Justin Elliot Fields, MD
NPI 1003013723ActiveIndividual· Internal Medicine· Norman, OK
Internal Medicine (MD) in Norman, Oklahoma, trained at University of Texas Medical Branch at Galveston (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $958,082 for 8,328 claims, against $125,982 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 15 companies reporting payments in 2025, $518.17 in all, mostly food and beverage.
Overview
| NPI | 1003013723 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 27, 2007 |
| Last updated in NPPES | Feb 5, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25774 | OK |
| Pediatrics | 208000000X | 25774 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 354 |
|---|---|
| Services billed | 2,414 across 57 procedure codes |
| Paid by Medicare | $125,982 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,328 · 19,524 30-day fills |
|---|---|
| Patients | 571 |
| Total drug cost | $958,082 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK · 649 clinicians
Hospital affiliations
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
- Norman RegionalNorman, OK
Other facilities
- Centric Home HealthHome health agency · Durant, OK
- Mercy Home HealthHome health agency · Oklahoma City, OK
Industry payments (Open Payments)
- 2025$518.17 · 27 payments from 15 companies
- 2024$280.19 · 15 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $96.90 | 4 |
| Vanda Pharmaceuticals Inc. | $63.37 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $50.67 | 3 |
| Lilly USA, LLC | $44.47 | 2 |
| Amgen Inc. | $34.02 | 2 |
What the 2025 payments were for
- Food and Beverage$518.17 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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