Eric Detlef Frey, M.D.
NPI 1891091682ActiveIndividual· Internal Medicine, Gastroenterology· Ridgecrest, CA
Internal Medicine, Gastroenterology (M.D.) with Yuma Regional Medical Center, practicing in Ridgecrest, California. Their prescriptions cost Medicare Part D more than their services did: $646,627 for 1,161 claims, against $44,245 paid for services in 2024. Aimmune Therapeutics, Inc. reported $16.56 in payments in 2025, mostly food and beverage. Lists Yuma Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1891091682 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 27, 2011 |
| Last updated in NPPES | May 17, 2021 |
| Certified by provider | May 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A116953 | CA |
| Internal Medicine | 207R00000X | A116953 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (AZ); Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 450 |
|---|---|
| Services billed | 558 across 24 procedure codes |
| Paid by Medicare | $44,245 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,161 · 2,237 30-day fills |
|---|---|
| Patients | 573 |
| Total drug cost | $646,627 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Yuma Regional Medical CenterYuma, AZ · 361 clinicians
Hospital affiliation
- Yuma Regional Medical CenterYuma, AZ
Industry payments (Open Payments)
- 2025$16.56 · 1 payment from 1 company
- 2024$21.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $16.56 | 1 |
What the 2025 payments were for
- Food and Beverage$16.56 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Ridgecrest
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