Xiang Da Dong, MD
NPI 1912970435ActiveIndividual· Surgery, Surgical Oncology· Valhalla, NY
Surgery, Surgical Oncology (MD) in Valhalla, New York, trained at Duke University School of Medicine (class of 1999). Mostly services rather than prescriptions: Medicare paid $134,488 for 193 patients in 2024, with only 46 Part D claims. Histosonics, Inc. was the largest of 19 companies reporting payments in 2025, $1,941 in all, mostly food and beverage.
Overview
| NPI | 1912970435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 8, 2006 |
| Last updated in NPPES | Feb 18, 2021 |
| Certified by provider | Feb 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | 259782 | NY |
| Surgery | 208600000X | 259782 | NY |
| Surgery | 208600000X | 45107 | CT |
| Surgery, Surgical Oncology | 2086X0206X | 45107 | 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 - Surgical Oncology (CT); Practitioner - Surgical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 193 |
|---|---|
| Services billed | 545 across 123 procedure codes |
| Paid by Medicare | $134,488 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 54 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $2,913 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Surgical Oncology |
| Secondary specialties | General Surgery |
Medical group
- Nuvance Health Medical Practice CT IncDanbury, CT · 747 clinicians
Hospital affiliations
- Danbury HospitalDanbury, CT
- Norwalk HospitalNorwalk, CT
Other facilities
- Western Connecticut Home Care IncHome health agency · Danbury, CT
Industry payments (Open Payments)
- 2025$1,941 · 36 payments from 19 companies
- 2024$780.26 · 30 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Histosonics, Inc. | $1,168 | 7 |
| Novartis Pharmaceuticals Corporation | $156.04 | 6 |
| Medtronic, Inc. | $91.35 | 1 |
| Integra Lifesciences Corporation | $74.27 | 2 |
| Kerecis Limited | $55.29 | 2 |
What the 2025 payments were for
- Food and Beverage$1,044 · 32 payments
- Travel and Lodging$897.42 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Surgical Oncology providers in Valhalla
- 1255692141
- 1447370754