Mary Grace Renfrow, DNP, CRNP
NPI 1801372800ActiveIndividual· Nurse Practitioner· Towson, MD
Nurse Practitioner (DNP, CRNP) with Chesapeake Digestive Associates, PC, practicing in Towson, Maryland. Medicare paid $6,368 for services to 67 patients in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $337.72 in all, mostly food and beverage. Lists University of MD St Joseph Medical Center as a hospital affiliation.
Overview
| NPI | 1801372800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, CRNP |
| Sole proprietor | No |
| NPI issued | Jul 13, 2018 |
| Last updated in NPPES | Jul 13, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R206254 | MD |
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 - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 73 across 8 procedure codes |
| Paid by Medicare | $6,368 |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Chesapeake Digestive Associates, PCColumbia, MD · 38 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$337.72 · 16 payments from 8 companies
- 2024$394.16 · 17 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $79.58 | 5 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $68.15 | 3 |
| Ardelyx, Inc. | $55.22 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $46.77 | 2 |
| Genzyme Corporation | $26.11 | 1 |
What the 2025 payments were for
- Food and Beverage$337.72 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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