John Chandler Mattingly, MD
NPI 1922327907ActiveIndividual· Internal Medicine, Hematology & Oncology· Portsmouth, VA
Internal Medicine, Hematology & Oncology (MD) with Outer Banks Professional Services, LLC, practicing in Portsmouth, Virginia. Enrolled in Medicare as practitioner - hematology/oncology. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $164.84 in all, mostly food and beverage. Lists Clinch Valley Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1922327907 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 31, 2010 |
| Last updated in NPPES | Jun 30, 2025 |
| Certified by provider | Jun 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 0101250189 | VA |
| Internal Medicine | 207R00000X | 0101250189 | VA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 321469 | NC |
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 - Hematology/Oncology (NC) |
|---|
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Outer Banks Professional Services, LLCNags Head, NC · 166 clinicians
Hospital affiliations
- Clinch Valley Medical CenterRichlands, VA
- The Outer Banks Hospital, IncNags Head, NC
Industry payments (Open Payments)
- 2025$164.84 · 7 payments from 4 companies
- 2024$45.64 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $106.55 | 4 |
| Merck Sharp & Dohme LLC | $24.29 | 1 |
| Novocure Inc. | $18.52 | 1 |
| Janssen Biotech, Inc. | $15.48 | 1 |
What the 2025 payments were for
- Food and Beverage$121.59 · 6 payments
- Education$43.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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