Tom Thamsopit, O.D.
Optometrist · Lancaster, CA
Tom Thamsopit, O.D. is an optometrist with a practice address in Lancaster, California, and NPI 1780068726, issued on Jul 18, 2015. Check the license (California 15377, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tom Thamsopit
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 15377 CA
Self-reported in NPPES; status is on the state search - Practice location
- 43767 15TH St W, Lancaster, CA 93534
- Phone
- (661) 524-0085
- Enumerated
- Jul 18, 2015
- Record last updated
- Oct 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (661) 726-2898
- Medicare enrollment
- Enrolled (PECOS I20151014000951); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Tom Thamsopit in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 15377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- High Desert Medical CorporationLancaster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tom Thamsopit among 8,308 optometrist records in California
Tom Thamsopit, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 71% of them.
- NPI issued2015 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2015 · median 2008 among the 3,573 with a school on file
- Record last updated2015 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 optometrist records list a practice address in Lancaster
They are 37 of the 4,273 NPPES records with a practice address in Lancaster, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Lancaster → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jeffrey Clark, ODLancaster, CA 935341053574657
- Michael Holub, ODLancaster, CA 935341568432730
- Steven Israel, OPTOMETRISTLancaster, CA 935341689724585
- Melanie Jedrusiak, O.D.Lancaster, CA 935341700071834
- Josephine Lai, O.D.Lancaster, CA 935341225068836
- Jenny Le, O.D.Lancaster, CA 935341588998512
- Jerry Martin, O.D.Lancaster, CA 935341679543821
- Mark Mewborne, ODLancaster, CA 935341396880787
Common questions
What is Tom Thamsopit, O.D.'s NPI number?
Tom Thamsopit, O.D.'s National Provider Identifier (NPI) is 1780068726, issued on Jul 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tom Thamsopit, O.D. located?
The NPPES record lists a practice address at 43767 15TH St W, Lancaster, CA, 93534. Phone: (661) 524-0085. Providers update this record themselves, so call before visiting.
How can I verify Tom Thamsopit, O.D.'s license?
NPPES lists California license number 15377, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.