Chetan Mittal, MD
Internal Medicine, Gastroenterology (MD) with Ascension Medical Group-Southeast Wisconsin Inc and 1 other group, practicing in Milwaukee, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $371,099 for 1,124 claims, against $108,664 paid for services in 2024. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $235.87 in all, mostly food and beverage. Lists Ascension Se Wisconsin Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1407140015 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 1, 2011 |
| Last updated in NPPES | Jan 26, 2026 |
| Certified by provider | Jan 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 77677-20 | WI |
| Internal Medicine, Gastroenterology | 207RG0100X | 036.146217 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 01082579A | IN |
| Internal Medicine, Gastroenterology | 207RG0100X | DR.0055055 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 445 |
|---|---|
| Services billed | 1,153 across 53 procedure codes |
| Paid by Medicare | $108,664 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,124 · 1,710 30-day fills |
|---|---|
| Patients | 585 |
| Total drug cost | $371,099 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
- Gi Associates LLCMilwaukee, WI · 55 clinicians
Hospital affiliations
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Aurora Lakeland Medical CenterElkhorn, WI
- Aurora Memorial Hospital BurlingtonBurlington, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
- West Allis Memorial HospitalWest Allis, WI
Industry payments (Open Payments)
- 2025$235.87 · 3 payments from 2 companies
- 2024$644.44 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $124.58 | 1 |
| Cook Medical LLC | $111.29 | 2 |
What the 2025 payments were for
- Food and Beverage$235.87 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Wisconsin →