Yiyin Erin Chen, MD, PHD
NPI 1457799439ActiveIndividual· Dermatology· Boston, MA
Dermatology (MD, PHD) in Boston, Massachusetts, trained at Harvard Medical School (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $87,330 for 167 claims, against $18,996 paid for services in 2024.
Overview
| NPI | 1457799439 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | Yes |
| NPI issued | Jun 12, 2013 |
| Last updated in NPPES | Apr 17, 2023 |
| Certified by provider | Apr 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A134773 | MA |
| Dermatology | 207N00000X | A134773 | CA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 360 across 14 procedure codes |
| Paid by Medicare | $18,996 |
Part D prescriptions in 2024
| Prescriptions (claims) | 167 · 202 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $87,330 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Dermatology |
Medical group
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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