Mary-Katharine Emerel, M.D.
NPI 1174943021ActiveIndividual· Dermatology· Princeton, NJ
Dermatology (M.D.) in Princeton, New Jersey, trained at University of Pittsburgh School of Medicine (class of 2014). 289 Medicare patients in 2024, $270,153 paid; nearly all of their 224 Part D prescriptions were generic (96%). Janssen Biotech, Inc. was the largest of 5 companies reporting payments in 2025, $201.81 in all, mostly food and beverage.
Overview
| NPI | 1174943021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 18, 2014 |
| Last updated in NPPES | Nov 30, 2023 |
| Certified by provider | Nov 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 25MA11335100 | NJ |
| Dermatology, MOHS-Micrographic Surgery | 207ND0101X | 25MA11335100 | PA |
| Dermatology, Dermatopathology | 207ND0900X | MD469804 | PA |
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 - Dermatology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 289 |
|---|---|
| Services billed | 1,321 across 70 procedure codes |
| Paid by Medicare | $270,153 |
Part D prescriptions in 2024
| Prescriptions (claims) | 224 · 224 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $3,618 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Dermatology |
Medical group
- Moorestown Dermatology Associates PAMoorestown, NJ · 9 clinicians
Industry payments (Open Payments)
- 2025$201.81 · 7 payments from 5 companies
- 2024$88.72 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $117.23 | 3 |
| Novartis Pharmaceuticals Corporation | $29.43 | 1 |
| Amgen Inc. | $18.97 | 1 |
| Botanix Sb Inc | $18.38 | 1 |
| Lilly USA, LLC | $17.80 | 1 |
What the 2025 payments were for
- Food and Beverage$121.82 · 6 payments
- Education$79.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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