Mary Elizabeth Walterhoefer, M.D.
NPI 1831586718ActiveIndividual· Dermatology· Annapolis, MD
Dermatology (M.D.) in Annapolis, Maryland, trained at University of Maryland School of Medicine (class of 2015). 346 Medicare patients in 2024, $85,227 paid; nearly all of their 319 Part D prescriptions were generic (91%). Janssen Biotech, Inc. was the largest of 14 companies reporting payments in 2025, $690.84 in all, mostly food and beverage.
Overview
| NPI | 1831586718 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 19, 2015 |
| Last updated in NPPES | Mar 16, 2022 |
| Certified by provider | Mar 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 0101266341 | VA |
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 - Dermatology (DC); Practitioner - Dermatology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 346 |
|---|---|
| Services billed | 7,627 across 34 procedure codes |
| Paid by Medicare | $85,227 |
Part D prescriptions in 2024
| Prescriptions (claims) | 319 · 365 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $120,849 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Dermatology |
Medical group
- Current Dermatology and Cosmetic Center LLCAnnapolis, MD · 4 clinicians
Industry payments (Open Payments)
- 2025$690.84 · 28 payments from 14 companies
- 2024$697.67 · 33 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $225.93 | 9 |
| Revance Therapeutics, Inc. | $71.99 | 3 |
| Ucb, Inc. | $53.36 | 2 |
| Galderma Laboratories, L.P. | $48.47 | 1 |
| Lilly USA, LLC | $48.21 | 2 |
What the 2025 payments were for
- Food and Beverage$690.84 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 dermatologists in Annapolis · All dermatologists in Maryland