Thomas Anthony Baker, M.D.
Internal Medicine Physician · Jacksonville, IL
Thomas Anthony Baker, M.D. is an internal medicine physician with a practice address in Jacksonville, Illinois, and NPI 1679744221, issued on Mar 21, 2008. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas Anthony Baker
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 105841 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2268 E Morton Ave, Jacksonville, IL 62650
- Phone
- (217) 245-1481
- Enumerated
- Mar 21, 2008
- Record last updated
- Nov 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 2268 E Morton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christy Wuellner, APRNFamily Nurse Practitioner1013320589
Verify Thomas Anthony Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
15 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Thomas Anthony Baker among 7,238 internal medicine physician records in Illinois
Thomas Anthony Baker, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Jacksonville
They are 8 of the 315 NPPES records with a practice address in Jacksonville, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Jacksonville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Coultas, M.D.Jacksonville, IL 626501902804495
- Babu Eladasari, MD,FACPJacksonville, IL 626501356393300
- Anthony Griffin, MDJacksonville, IL 626501770558603
- Edwin Mathews, DOJacksonville, IL 626501225657125
- Tal Pollak, M.D.Jacksonville, IL 626501770831158
- Chandupatla Prabhakar, MDJacksonville, IL 626501720197346
- Tara Ramsey, M.D.Jacksonville, IL 626501013980101
- Melissa Cox, M.D.Lincoln, IL 626561871699603
Common questions
What is Thomas Anthony Baker, M.D.'s NPI number?
Thomas Anthony Baker, M.D.'s National Provider Identifier (NPI) is 1679744221, issued on Mar 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Anthony Baker, M.D. located?
The NPPES record lists a practice address at 2268 E Morton Ave, Jacksonville, IL, 62650. Phone: (217) 245-1481. Providers update this record themselves, so call before visiting.
How can I verify Thomas Anthony Baker, M.D.'s license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Anthony Baker, M.D. prescribe under Medicare Part D?
In 2024, Thomas Anthony Baker, M.D. had 15 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions 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.