Registry data as of Aug 27, 2026

Thomas Prostko, M.D.

Gastroenterology Physician · Easley, SC

Thomas Prostko, M.D. is a gastroenterology physician with a practice address in Easley, South Carolina, and NPI 1417928243, issued on Jan 30, 2006. Check the license (South Carolina 13970, as entered in NPPES) on the South Carolina Board of Medical Examiners; 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
1417928243
Name
Thomas Prostko
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
13970 SC
Self-reported in NPPES; status is on the state search
Practice location
403 Hillcrest Dr, Easley, SC 29640
Phone
(864) 442-0771
Enumerated
Jan 30, 2006
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 403 Hillcrest Dr

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

  1. Johnny Cox, MDSurgery Physician1376570234
  2. Joshua Morowitz, MDVascular Surgery Physician1336101088
  3. Herbert Squires, M.D.Obstetrics & Gynecology Physician1366472615
  4. John Warren, M.D.Gynecology Physician1699965715

Verify Thomas Prostko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 13970
    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 South Carolina 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.

95% fewer Medicare Part D claims than the average gastroenterology physician in 2024

40 Medicare Part D claims, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D.

  1. Thomas Prostko40
  2. Specialty average848

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.

One hospital or facility affiliation

  1. Cannon Memorial HospitalPickens, SC · Acute Care Hospitals

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.

Gastroenterology Physician providers in South Carolina

There are 254 gastroenterology physician records in South Carolina.

Other gastroenterology physician records in South Carolina

  1. Sebastian Abadie, M.D.Murrells Inlet, SC1407875586
  2. Judd Adelman, MDNorth Charleston, SC1912940131
  3. Olayinka Afolabi, M.D.Florence, SC1730526153
  4. Amit Agrawal, MDCharleston, SC1003906017
  5. Amir Ahmed, M.D.Columbia, SC1205824810
  6. Mitchell Allen, MDSpartanburg, SC1861463671
  7. Victor Amato, MDLancaster, SC1053325076
  8. Vimal Amin, MDLancaster, SC1366464497
  9. William Anderson, MDCharleston, SC1164520847
  10. Floyd Angus, MDSumter, SC1124091137

Common questions

What is Thomas Prostko, M.D.'s NPI number?

Thomas Prostko, M.D.'s National Provider Identifier (NPI) is 1417928243, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Prostko, M.D. located?

The NPPES record lists a practice address at 403 Hillcrest Dr, Easley, SC, 29640. Phone: (864) 442-0771. Providers update this record themselves, so call before visiting.

How can I verify Thomas Prostko, M.D.'s license?

NPPES lists South Carolina license number 13970, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Prostko, M.D. prescribe under Medicare Part D?

In 2024, Thomas Prostko, M.D. had 40 Medicare Part D claims; the average among gastroenterology physician prescribers was 848. 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.