Erick Alfonso Mafong, M.D.
NPI 1033113725ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Chula Vista, CA
Dermatology, MOHS-Micrographic Surgery (M.D.) in Chula Vista, California, trained at University of California, San Diego School of Medicine (class of 1997). 1,016 Medicare patients in 2024, $1,295,561 paid; nearly all of their 469 Part D prescriptions were generic (99%). Janssen Biotech, Inc. was the largest of 16 companies reporting payments in 2025, $1,387 in all, mostly food and beverage.
Overview
| NPI | 1033113725 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | A78399 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,016 |
|---|---|
| Services billed | 14,155 across 80 procedure codes |
| Paid by Medicare | $1,295,561 |
Part D prescriptions in 2024
| Prescriptions (claims) | 469 · 525 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $26,319 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Dermatology |
Medical group
- Dermatology and Laser Center of San DiegoChula Vista, CA · 9 clinicians
Industry payments (Open Payments)
- 2025$1,387 · 56 payments from 16 companies
- 2024$875.28 · 48 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $439.33 | 14 |
| Abbvie Inc. | $199.02 | 14 |
| Ucb, Inc. | $188.21 | 3 |
| Incyte Corporation | $137.28 | 7 |
| Organogenesis Inc. | $119.82 | 3 |
What the 2025 payments were for
- Food and Beverage$1,292 · 55 payments
- Education$94.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records