Lilian Chen, M.D.
NPI 1780813055ActiveIndividual· Colon & Rectal Surgery· Boston, MA
Colon & Rectal Surgery (M.D.) in Boston, Massachusetts, trained at Geisel School of Medicine at Dartmouth (class of 2009). 109 Medicare patients in 2024, $49,043 paid; nearly all of their 135 Part D prescriptions were generic (94%). Applied Medical Resources Corporation was the largest of 8 companies reporting payments in 2025, $29,137 in all, mostly travel and lodging.
Overview
| NPI | 1780813055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 8, 2009 |
| Last updated in NPPES | Jun 27, 2023 |
| Certified by provider | Jun 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 259851 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | 241300 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Colorectal Surgery (Proctology) (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 264 across 56 procedure codes |
| Paid by Medicare | $49,043 |
Part D prescriptions in 2024
| Prescriptions (claims) | 135 · 176 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $3,224 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Geisel School of Medicine at Dartmouth |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Pratt Surgical Associates IncBoston, MA · 44 clinicians
Hospital affiliations
- Melrosewakefield HealthcareMelrose, MA
- Tufts Medical CenterBoston, MA
Industry payments (Open Payments)
- 2025$29,137 · 54 payments from 8 companies
- 2024$8,091 · 28 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Applied Medical Resources Corporation | $26,447 | 29 |
| Intuitive Surgical, Inc. | $1,500 | 1 |
| Aroa Biosurgery Incorporated | $630.18 | 14 |
| Dilon Technologies, Inc. | $394.66 | 6 |
| Deroyal Industries, Inc. | $91.58 | 1 |
What the 2025 payments were for
- Travel and Lodging$9,323 · 13 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$9,000 · 3 payments
- Consulting Fee$7,656 · 6 payments
- Food and Beverage$1,658 · 31 payments
- Education$1,500 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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