Jeffrey Michael Thomas, P.A.
Physician Assistant · Oakland, CA
Jeffrey Michael Thomas, P.A. is a physician assistant with a practice address in Oakland, California, and NPI 1437289832, issued on Mar 6, 2007. Check the license (California PA18396, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Michael Thomas
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA18396 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Hawthorne Ave, Oakland, CA 94609
- Phone
- (866) 325-0282
- Enumerated
- Mar 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- PENDING CA
- Medicare enrollment
- Enrolled (PECOS I20070424000223); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 350 Hawthorne Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Olga Anikina, MDHospitalist Physician1619110954
Verify Jeffrey Michael Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average physician assistant in 2024
350 Medicare Part D claims for 131 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen47 claims
- Cephalexin35 claims
- Sulfamethoxazole-Trimethoprim24 claims
- Amlodipine Besylate21 claims
- Ibuprofen16 claims
- Amoxicillin-Clavulanate Potass13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Vituity-California Observation Services PCRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Michael Thomas among 14,451 physician assistant records in California
Jeffrey Michael Thomas, P.A. 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2005 · median 2018 among the 7,214 with a school on file
- Record last updated2007 · 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).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Oakland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Joel Ambrosio, PA-COakland, CA 946091154628105
- Miranda Bassilios, PA COakland, CA 946091609831114
- Erin Cava, PA-C, RDOakland, CA 946091225351620
- Cheryl Eldridge, PA-COakland, CA 946091336246438
- Ronald Grant, P.A.Oakland, CA 946091740245190
- Jane Hysen, PAOakland, CA 946091538133731
- Christa Kong, P.A.Oakland, CA 946091487813697
- Alexandra Mead, PA-COakland, CA 946091730286832
Common questions
What is Jeffrey Michael Thomas, P.A.'s NPI number?
Jeffrey Michael Thomas, P.A.'s National Provider Identifier (NPI) is 1437289832, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Michael Thomas, P.A. located?
The NPPES record lists a practice address at 350 Hawthorne Ave, Oakland, CA, 94609. Phone: (866) 325-0282. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Michael Thomas, P.A.'s license?
NPPES lists California license number PA18396, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jeffrey Michael Thomas, P.A. prescribe under Medicare Part D?
In 2024, Jeffrey Michael Thomas, P.A. had 350 Medicare Part D claims for 131 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Jeffrey Michael Thomas, P.A.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.