Kevin D. Oestmann, MD
Family Medicine Physician · Herrin, IL
Kevin D. Oestmann, MD is a family medicine physician with a practice address in Herrin, Illinois, and NPI 1902913908, issued on Aug 24, 2006. Check the license (Illinois 036074512, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kevin D. Oestmann
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036074512 IL
Self-reported in NPPES; status is on the state search - Practice location
- 405 Rushing Drive, Herrin, IL 62948
- Phone
- (618) 993-3300
- Enumerated
- Aug 24, 2006
- Record last updated
- Sep 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (618) 993-0262
- Medicaid ID
- 036074512 IL
- Medicare enrollment
- Enrolled (PECOS I20100130000098); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 405 Rushing Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Smith, MDFamily Medicine Physician1043327141
- Michael Workman, MDFamily Medicine Physician1184731267
Verify Kevin D. Oestmann 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 036074512Check 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% more Medicare Part D claims than the average family medicine physician in 2024
7,069 Medicare Part D claims for 341 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 298 claims were for opioids.
Most prescribed
- Lisinopril344 claims
- Atorvastatin Calcium231 claims
- Amlodipine Besylate192 claims
- Metoprolol Succinate189 claims
- Levothyroxine Sodium186 claims
- Omeprazole172 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: $65.38
4 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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 2 group practices
- Logan Primary Care Service Corp.Herrin, IL
- Southern Illinois Medical Services NfpHerrin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin D. Oestmann among 6,215 family medicine physician records in Illinois
Kevin D. Oestmann, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1985 · median 2006 among the 3,714 with a school on file
- Record last updated2021 · 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).
9 family medicine physician records list a practice address in Herrin
They are 9 of the 419 NPPES records with a practice address in Herrin, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Herrin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Russell Brown, D.O.Herrin, IL 629481891809810
- Awais Butt, M.D.Herrin, IL 629481942560172
- Mark Korte, M.D.Herrin, IL 629481821102849
- Karan Mehta, MDHerrin, IL 629481467184622
- Marshall Short, MDHerrin, IL 629481174722441
- Mark Smith, MDHerrin, IL 629481043327141
- Alan Wilson, M.D.Herrin, IL 629481386774388
- Michael Workman, MDHerrin, IL 629481184731267
Common questions
What is Kevin D. Oestmann, MD's NPI number?
Kevin D. Oestmann, MD's National Provider Identifier (NPI) is 1902913908, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kevin D. Oestmann, MD located?
The NPPES record lists a practice address at 405 Rushing Drive, Herrin, IL, 62948. Phone: (618) 993-3300. Providers update this record themselves, so call before visiting.
How can I verify Kevin D. Oestmann, MD's license?
NPPES lists Illinois license number 036074512, 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 Kevin D. Oestmann, MD prescribe under Medicare Part D?
In 2024, Kevin D. Oestmann, MD had 7,069 Medicare Part D claims for 341 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.