Ann Elizabeth Patterson, CRNP
NPI 1538701347ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Sewickley, PA
Internal Medicine, Endocrinology, Diabetes & Metabolism (CRNP) in Sewickley, Pennsylvania, licensed in PA, with an NPI issued in October 2019. Their prescriptions cost Medicare Part D more than their services did: $116,913 for 1,744 claims, against $13,293 paid for services in 2024. Amgen Inc. was the largest of 16 companies reporting payments in 2025, $810.00 in all, mostly food and beverage.
Overview
| NPI | 1538701347 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Oct 14, 2019 |
| Last updated in NPPES | Jun 19, 2025 |
| Certified by provider | Jun 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | SP020576 | PA |
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 - Nurse Practitioner (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 228 across 23 procedure codes |
| Paid by Medicare | $13,293 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,744 · 3,485 30-day fills |
|---|---|
| Patients | 343 |
| Total drug cost | $116,913 |
| Generic share | 94% of claims |
Industry payments (Open Payments)
- 2025$810.00 · 33 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $187.70 | 4 |
| Novo Nordisk Inc | $92.57 | 4 |
| Ascendis Pharma Endocrinology Inc | $71.77 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $65.05 | 4 |
| Tandem Diabetes Care, Inc. | $59.64 | 3 |
What the 2025 payments were for
- Food and Beverage$810.00 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other endocrinologists in Sewickley
- 1093155764
- 1720033244
- 1710206842