Xiaoyan Chen, MD
NPI 1841490299ActiveIndividual· Internal Medicine· Norwich, CT
Internal Medicine (MD) with The William W Backus Hospital, practicing in Norwich, Connecticut. In 2024 Medicare paid $41,455 for 199 patients, and Part D covered 335 of their prescriptions, 87% of them generic. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $61.48 in all, mostly food and beverage. Lists William W Backus Hospital as a hospital affiliation.
Overview
| NPI | 1841490299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 24, 2007 |
| Last updated in NPPES | Jun 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 53021 | CT |
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 - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 580 across 7 procedure codes |
| Paid by Medicare | $41,455 |
Part D prescriptions in 2024
| Prescriptions (claims) | 335 · 355 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $18,945 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- The William W Backus HospitalNorwich, CT · 249 clinicians
Hospital affiliation
- William W Backus HospitalNorwich, CT
Other facilities
- Hartford Healthcare at HomeHospice · East Hartford, CT
Industry payments (Open Payments)
- 2025$61.48 · 3 payments from 2 companies
- 2024$216.33 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $45.38 | 2 |
| Mallinckrodt Hospital Products Inc. | $16.10 | 1 |
What the 2025 payments were for
- Food and Beverage$61.48 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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