1. Home
  2. Directory
  3. California
  4. Yorba Linda
  5. Family Medicine
  6. NPI Profile

THOMAS BARKER M.D.
NPI 1275574097
Family Medicine in Yorba Linda, CA

Active since June 10, 2006
18300 YORBA LINDA BLVD, SUITE 201, YORBA LINDA, CA 92886(714) 577-6000(714) 572-9538 Get Directions Write a Review

NPPES record last updated: April 20, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Thomas Barker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS BARKER M.D. (NPI 1275574097) is an individual family medicine provider in Yorba Linda, California, licensed in California (G49616) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1275574097
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameTHOMAS BARKERCredential: M.D.
Location Address18300 YORBA LINDA BLVD, SUITE 201Yorba Linda, CA 92886-4052
Mailing Address18200 Yorba Linda Blvd, Suite 401Yorba Linda, CA 92886-4056
Phone(714) 577-6000
Fax(714) 572-9538
Sole ProprietorNo
Enumeration DateJune 10, 2006
Last NPPES UpdateApril 20, 2012
✔ NPI 1275574097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G49616
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
18300 YORBA LINDA BLVD, Yorba Linda, CA 92886
Open in Google Maps ↗

Other Identifiers 3

Medicaid00G496160CA
Medicare ID-Type UnspecifiedWG49616BCA
Medicare UPINA51415CA

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MATTHEW MCGARVEY PA-C
Physician Assistant (Medical)
18300 YORBA LINDA BLVD, SUITE 204
YORBA LINDA, CA 92886
Orange County (714) 577-6031
JEANETTE S ALVES P.A.
Physician Assistant (Medical)
18300 YORBA LINDA BLVD, STE #201
YORBA LINDA, CA 92886
Orange County (714) 577-6000
SHYLA MICHELLE WITTHAUS FNP-BC
Nurse Practitioner (Family)
18300 YORBA LINDA BLVD
YORBA LINDA, CA 92886
Orange County (714) 577-6000
DR. GREGG DENICOLA MD
Family Medicine
18300 YORBA LINDA BLVD, SUITE 204
YORBA LINDA, CA 92886
Orange County (714) 577-6031
KATHLEEN B DIESTO RD
Nutritionist
18300 YORBA LINDA BLVD, STE 204
YORBA LINDA, CA 92886
Orange County (714) 577-6031
SALLY TRAN RD
Dietitian, Registered
18300 YORBA LINDA BLVD
YORBA LINDA, CA 92886
Orange County (714) 577-6031
MS. XANDI JACQUELINE CRAIG P.A.
Physician Assistant (Medical)
18300 YORBA LINDA BLVD, SUITE 204
YORBA LINDA, CA 92886
Orange County (714) 577-6031
CADUCEUS PHYSICIANS MEDICAL GROUP
Family Medicine
18300 YORBA LINDA BLVD, SUITE 204
YORBA LINDA, CA 92886
Orange County (714) 577-6031

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Barker's NPI number?

The NPI number for Thomas Barker is 1275574097. It was assigned to this individual provider in the NPPES registry on June 10, 2006.

Where is Thomas Barker located?

Thomas Barker practices at 18300 Yorba Linda Blvd Suite 201, Yorba Linda, CA 92886. The listed phone number is (714) 577-6000.

What is Thomas Barker's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Thomas Barker was last updated on April 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.