NPPES file of Aug 9, 2026

Donald H. Buser, MD

Family Medicine Physician · Belleville, IL

Donald H. Buser, MD is a family medicine physician with a practice address in Belleville, Illinois, and NPI 1548531320, issued on Jan 25, 2012. Check the license (Illinois 036-039215, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548531320
Name
Donald H. Buser
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036-039215 IL
Self-reported in NPPES; status is on the state search
Practice location
116 S Fairway Dr, Belleville, IL 62223
Phone
(618) 397-0521
Enumerated
Jan 25, 2012
Record last updated
Jan 25, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Donald H. Buser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-039215
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

26 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Donald Buser26
  2. Specialty average3,544

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.

Donald H. Buser among 6,215 family medicine physician records in Illinois

Donald H. Buser, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 61% of them.

  • NPI issued2012 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2012 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 family medicine physician records list a practice address in Belleville

They are 36 of the 1,404 NPPES records with a practice address in Belleville, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Mary Agne, M.D.Belleville, IL 622231326147935
  2. David Lebeau, MDBelleville, IL 622231982707857
  3. Adele Roth, M.D.Belleville, IL 622231750480356
  4. Donald Adams, M.D.Belleville, IL 622211508842352
  5. Hattie Alexander, D.O.Scott Afb, IL 622251275795270
  6. Trevor Brue, DOScott Afb, IL 622251265920326
  7. Jessica Colanese, MDScott Afb, IL 622251720341761
  8. Emily Dahm, MDShiloh, IL 622211326624024

Common questions

What is Donald H. Buser, MD's NPI number?

Donald H. Buser, MD's National Provider Identifier (NPI) is 1548531320, issued on Jan 25, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Donald H. Buser, MD located?

The NPPES record lists a practice address at 116 S Fairway Dr, Belleville, IL, 62223. Phone: (618) 397-0521. Providers update this record themselves, so call before visiting.

How can I verify Donald H. Buser, MD's license?

NPPES lists Illinois license number 036-039215, 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 Donald H. Buser, MD prescribe under Medicare Part D?

In 2024, Donald H. Buser, MD had 26 Medicare Part D claims; 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.