Michael Clanahan, MD
Hospitalist Physician · Saint Louis, MO
Michael Clanahan, MD is a hospitalist physician with a practice address in Saint Louis, Missouri, and NPI 1457707515, issued on May 9, 2016. Check the license (Missouri 2023008147, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Michael Clanahan
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 2023008147 MO
35.138738 OH
Self-reported in NPPES; status is on the state search - Practice location
- 615 S New Ballas RD Ste 1200, Saint Louis, MO 63141
- Phone
- (314) 251-2880
- Enumerated
- May 9, 2016
- Entity
- Type 1 · individual
Also registered at 615 S New Ballas RD Ste 1200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samuel Burton, M.D.Gastroenterology Physician1295181428
- Kathleen Davis, PAPhysician Assistant1881289262
- William Goldkamp, MDGastroenterology Physician1831458652
- Parul Gor, M.D.Gastroenterology Physician1750676664
- Gila Hoffman, MDGastroenterology Physician1700316718
- Catherine Howe, MDGastroenterology Physician1033573845
Verify Michael Clanahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2023008147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
31% fewer Medicare Part D claims than the average hospitalist physician in 2024
648 Medicare Part D claims for 352 beneficiaries, against an average of 940 among the 13,923 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Gavilyte-C184 claims
- Omeprazole163 claims
- Pantoprazole Sodium84 claims
- Peg 3350-Electrolyte45 claims
- Gavilyte-G27 claims
- Dicyclomine Hcl21 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: $138.80
2 payments, mostly food and beverage; the largest payer was Phathom Pharmaceuticals, Inc.. The 5,522 providers of this specialty with any payment received $807.73 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.
One hospital or facility affiliation
- Mercy Clinic Gastroenterology LLCSaint Louis, 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.
Hospitalist Physician providers in Missouri
There are 501 hospitalist physician records in Missouri.
Other hospitalist physician records in Missouri
- Mohamed Abdalaziz, MDKansas City, MO1538578075
- Ma'n Abdullah, MDColumbia, MO1598766891
- Nurelign Abebe, M.D.Rolla, MO1154587038
- Fadee Abu Al Rub, MDSt Louis, MO1790992675
- Sreenu Ada, MDSaint Louis, MO1134171200
- Abiola Adesola, MDColumbia, MO1609446731
- Jacob Adney, MDSaint Louis, MO1679199764
- Arfa AhmadColumbia, MO1548756372
- Aadil Ahmed, DOSaint Joseph, MO1528550357
- Farhan Ahmed, MDJoplin, MO1144895814
Common questions
What is Michael Clanahan, MD's NPI number?
Michael Clanahan, MD's National Provider Identifier (NPI) is 1457707515, issued on May 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Michael Clanahan, MD located?
The NPPES record lists a practice address at 615 S New Ballas RD Ste 1200, Saint Louis, MO, 63141. Phone: (314) 251-2880. Providers update this record themselves, so call before visiting.
How can I verify Michael Clanahan, MD's license?
NPPES lists Missouri license number 2023008147, 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 Michael Clanahan, MD prescribe under Medicare Part D?
In 2024, Michael Clanahan, MD had 648 Medicare Part D claims for 352 beneficiaries; the average among hospitalist physician prescribers was 940. 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.