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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

NPI1922327907
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedMay 31, 2010
Last updated in NPPESJun 30, 2025
Certified by providerJun 30, 2025

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Hematology/Oncology (NC)

Medicare sources and data years

Education and affiliations

Graduation year2010
Medicare specialtyHematology/Oncology

Medical group

Hospital affiliations

Source: CMS Care Compare

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

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

Other hematologist-oncologists in Portsmouth

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