Charles R. Buchanan, M.D.
Family Medicine Physician · Mahomet, IL
Charles R. Buchanan, M.D. is a family medicine physician with a practice address in Mahomet, Illinois, and NPI 1184631632, issued on Aug 1, 2006. Check the license (Illinois 036-107702, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Charles R. Buchanan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036-107702 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Commercial Dr, Mahomet, IL 61853
- Phone
- (217) 586-6600
- Enumerated
- Aug 1, 2006
- Record last updated
- Jul 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 036107702 1 IL
- Entity
- Type 1 · individual
Also registered at 1001 Commercial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Onachukwu Osaji, M.D.Family Medicine Physician1447269113
- Michael Palazzolo, M.D.Pediatrics Physician1427065028
- Carla Samuel-Parks, MDFamily Medicine Physician1326245655
Verify Charles R. Buchanan 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 036-107702Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
145 Medicare Part D claims for 22 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril18 claims
- Finasteride12 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.
14 family medicine physician records list a practice address in Mahomet
They are 14 of the 139 NPPES records with a practice address in Mahomet, and 6,215 family medicine physician records in Illinois.
All 14 in Mahomet → All 6,215 in Illinois → Every provider in Mahomet →
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 Charles R. Buchanan, M.D.'s NPI number?
Charles R. Buchanan, M.D.'s National Provider Identifier (NPI) is 1184631632, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles R. Buchanan, M.D. located?
The NPPES record lists a practice address at 1001 Commercial Dr, Mahomet, IL, 61853. Phone: (217) 586-6600. Providers update this record themselves, so call before visiting.
How can I verify Charles R. Buchanan, M.D.'s license?
NPPES lists Illinois license number 036-107702, 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 Charles R. Buchanan, M.D. prescribe under Medicare Part D?
In 2024, Charles R. Buchanan, M.D. had 145 Medicare Part D claims for 22 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.