Robert Stephen Fredericks, MD
NPI 1336156546ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Reno, NV
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Reno, Nevada, licensed in NV, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $3,508,986 for 5,704 claims, against $123,498 paid for services in 2024. Ascendis Pharma Endocrinology Inc was the largest of 16 companies reporting payments in 2025, $1,627 in all, mostly food and beverage. Lists Carson Tahoe Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1336156546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 4014 | NV |
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 - Endocrinology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 334 |
|---|---|
| Services billed | 1,443 across 4 procedure codes |
| Paid by Medicare | $123,498 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,704 · 12,479 30-day fills |
|---|---|
| Patients | 423 |
| Total drug cost | $3,508,986 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 1975 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Carson Tahoe Regional Medical CenterCarson City, NV
- Eastern Plumas Hospital - Portola CampusPortola, CA
- Northern Nevada Medical CenterSparks, NV
- Renown Regional Medical CenterReno, NV
- Tahoe Forest HospitalTruckee, CA
Other facilities
- Saint Marys Home Care ServicesHome health agency · Reno, NV
Industry payments (Open Payments)
- 2025$1,627 · 42 payments from 16 companies
- 2024$580.10 · 20 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ascendis Pharma Endocrinology Inc | $366.49 | 7 |
| Amgen Inc. | $221.11 | 6 |
| Novartis Pharmaceuticals Corporation | $174.39 | 7 |
| Soleno Therapeutics, Inc. | $162.91 | 2 |
| Sanofi-Aventis U.S. LLC | $140.75 | 4 |
What the 2025 payments were for
- Food and Beverage$1,627 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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