Doctor profile · Federal record
Dr. Thomas Nowak, MD
Gastroenterology Physician (CMS: Gastroenterology) · Indianapolis, IN
- NPI 1891876785
- Accepts Medicare
- 51 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1701 N Senate Blvd
Indianapolis, IN 462021239
(888) 484-3258 - Additional location
-
550 University Blvd
Indianapolis, IN 462025149
(317) 944-5000 - Mailing address
-
250 N Shadeland Ave
Indianapolis, IN 462194959
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 22, 2025
- Year of graduation
- 1975 — 51 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Indiana #01038818A
- Medicaid (2)
- KY #64042369 · IN #100176050
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891876785. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
136
Distinct HCPCS
5
Medicare allowed
$15,225
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 35 | 26 | $81 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 33 | 29 | $60 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 27 | 27 | $225 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 20 | $89 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 15 | $134 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 73. This provider delivers 1.9× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ardelyx, Inc. | 1 | $14.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
754
Patients
233
Total drug cost
$725,591
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Promethazine Hcl | Generic | 123 | 30 | $8,547 |
| Famotidine | Generic | 98 | 32 | $3,123 |
| Omeprazole | Generic | 97 | 33 | $1,933 |
| Dronabinol | Generic | 87 | 20 | $22,709 |
| Pantoprazole Sodium | Generic | 68 | 27 | $1,458 |
| Linzess (Linaclotide) | Brand | 54 | 13 | $54,922 |
| Ondansetron Odt (Ondansetron) | Brand | 50 | 15 | $5,239 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 37 | 37 | $627 |
| Dicyclomine Hcl | Generic | 27 | 0 | $1,188 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 26 | 26 | $580 |
Frequently asked questions
What is Dr. Thomas Nowak's medical specialty?
Dr. Thomas Nowak practices Gastroenterology Physician in Indianapolis, IN.
Where does Dr. Thomas Nowak practice?
Dr. Thomas Nowak practices at 1701 N Senate Blvd, Indianapolis, IN 462021239. Office phone: 8884843258.
What is Dr. Thomas Nowak's NPI?
Dr. Thomas Nowak's National Provider Identifier (NPI) is 1891876785, issued by NPPES.
Does Dr. Thomas Nowak accept Medicare assignment?
Yes. Dr. Thomas Nowak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Nowak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.