Registry data as of Aug 27, 2026

William Koeppel, D.O.

Family Medicine Physician · Ellisville, MO

William Koeppel, D.O. is a family medicine physician with a practice address in Ellisville, Missouri, and NPI 1194162883, issued on Jun 4, 2013. Check the license (Missouri 2022017094, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1194162883
Name
William Koeppel
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
2022017094 MO
076204 GA
Self-reported in NPPES; status is on the state search
Practice location
225 Clarkson RD, Ellisville, MO 63011
Phone
(706) 865-4001
Enumerated
Jun 4, 2013
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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Also registered at 225 Clarkson RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clarissa Allen, MDFamily Medicine Physician1952513541
  2. Bryan Duepner, DOGeneral Practice Physician1861912826
  3. Eileen Holt, NPFamily Nurse Practitioner1629439054
  4. Barbara O'Brien, DOAdult Medicine Physician1437211794
  5. Cynthia Poelker, M.D.Family Medicine Physician1275735458
  6. Sarah Renfert, M.D.Emergency Medicine Physician1932171600

Verify William Koeppel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2022017094
    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 Missouri 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.

41% more Medicare Part D claims than the average family medicine physician in 2024

4,945 Medicare Part D claims for 504 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 175 claims were for opioids.

  1. William Koeppel4,945
  2. Specialty average3,519

Most prescribed

  1. Amlodipine Besylate245 claims
  2. Atorvastatin Calcium224 claims
  3. Levothyroxine Sodium198 claims
  4. Losartan Potassium190 claims
  5. Lisinopril161 claims
  6. Rosuvastatin Calcium117 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: $87.55

5 payments, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Koeppel$87.55
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. Physical Therapy Spine And Sports Medicine LLCBallwin, MO
  2. Westglen Family Physicians LLCEllisville, MO

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

5 family medicine physician records list a Ellisville practice address

They are 5 of the 288 NPPES records with a Ellisville practice address, and 2,920 family medicine physician records in Missouri.

Other family medicine physician records in Missouri

  1. Mohammad Abbas, DOKirksville, MO1518537679
  2. Karam Abdelmasih, MD, APFestus, MO1093288508
  3. Afsheen Abdullah Patel, MDLees Summit, MO1598070377
  4. Christopher Abercrombie, DOArnold, MO1093787558
  5. Avery Abernathy, D.O.Kansas City, MO1013207836
  6. Kristia Abernathy, MDSaint Louis, MO1710545405
  7. Grant Abkemeier, DOColumbia, MO1922933712
  8. Beatrice Abraham, DOLebanon, MO1861056004
  9. John Abraham, M.D.Springfield, MO1760595136
  10. Samer Abu-Amer, M.D.Independence, MO1154880474

Common questions

What is William Koeppel, D.O.'s NPI number?

William Koeppel, D.O.'s National Provider Identifier (NPI) is 1194162883, issued on Jun 4, 2013. An NPI identifies a provider in billing; it is not a license.

Where is William Koeppel, D.O. located?

The NPPES record lists a practice address at 225 Clarkson RD, Ellisville, MO, 63011. Phone: (706) 865-4001. Providers update this record themselves, so call before visiting.

How can I verify William Koeppel, D.O.'s license?

NPPES lists Missouri license number 2022017094, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Koeppel, D.O. prescribe under Medicare Part D?

In 2024, William Koeppel, D.O. had 4,945 Medicare Part D claims for 504 beneficiaries; the average among family medicine physician prescribers was 3,519. 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.