Thomas Petrin
Internal Medicine Physician · Indianapolis, IN
Thomas Petrin is an internal medicine physician with a practice address in Indianapolis, Indiana, and NPI 1346263712, issued on Jul 25, 2006. Check the license (Indiana 01024966A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Thomas Petrin
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01024966A IN
Self-reported in NPPES; status is on the state search - Practice location
- 11911 N. Meridian, Indianapolis, IN 46032
- Phone
- (317) 621-6800
- Enumerated
- Jul 25, 2006
- Record last updated
- Nov 1, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Verify Thomas Petrin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01024966ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
13 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Thomas Petrin among 2,109 internal medicine physician records in Indiana
Thomas Petrin is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2007 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
699 internal medicine physician records list a practice address in Indianapolis
They are 699 of the 30,493 NPPES records with a practice address in Indianapolis, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Indianapolis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Linda Abels, MDCarmel, IN 460321396718292
- Karen Adkins, MDCarmel, IN 460321467435792
- Gary Ayres, MDCarmel, IN 460321962475574
- Craig Cieciura, MDCarmel, IN 460321265406458
- Stephen Coulson, M.D.Carmel, IN 460321841292778
- Geraldine Darroca, MDCarmel, IN 460321164495644
- Barry Freeman, M.D.Carmel, IN 460321841285426
- Thomas Hutchinson, M.D.Carmel, IN 460321073588893
Common questions
What is Thomas Petrin's NPI number?
Thomas Petrin's National Provider Identifier (NPI) is 1346263712, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Petrin located?
The NPPES record lists a practice address at 11911 N. Meridian, Indianapolis, IN, 46032. Phone: (317) 621-6800. Providers update this record themselves, so call before visiting.
How can I verify Thomas Petrin's license?
NPPES lists Indiana license number 01024966A, 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 Thomas Petrin prescribe under Medicare Part D?
In 2024, Thomas Petrin had 13 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.