Jeffrey Springer Thomas, M.D.
Internal Medicine Physician · Chico, CA
Jeffrey Springer Thomas, M.D. is an internal medicine physician with a practice address in Chico, California, and NPI 1174650691, issued on Feb 28, 2007. Check the license (California G85278, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Springer Thomas
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G85278 CA
Self-reported in NPPES; status is on the state search - Practice location
- Student Health Services, Chico, CA 95929
- Phone
- (530) 898-5241
- Enumerated
- Feb 28, 2007
- Record last updated
- Jul 31, 2023
- Fax
- (530) 898-4057
- Medicare enrollment
- Enrolled (PECOS I20110504000792); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Jeffrey Springer Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
291 Medicare Part D claims for 113 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium27 claims
- Alendronate Sodium14 claims
- Atorvastatin Calcium14 claims
- Metformin Hcl14 claims
- Prednisone12 claims
- Spironolactone12 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): 76.7 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
- Enloe Medical CenterChico, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Springer Thomas among 17,696 internal medicine physician records in California
Jeffrey Springer Thomas, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Chico → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Carter, MDChico, CA 959281699838094
- Jeffrey Carlson, D.O.Chico, CA 959261750642849
- Marytere Carrasquillo Navarro, MDChico, CA 959261851751408
- Erika ClarkChico, CA 959261083292015
- Barry Furst, MDChico, CA 959261295863462
- Ethelwoldo Guerrero, MDColusa, CA 959321235155318
- Joanna HrabiaChico, CA 959261063075448
- Mehrdad Karimi, M.D.Chico, CA 959261528694403
Common questions
What is Jeffrey Springer Thomas, M.D.'s NPI number?
Jeffrey Springer Thomas, M.D.'s National Provider Identifier (NPI) is 1174650691, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Springer Thomas, M.D. located?
The NPPES record lists a practice address at Student Health Services, Chico, CA, 95929. Phone: (530) 898-5241. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Springer Thomas, M.D.'s license?
NPPES lists California license number G85278, 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.
How much does Jeffrey Springer Thomas, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Springer Thomas, M.D. had 291 Medicare Part D claims for 113 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jeffrey Springer Thomas, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.7 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.