John Zs Chen, M.D., FAAD
NPI 1942209887ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Tucson, AZ
Dermatology, MOHS-Micrographic Surgery (M.D., FAAD) with Forefront Dermatology SC and 1 other group, practicing in Tucson, Arizona. 316 Medicare patients in 2024, $331,461 paid; all of their 302 Part D prescriptions were generic. Boston Scientific Corporation reported $359.79 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1942209887 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., FAAD |
| Sole proprietor | No |
| NPI issued | Jul 21, 2005 |
| Last updated in NPPES | Feb 15, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | 32355 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 1,148 across 38 procedure codes |
| Paid by Medicare | $331,461 |
Part D prescriptions in 2024
| Prescriptions (claims) | 302 · 303 30-day fills |
|---|---|
| Patients | 200 |
| Total drug cost | $5,278 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Dermatology |
Medical groups
- Forefront Dermatology SCSouthlake, TX · 662 clinicians
- Sheftel and Associates Dermatology LLPTucson, AZ · 18 clinicians
Industry payments (Open Payments)
- 2025$359.79 · 5 payments from 1 company
- 2024$268.28 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $359.79 | 5 |
What the 2025 payments were for
- Food and Beverage$359.79 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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