Mary A. Kovalak, MD
NPI 1003861030ActiveIndividual· Internal Medicine, Gastroenterology· Englewood, CO
Internal Medicine, Gastroenterology (MD) in Englewood, Colorado, trained at Michigan State University College of Human Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $85,079 for 347 claims, against $25,894 paid for services in 2024. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $331.78 in all, mostly food and beverage.
Overview
| NPI | 1003861030 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 25, 2006 |
| Last updated in NPPES | Aug 24, 2023 |
| Certified by provider | Aug 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 48189 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 270 across 26 procedure codes |
| Paid by Medicare | $25,894 |
Part D prescriptions in 2024
| Prescriptions (claims) | 347 · 550 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $85,079 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- South Denver Gastroenterology, P.CLone Tree, CO · 54 clinicians
Hospital affiliation
- Hca-Healthone DBA Swedish Medical CenterEnglewood, CO
Industry payments (Open Payments)
- 2025$331.78 · 7 payments from 5 companies
- 2024$362.45 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $152.65 | 3 |
| Novo Nordisk Inc | $119.55 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $22.41 | 1 |
| Madrigal Pharmaceuticals | $22.16 | 1 |
| Regeneron Healthcare Solutions, Inc. | $15.01 | 1 |
What the 2025 payments were for
- Food and Beverage$331.78 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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