Thomas Baker, M.D.
Internal Medicine Physician · Jacksonville, IL
Thomas 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 Baker
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 2268 E Morton Ave, Jacksonville, IL 62650
- Phone
- (217) 245-1481
- Enumerated
- Mar 21, 2008
- Entity
- Type 1 · individual
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 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
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
15 Medicare Part D claims, against an average of 2,785 among the 127,794 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.
6 internal medicine physician records list a Jacksonville practice address
They are 6 of the 315 NPPES records with a Jacksonville practice address, and 8,522 internal medicine physician records in Illinois.
All 6 in Jacksonville → All 8,522 in Illinois → Every provider in Jacksonville →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Thomas Baker, M.D.'s NPI number?
Thomas 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 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 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 Baker, M.D. prescribe under Medicare Part D?
In 2024, Thomas Baker, M.D. had 15 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.