-9538
Street-level locationGet directions
Mailing address
18200 Yorba Linda Blvd
Yorba Linda, CA 92886-4056
Registry dates
- Enumerated
- 2006-06-10
- Last updated
- 2012-04-20
Frequently asked questions
- What is Thomas Barker's NPI number?
- Thomas Barker's National Provider Identifier (NPI) is 1275574097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Barker's specialty?
- Thomas Barker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Barker located?
- Thomas Barker's practice location on file with NPPES is 18300 Yorba Linda Blvd, Yorba Linda, CA 92886-4052.
- What is Thomas Barker's phone number?
- The practice phone number listed in the NPPES registry for Thomas Barker is (714) 577-6000.
- Is Thomas Barker's NPI active?
- Yes — Thomas Barker's NPI (1275574097) is active in the NPPES registry as of the last update on 2012-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.