NPPES file of Aug 9, 2026

Thomas Victor Nowak, MD

Gastroenterology Physician · Indianapolis, IN

Thomas Victor Nowak, MD is a gastroenterology physician with a practice address in Indianapolis, Indiana, and NPI 1891876785, issued on Oct 18, 2006. Check the license (Indiana 01038818A, 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
1891876785
Name
Thomas Victor Nowak
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
01038818A IN
Self-reported in NPPES; status is on the state search
Practice location
1701 N Senate Blvd, Indianapolis, IN 46202
Phone
(888) 484-3258
Enumerated
Oct 18, 2006
Record last updated
Mar 22, 2025
Medicaid IDs
64042369 KY
100176050 IN
Medicare enrollment
Enrolled (PECOS I20070503000160); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1975
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1701 N Senate Blvd

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

  1. Hayder Abbood, MDInternal Medicine Physician1922448141
  2. Khaled Abdeljawad, M.DGastroenterology Physician1285947416
  3. Stuart Abramson, MDNephrology Physician1821097148
  4. Jennifer Acciani, M.D.Emergency Medicine Physician1235333998
  5. Yonas Adal, MDAnesthesiology Physician1487815395
  6. David Adams, M.D.Anesthesiology Physician1588608152

Verify Thomas Victor Nowak 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 01038818A
    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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47% more Medicare Part D claims than the average gastroenterology physician in 2024

1,194 Medicare Part D claims for 254 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Thomas Nowak1,194
  2. Specialty average811

Most prescribed

  1. Promethazine Hcl187 claims
  2. Omeprazole146 claims
  3. Famotidine129 claims
  4. Dronabinol80 claims
  5. Linzess71 claims
  6. Ondansetron Odt57 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: $14.98

1 payment: food and beverage; the largest payer was Ardelyx, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Nowak$14.98
  2. Specialty average$5,015.95

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

Bills Medicare through one group practice

  1. IU Health Medical Group LLCIndianapolis, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas Victor Nowak among 372 gastroenterology physician records in Indiana

Thomas Victor Nowak, MD is one of 372 gastroenterology physician records with a practice address in Indiana. 84% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 47% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1975 · median 2001 among the 272 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Indiana

There are 372 gastroenterology physician records in Indiana.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Mohammad Al-Haddad, MDIndianapolis, IN 462021275516239
  2. Naga Chalasani, MDIndianapolis, IN 462021588628002
  3. David Crabb, M.D.Indianapolis, IN 462021649234600
  4. John Dewitt, M.D.Indianapolis, IN 462021346204401
  5. Evan Fogel, M.D.Indianapolis, IN 462021164486684
  6. Marwan Ghabril, M.D.Indianapolis, IN 462021366431231
  7. Debra Helper, M.D.Indianapolis, IN 462021093779589
  8. Thomas Imperiale, M.D.Indianapolis, IN 462021427012582

Common questions

What is Thomas Victor Nowak, MD's NPI number?

Thomas Victor Nowak, MD's National Provider Identifier (NPI) is 1891876785, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Victor Nowak, MD located?

The NPPES record lists a practice address at 1701 N Senate Blvd, Indianapolis, IN, 46202. Phone: (888) 484-3258. Providers update this record themselves, so call before visiting.

How can I verify Thomas Victor Nowak, MD's license?

NPPES lists Indiana license number 01038818A, 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 Victor Nowak, MD prescribe under Medicare Part D?

In 2024, Thomas Victor Nowak, MD had 1,194 Medicare Part D claims for 254 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.