MR. THOMAS VICTOR NOWAK MD
NPI 1891876785
Internal Medicine - Gastroenterology in Indianapolis, IN
About Mr. Thomas Victor Nowak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. THOMAS VICTOR NOWAK MD (NPI 1891876785) is an individual gastroenterology provider in Indianapolis, Indiana, licensed in Indiana (01038818A) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Indianapolis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 6
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Thomas Victor Nowak Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Nowak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 358 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health
Acute Care Hospitals · Indianapolis, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas Nowak's NPI number?
The NPI number for Thomas Nowak is 1891876785. It was assigned to this individual provider in the NPPES registry on October 18, 2006.
Where is Thomas Nowak located?
Thomas Nowak practices at 1701 N Senate Blvd, Indianapolis, IN 46202. The listed phone number is (888) 484-3258.
What is Thomas Nowak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Thomas Nowak enrolled in Medicare?
Yes. Thomas Nowak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thomas Nowak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Nowak reassigns Medicare benefits to 2 organizations: Iu Health Medical Group, LLC (Indianapolis, IN) and University Medical Diagnostic Associates, Inc. (Indianapolis, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Nowak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Nowak accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Thomas Nowak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Thomas Nowak affiliated with any hospitals?
According to CMS data, Thomas Nowak is affiliated with Indiana University Health.
When was this NPI record last updated?
The NPPES record for Thomas Nowak was last updated on March 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. Thomas Victor Nowak, MD · NPI 1891876785
Gastroenterology physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since October 18, 2006.
## Identity
- **NPI:** 1891876785 (Entity type: Individual)
- **Enumerated:** October 18, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 01038818A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1701 N SENATE BLVD, Indianapolis, IN 46202-1239
- **Phone:** (888) 484-3258
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN); University Medical Diagnostic Associates, Inc. (NPI 1861441537, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1975
## Record status
- **NPPES last updated:** March 22, 2025
- **Other identifiers:** Other 100010397 (IN); Other 000000085345 (IN); Medicaid 64042369 (KY); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1891876785) · Data from the CMS NPPES public registry.