Xiaonan Richard Sun, M.D., PH.D
NPI 1295121259ActiveIndividual· Neurological Surgery· Lebanon, NH
Neurological Surgery (M.D., PH.D) with Dartmouth-Hitchcock Clinic and 1 other group, practicing in Lebanon, New Hampshire. Mostly services rather than prescriptions: Medicare paid $16,735 for 43 patients in 2024, with only 15 Part D claims. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $16,246 in all, mostly consulting fees. Lists Cheshire Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1295121259 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D |
| Sole proprietor | No |
| NPI issued | Apr 7, 2015 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 31001 | NH |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Neurological Surgery | 207T00000X | MD219093 | OR |
| Neurological Surgery | 207T00000X | A176146 | 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 - Neurosurgery (NH); Practitioner - Neurosurgery (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 66 across 18 procedure codes |
| Paid by Medicare | $16,735 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 17 30-day fills |
|---|---|
| Total drug cost | $178.98 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
Hospital affiliations
- Cheshire Medical CenterKeene, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
Industry payments (Open Payments)
- 2025$16,246 · 27 payments from 2 companies
- 2024$1,115 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $13,897 | 14 |
| Globus Medical, Inc. | $2,349 | 13 |
What the 2025 payments were for
- Consulting Fee$12,158 · 2 payments
- Travel and Lodging$3,725 · 19 payments
- Food and Beverage$362.73 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 neurosurgeons in Lebanon · All neurosurgeons in New Hampshire