Eric Mark Greenfield, D.O
NPI 1457558025ActiveIndividual· Emergency Medicine· Tamuning, GU
Emergency Medicine (D.O) in Tamuning, Guam, trained at Ohio Medical University (class of 2007). 140 Medicare patients in 2024, $18,016 paid; nearly all of their 103 Part D prescriptions were generic (94%).
Overview
| NPI | 1457558025 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O |
| Sole proprietor | No |
| NPI issued | Jun 28, 2007 |
| Last updated in NPPES | May 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | RTP002364 | GA |
| Emergency Medicine | 207P00000X | DO0064 | GU |
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 - Emergency Medicine (GA); Practitioner - Emergency Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 233 across 13 procedure codes |
| Paid by Medicare | $18,016 |
Part D prescriptions in 2024
| Prescriptions (claims) | 103 · 103 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $851.89 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Ohio Medical University |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Emergency Medicine |
Medical group
- Middle Tennessee Emergency Physicians, P.C.Nashville, TN · 90 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Saint Thomas Rutherford HospitalMurfreesboro, TN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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