Thomas McDonald, MD
Clinical Pathology/Laboratory Medicine Physician · Valencia, CA
Thomas McDonald, MD is a clinical pathology/laboratory medicine physician with a practice address in Valencia, California, and NPI 1407265903, issued on Aug 8, 2014. Check the license (California A149938, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Thomas McDonald
- Credential
- MD
- Primary taxonomy
- Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
- License number
- A149938 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27027 Tourney RD, Valencia, CA 91355
- Phone
- (661) 799-6704
- Enumerated
- Aug 8, 2014
- Record last updated
- Sep 15, 2022
- Entity
- Type 1 · individual
8 nearest clinical pathology/laboratory medicine physician records → All 131 in California → Look up another NPI →
Also registered at 27027 Tourney RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Basel Kashlan, M.D.Anatomic Pathology & Clinical Pathology Physician1295983278
Verify Thomas McDonald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A149938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Thomas McDonald among 131 clinical pathology/laboratory medicine physician records in California
Thomas McDonald, MD is one of 131 clinical pathology/laboratory medicine physician records with a practice address in California. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 76% of them.
- NPI issued2014 · 76% of these records are older, 21% newer
- In a Medicare fileNo · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 31% of these records are
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0105X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology/Laboratory Medicine Physician providers in California
There are 131 clinical pathology/laboratory medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 131 in California → Every provider in Valencia → Clinical Pathology/Laboratory Medicine Physician nationwide →
The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes
- He Yang, PHDValencia, CA 913541417509266
- Mrugesh Shah, M.D.Thousand Oaks, CA 913601720208499
- Pogos MartinyanWestlake Village, CA 913621932624145
- Seunghyug Kwon, MD, MPHWest Hills, CA 913041578914669
- Ji Yeon Kim, MD, MPHNorth Hollywood, CA 916051003011677
- Thomas Bruice, M.D., PH.D.Carlsbad, CA 920111700326576
- William Paxton, M.D.Encinits, CA 920241356566061
- Ryan Austin, M.D.La Jolla, CA 920371235470014
Common questions
What is Thomas McDonald, MD's NPI number?
Thomas McDonald, MD's National Provider Identifier (NPI) is 1407265903, issued on Aug 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Thomas McDonald, MD located?
The NPPES record lists a practice address at 27027 Tourney RD, Valencia, CA, 91355. Phone: (661) 799-6704. Providers update this record themselves, so call before visiting.
How can I verify Thomas McDonald, MD's license?
NPPES lists California license number A149938, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.