Quick answers
- Which hospitals does Mark Dziemianowicz work at?
- Medicare's official clinician data lists Mark Dziemianowicz at 5 hospitals: Banner North Co Medical Center - Loveland Campus, Banner North Colorado Medical Center, East Morgan County Hospital, Sterling Regional Medcenter and UCHealth Greeley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Dziemianowicz see patients?
- Medicare's clinician data lists 2 practice locations, including Greeley, CO and Fort Collins, CO. Call before your visit to confirm the address.
- What is Mark Dziemianowicz's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Mark Dziemianowicz accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Dziemianowicz 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.
- Does Mark Dziemianowicz offer telehealth?
- Medicare's clinician data says Mark Dziemianowicz offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark Dziemianowicz?
- (970) 810-4593, as listed in official Medicare / NPI Registry data.
- What is Mark Dziemianowicz's NPI number?
- 1154776029. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Dziemianowicz works
Medicare's Facility Affiliation Data lists Mark Dziemianowicz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner North Co Medical Center - Loveland CampusLoveland, CO · Acute Care Hospital · CCN 060030
- Banner North Colorado Medical CenterGreeley, CO · Acute Care Hospital · CCN 060001
- East Morgan County HospitalBrush, CO · Critical Access Hospital · CCN 061303
- Sterling Regional MedcenterSterling, CO · Acute Care Hospital · CCN 060076
- UCHealth Greeley HospitalGreeley, CO · Acute Care Hospital · CCN 060131
Practice locations
Addresses where Mark Dziemianowicz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1801 16th StGreeley, CO 80631 (970) 810‑4593
- 4700 Lady Moon DrFort Collins, CO 80528 (910) 821‑4288
Group practices
Medicare enrollment lists Mark Dziemianowicz as a member of this group (CMS data updated 2026-10-02).
- Banner Hospital Based Physicians Colorado LLC75 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1154776029 |
| 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