Dwynn N. Greenfield, DO
NPI 1588716914ActiveIndividual· General Practice· Sparta, NC
General Practice (DO) in Sparta, North Carolina, trained at Ohio University, College of Osteopathic Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $864,249 for 10,085 claims, against $349.90 paid for services in 2024. Irhythm Technologies, Inc. reported $19.32 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1588716914 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jan 17, 2007 |
| Last updated in NPPES | Sep 27, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 201200080 | 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 - Family Practice (NC); Practitioner - Family Practice (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 38 across 14 procedure codes |
| Paid by Medicare | $349.90 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,085 · 22,386 30-day fills |
|---|---|
| Patients | 622 |
| Total drug cost | $864,249 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Family Practice |
Medical group
- Alleghany County Memorial Hospital IncSparta, NC · 19 clinicians
Hospital affiliations
- Alleghany Memorial HospitalSparta, NC
- Hugh Chatham Memorial HospitalElkin, NC
- North Carolina Baptist HospitalWinston-Salem, NC
- Twin County Regional HospitalGalax, VA
- Wilkes Regional Medical CenterNorth Wilkesboro, NC
Other facilities
- Access Home Health Care and RehabilitationHome health agency · Galax, VA
- Medi Home Health and HospiceHome health agency · Boone, NC
Industry payments (Open Payments)
- 2024$19.32 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Irhythm Technologies, Inc. | $19.32 | 1 |
What the 2024 payments were for
- Food and Beverage$19.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general practitioners in Sparta
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