Marian Thomas
Physician Assistant · Colton, CA
Marian Thomas is a physician assistant with a practice address in Colton, California, and NPI 1992380828, issued on Mar 11, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marian Thomas
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 400 N Pepper Ave # 205, Colton, CA 92324
- Phone
- (909) 580-3390
- Enumerated
- Mar 11, 2021
- Record last updated
- Jul 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210806002519); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 400 N Pepper Ave # 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marian Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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 2 group practices
- American Current Care OF California A Medical CorporationTorrance, CA
- Juan C Frisancho MD IncTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marian Thomas among 14,451 physician assistant records in California
Marian Thomas is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
162 physician assistant records list a practice address in Colton
They are 162 of the 2,459 NPPES records with a practice address in Colton, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Colton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christine Bernier, P.A-CColton, CA 923241366482259
- Melissa Cornett, P.A-CColton, CA 923241154361905
- Maximillian Cruz, P.A-CColton, CA 923241538102751
- Joseph Florin, P.A-CColton, CA 923241427073162
- Lawrence Gates, P.A-CColton, CA 923241023059318
- Kristine Griffith, P.A-CColton, CA 923241174566707
- Anna Marie Lubatti, P.A-CColton, CA 923241598708661
- Thomas Manning, P.A-CColton, CA 923241538102009
Common questions
What is Marian Thomas's NPI number?
Marian Thomas's National Provider Identifier (NPI) is 1992380828, issued on Mar 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marian Thomas located?
The NPPES record lists a practice address at 400 N Pepper Ave # 205, Colton, CA, 92324. Phone: (909) 580-3390. Providers update this record themselves, so call before visiting.
How can I verify Marian Thomas's license?
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.