Daniel R. Zenk, MD
NPI 1326026956ActiveIndividual· Internal Medicine· Greeley, CO
Internal Medicine (MD) in Greeley, Colorado, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,332,781 for 15,413 claims, against $98,913 paid for services in 2024.
Overview
| NPI | 1326026956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2006 |
| Last updated in NPPES | Jul 1, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 33395 | CO |
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 - Internal Medicine (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 650 |
|---|---|
| Services billed | 2,505 across 40 procedure codes |
| Paid by Medicare | $98,913 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,413 · 39,765 30-day fills |
|---|---|
| Patients | 1,183 |
| Total drug cost | $1,332,781 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Poudre Valley Medical Group LLCDenver, CO · 2,440 clinicians
- Select Physical Therapy of West Denver Limited PartnershipWoodland Park, CO · 548 clinicians
Hospital affiliations
- Banner North Colorado Medical CenterGreeley, CO
- Longs Peak HospitalLongmont, CO
- Medical Center of the RockiesLoveland, CO
- Poudre Valley HospitalFort Collins, CO
- Uchealth Greeley HospitalGreeley, CO
Other facilities
- Accentcare Home Health of Mountain Valley LLCHome health agency · Denver, CO
- Banner Home Care ColoradoHome health agency · Greeley, CO
- Bayada Home Health Care IncHome health agency · Loveland, CO
- Enhabit Home HealthHome health agency · Loveland, CO
- Optimal Home Care LovelandHome health agency · Loveland, CO
- Pam Health Rehabilitation Hospital of GreeleyInpatient rehabilitation facility · Greeley, CO
- Grace Pointe Continuing Care Senior Campus, SkilleNursing home · Greeley, CO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 internal medicine physicians in Greeley · All internal medicine physicians in Colorado