NPPES file of Aug 9, 2026

Sean Mark Flannagan, MD

Hospitalist Physician · Vincennes, IN

Sean Mark Flannagan, MD is a hospitalist physician with a practice address in Vincennes, Indiana, and NPI 1215632005, issued on Apr 3, 2023. Check the license (Indiana 01100689A, as entered in NPPES) on the Medical Licensing Board of Indiana; 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
1215632005
Name
Sean Mark Flannagan
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
01100689A IN
Self-reported in NPPES; status is on the state search
Practice location
520 S 7TH St, Vincennes, IN 47591
Phone
(812) 485-4422
Enumerated
Apr 3, 2023
Record last updated
Jul 6, 2026
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 520 S 7TH St

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

  1. Andrews AdjapongAnesthesiology Physician1609402684
  2. Ashley AkinPhysical Therapist1912551896
  3. Abdulrahman Al Jashaam, MDStudent in an Organized Health Care Education/Training Program1538003991
  4. Haitham Al-Okk, MDHematology & Oncology Physician1891891180
  5. Melquiadito Allego, M.D.Diagnostic Radiology Physician1760593040
  6. Yasser Almalky, MB BCH BAOStudent in an Organized Health Care Education/Training Program1427627439

Verify Sean Mark Flannagan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01100689A
    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 Indiana license search

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38% more Medicare Part D claims than the average hospitalist physician in 2024

721 Medicare Part D claims for 110 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Sean Flannagan721
  2. Specialty average521

Most prescribed

  1. Atorvastatin Calcium56 claims
  2. Metoprolol Succinate35 claims
  3. Lisinopril32 claims
  4. Gabapentin30 claims
  5. Carvedilol23 claims
  6. Amlodipine Besylate22 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.

Sean Mark Flannagan among 453 hospitalist physician records in Indiana

Sean Mark Flannagan, MD is one of 453 hospitalist physician records with a practice address in Indiana. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileNo · 84% of these records are
  • Record last updated2026 · 31% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Indiana

There are 453 hospitalist physician records in Indiana.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Rhonda Eubanks, MDVincennes, IN 475911235177338
  2. Charles LambertonVincennes, IN 475911184329625
  3. Hassan Elhewan, M.D.Tell City, IN 475861457668139
  4. Karla Kitch, MDNewburgh, IN 476301942260138
  5. Maria Ranola, MDNewburgh, IN 476301194703959
  6. Joseph El-Houjairy, MDJasper, IN 475461932231388
  7. David Rizk, MDJasper, IN 475461558529198
  8. Herman Blanton, M.D.Evansville, IN 477101255391413

Common questions

What is Sean Mark Flannagan, MD's NPI number?

Sean Mark Flannagan, MD's National Provider Identifier (NPI) is 1215632005, issued on Apr 3, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Sean Mark Flannagan, MD located?

The NPPES record lists a practice address at 520 S 7TH St, Vincennes, IN, 47591. Phone: (812) 485-4422. Providers update this record themselves, so call before visiting.

How can I verify Sean Mark Flannagan, MD's license?

NPPES lists Indiana license number 01100689A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sean Mark Flannagan, MD prescribe under Medicare Part D?

In 2024, Sean Mark Flannagan, MD had 721 Medicare Part D claims for 110 beneficiaries; the average among hospitalist physician prescribers was 521. 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.