Thomas Nowak, MD
NPI 1891876785 · Gastroenterology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Nowak, MD is a Gastroenterology Physician provider in Indianapolis, IN (NPI 1891876785).
Provider details
- NPI number
- 1891876785
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01038818A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
144 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $61 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $90 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 19 | $228 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $115 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High Risk |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Promethazine Hcl | 187 | 42 |
| Omeprazole | 146 | 43 |
| Famotidine | 129 | 44 |
| Dronabinol | 80 | 15 |
| Linaclotidebrand: Linzess | 71 | 16 |
| Ondansetronbrand: Ondansetron Odt | 57 | 18 |
| Pantoprazole Sodium | 51 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 550 University BlvdIndianapolis, IN 46202-5149Phone: (317) 944-5000
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2025-03-22
- Certified
- 2025-03-22
Frequently asked questions
- What is Thomas Nowak's NPI number?
- Thomas Nowak's National Provider Identifier (NPI) is 1891876785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Nowak's specialty?
- Thomas Nowak is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Nowak located?
- Thomas Nowak's practice location on file with NPPES is 1701 N Senate Blvd, Indianapolis, IN 46202-1239.
- What is Thomas Nowak's phone number?
- The practice phone number listed in the NPPES registry for Thomas Nowak is (888) 484-3258.
- Does Thomas Nowak accept Medicare?
- Thomas Nowak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Nowak's NPI active?
- Yes — Thomas Nowak's NPI (1891876785) is active in the NPPES registry as of the last update on 2025-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.