Margaret Fonder, MD
NPI 1962689133ActiveIndividual· Dermatology· Ridgewood, NJ
Dermatology (MD) in Ridgewood, New Jersey, trained at Johns Hopkins University School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $286,792 for 581 claims, against $135,601 paid for services in 2024. Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $924.77 in all, mostly food and beverage.
Overview
| NPI | 1962689133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 30, 2008 |
| Last updated in NPPES | Feb 16, 2022 |
| Certified by provider | Feb 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | MD13546 | RI |
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 | 443 |
|---|---|
| Services billed | 4,171 across 49 procedure codes |
| Paid by Medicare | $135,601 |
Part D prescriptions in 2024
| Prescriptions (claims) | 581 · 718 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $286,792 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Dermatology |
Medical group
- Bergen Dermatology Specialists PARidgewood, NJ · 6 clinicians
Industry payments (Open Payments)
- 2025$924.77 · 40 payments from 9 companies
- 2024$301.15 · 17 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $521.88 | 17 |
| Galderma Laboratories, L.P. | $158.05 | 9 |
| Abbvie Inc. | $86.33 | 5 |
| Regeneron Healthcare Solutions, Inc. | $35.54 | 2 |
| Ucb, Inc. | $34.43 | 2 |
What the 2025 payments were for
- Food and Beverage$744.79 · 38 payments
- Education$179.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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