John Emmanuel Markantonis, DO
NPI 1720527864ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Greenville, NC
Pathology, Anatomic Pathology & Clinical Pathology (DO) with New York University, practicing in Greenville, North Carolina. Medicare paid $1,723 for services to 71 patients in 2024. Biomerieux Inc was the largest of 5 companies reporting payments in 2025, $847.08 in all, mostly food and beverage. Lists Ecu Health Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1720527864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Feb 22, 2017 |
| Last updated in NPPES | Jul 10, 2026 |
| Certified by provider | Jul 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 2022-03036 | NC |
| Pathology, Medical Microbiology | 207ZM0300X | 2022-03036 | NC |
| Pathology, Clinical Pathology | 207ZC0006X | 2022-03036 | NC |
| General Practice | 208D00000X | T4423 | TX |
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 - Pathology (NC); Practitioner - Pathology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 71 |
|---|---|
| Services billed | 107 across 6 procedure codes |
| Paid by Medicare | $1,723 |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliations
- Ecu Health Medical CenterGreenville, NC
- Ecu Health North HospitalRoanoke Rapids, NC
- NYU Langone HospitalsNew York, NY
- Vidant Chowan HospitalEdenton, NC
- Vidant Roanoke Chowan HospitalAhoskie, NC
Industry payments (Open Payments)
- 2025$847.08 · 7 payments from 5 companies
- 2024$88.15 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biomerieux Inc | $423.31 | 2 |
| Merck Sharp & Dohme LLC | $150.70 | 2 |
| La Jolla Pharmaceutical Company | $128.25 | 1 |
| Abbvie Inc. | $124.94 | 1 |
| Shionogi Inc | $19.88 | 1 |
What the 2025 payments were for
- Food and Beverage$821.38 · 6 payments
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 pathologists in Greenville · All pathologists in North Carolina