Charles J. Ruzkowski, MD
NPI 1669576757ActiveIndividual· Internal Medicine, Gastroenterology· Pueblo, CO
Internal Medicine, Gastroenterology (MD) in Pueblo, Colorado, trained at Chicago College of Medicine and Surgery (class of 1982). 134 Medicare patients in 2024, $21,833 paid; nearly all of their 78 Part D prescriptions were generic (92%). Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $159.46 in all, mostly food and beverage.
Overview
| NPI | 1669576757 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 11, 2006 |
| Last updated in NPPES | May 1, 2025 |
| Certified by provider | May 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 39991 | CO |
| Internal Medicine, Gastroenterology | 207RG0100X | MD-23100 | HI |
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 - Gastroenterology (CO); Practitioner - Gastroenterology (HI); Practitioner - Gastroenterology (MT); Practitioner - Gastroenterology (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 134 |
|---|---|
| Services billed | 200 across 33 procedure codes |
| Paid by Medicare | $21,833 |
Part D prescriptions in 2024
| Prescriptions (claims) | 78 · 136 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $3,103 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Gastroenterology |
Medical groups
- Kau HospitalHilo, HI · 140 clinicians
- Hilo Benioff Medical CenterHilo, HI · 129 clinicians
- Alii Health CenterKailua Kona, HI · 50 clinicians
- Powell County Memorial Hospital Association Inc.Deer Lodge, MT · 16 clinicians
- Digestive Diseases Specialists of Colorado,llcPueblo, CO · 4 clinicians
Hospital affiliations
- Deer Lodge Medical CenterDeer Lodge, MT
- Hilo Benioff Medical CenterHilo, HI
- Kona Community HospitalKealakekua, HI
Industry payments (Open Payments)
- 2025$159.46 · 5 payments from 2 companies
- 2024$136.30 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $140.12 | 4 |
| Exact Sciences Corporation | $19.34 | 1 |
What the 2025 payments were for
- Food and Beverage$159.46 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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