Colin John Seitz, DO
NPI 1518533678ActiveIndividual· Internal Medicine, Nephrology· Pinehurst, NC
Internal Medicine, Nephrology (DO) in Pinehurst, North Carolina, trained at Michigan State University College of Osteopathic Medicine (class of 2021). Part D covered 34 prescriptions written in 2024, 82% of them generic. Ardelyx, Inc. was the largest of 14 companies reporting payments in 2025, $1,209 in all, mostly food and beverage.
Overview
| NPI | 1518533678 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 31, 2021 |
| Last updated in NPPES | Sep 10, 2026 |
| Certified by provider | Sep 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 2026-01272 | NC |
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 - Nephrology (NC) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 38 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $1,600 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Nephrology |
Medical group
- Pinehurst Nephrology Associates PCPinehurst, NC · 8 clinicians
Industry payments (Open Payments)
- 2025$1,209 · 37 payments from 14 companies
- 2024$438.04 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $191.96 | 6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $169.50 | 5 |
| Novo Nordisk Inc | $167.63 | 3 |
| Travere Therapeutics, Inc. | $160.08 | 3 |
| Alexion Pharmaceuticals, Inc. | $145.11 | 3 |
What the 2025 payments were for
- Food and Beverage$1,160 · 34 payments
- Education$49.21 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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