Evan Chris Chen, MD
NPI 1679929574ActiveIndividual· Internal Medicine, Medical Oncology· Boston, MA
Internal Medicine, Medical Oncology (MD) in Boston, Massachusetts, trained at Stanford University School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $712,149 for 241 claims, against $29,866 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 4 companies reporting payments in 2025, $20,716 in all, mostly consulting fees.
Overview
| NPI | 1679929574 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 10, 2016 |
| Last updated in NPPES | Mar 6, 2023 |
| Certified by provider | Mar 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 278136 | MA |
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 - Medical Oncology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 322 across 18 procedure codes |
| Paid by Medicare | $29,866 |
Part D prescriptions in 2024
| Prescriptions (claims) | 241 · 283 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $712,149 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dana-Farber Cancer Institute, Inc.Boston, MA · 684 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- North Shore Medical Center -Salem, MA
Other facilities
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
Industry payments (Open Payments)
- 2025$20,716 · 21 payments from 4 companies
- 2024$1,405 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $10,102 | 7 |
| Syndax Pharmaceuticals, Inc. | $6,211 | 9 |
| Autolus Inc | $3,719 | 4 |
| Rigel Pharmaceuticals, Inc. | $685.00 | 1 |
What the 2025 payments were for
- Consulting Fee$14,902 · 8 payments
- Honoraria$3,545 · 2 payments
- Travel and Lodging$1,527 · 6 payments
- Food and Beverage$742.60 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Boston
- 1518864735
- 1427024264
- 1184693947
- 1740262484
- 1942557079
- 1316920838
- 1417078221
- 1609071208
- 1053632984
- 1578281796
- 1285671453
- 1073589578
All Internal Medicine, Medical Oncology providers in Massachusetts →