Quick answers
- Which hospitals does Christopher A. Zirker work at?
- Medicare's official clinician data lists Christopher A. Zirker at 5 hospitals: East Morgan County Hospital, Medical Center of the Rockies, Poudre Valley Hospital, Regional West Medical Center and UCHealth Greeley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher A. Zirker see patients?
- Medicare's clinician data lists 3 practice locations, including Fort Collins, CO, Loveland, CO and Greeley, CO. Call before your visit to confirm the address.
- What is Christopher A. Zirker's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Christopher A. Zirker accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher A. Zirker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Christopher A. Zirker?
- (970) 495-7142, as listed in official Medicare / NPI Registry data.
- What is Christopher A. Zirker's NPI number?
- 1629565890. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher A. Zirker works
Medicare's Facility Affiliation Data lists Christopher A. Zirker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- East Morgan County HospitalBrush, CO · Critical Access Hospital · CCN 061303
- Medical Center of the RockiesLoveland, CO · Acute Care Hospital · CCN 060119
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · CCN 060010
- Regional West Medical CenterScottsbluff, NE · Acute Care Hospital · CCN 280061
- UCHealth Greeley HospitalGreeley, CO · Acute Care Hospital · CCN 060131
Practice locations
Addresses where Christopher A. Zirker is enrolled with Medicare (CMS data updated 2026-10-02).
- 1024 S Lemay Ave, Poudre Valley HospitalFort Collins, CO 80524 (970) 495‑7142
- 2500 Rocky Mountain AveLoveland, CO 80538 (970) 624‑2500
- 6767 29th StGreeley, CO 80634 (970) 495‑7153
Group practices
Medicare enrollment lists Christopher A. Zirker as a member of this group (CMS data updated 2026-10-02).
- Northern Colorado Hospitalists Professional LLC86 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629565890 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians