John D. Baer, MD
Family Medicine Physician · Tremont, IL
John D. Baer, MD is a family medicine physician with a practice address in Tremont, Illinois, and NPI 1255331773, issued on Jul 27, 2005. Check the license (Illinois 036091585, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John D. Baer
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036091585 IL
Self-reported in NPPES; status is on the state search - Practice location
- 105 S Locust St, Tremont, IL 61568
- Phone
- (309) 925-2961
- Enumerated
- Jul 27, 2005
- Record last updated
- May 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (309) 925-4221
- Medicaid ID
- 036091585 IL
- Medicare enrollment
- Enrolled (PECOS I20050805000421); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1993
- Entity
- Type 1 · individual
Also registered at 105 S Locust St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Baer, MDFamily Medicine Physician1578563094
- Hobart Blair, MDFamily Medicine Physician1093715518
- Diane Krall, MDFamily Medicine Physician1144215708
- John Lovell, MDFamily Medicine Physician1366442881
- Tressa Schneider, APNNurse Practitioner1477009249
Verify John D. Baer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036091585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average family medicine physician in 2024
5,894 Medicare Part D claims for 558 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 87 claims were for opioids.
Most prescribed
- Atorvastatin Calcium352 claims
- Lisinopril284 claims
- Amlodipine Besylate255 claims
- Levothyroxine Sodium224 claims
- Metoprolol Succinate208 claims
- Eliquis203 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.
Industry payments in 2024: $208.67
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Osf Multi-Specialty GroupTremont, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 family medicine physician records list a practice address in Tremont
They are 5 of the 31 NPPES records with a practice address in Tremont, and 6,215 family medicine physician records in Illinois.
All 5 in Tremont → All 6,215 in Illinois → Every provider in Tremont →
Other family medicine physician records in Illinois
- Jon Aagaard, MDWheaton, IL1750496923
- Napoleon Abando, MDWoodstock, IL1003972753
- Nikka Abaricia, MDChicago, IL1790366342
- Mohemmed AbbasChicago, IL1609612522
- Muhammad AbbasAlton, IL1588341556
- Syed AbbasWest Dundee, IL1972733103
- Stefanie AbbottMaywood, IL1861137457
- Roann Abdeladl, MDEvanston, IL1437087103
- Ahmed Abdelkader, MDChicago, IL1659104230
- Guy Abderholden, MDAntioch, IL1902899792
Common questions
What is John D. Baer, MD's NPI number?
John D. Baer, MD's National Provider Identifier (NPI) is 1255331773, issued on Jul 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John D. Baer, MD located?
The NPPES record lists a practice address at 105 S Locust St, Tremont, IL, 61568. Phone: (309) 925-2961. Providers update this record themselves, so call before visiting.
How can I verify John D. Baer, MD's license?
NPPES lists Illinois license number 036091585, as entered by the provider. 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 John D. Baer, MD prescribe under Medicare Part D?
In 2024, John D. Baer, MD had 5,894 Medicare Part D claims for 558 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.