Quick answers
- Which hospitals does Jon P. Nielsen work at?
- Medicare's official clinician data lists Jon P. Nielsen at 5 hospitals: AdventHealth Littleton, AdventHealth Parker, Hca-Healthone dba Swedish Medical Center, Hilo Benioff Medical Center and The Medical Center of Aurora & South Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jon P. Nielsen see patients?
- Medicare's clinician data lists 4 practice locations, including Englewood, CO, Greenwood Village, CO and Broomfield, CO. Call before your visit to confirm the address.
- What is Jon P. Nielsen's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Jon P. Nielsen accept Medicare assignment?
- Yes. Medicare's clinician data says Jon P. Nielsen 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 Jon P. Nielsen?
- (303) 761-9190, as listed in official Medicare / NPI Registry data.
- What is Jon P. Nielsen's NPI number?
- 1851684120. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jon P. Nielsen works
Medicare's Facility Affiliation Data lists Jon P. Nielsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · CCN 060113
- AdventHealth ParkerParker, CO · Acute Care Hospital · CCN 060114
- Hca-Healthone dba Swedish Medical CenterEnglewood, CO · Acute Care Hospital · CCN 060034
- Hilo Benioff Medical CenterHilo, HI · Acute Care Hospital · CCN 120005
- The Medical Center of Aurora & South HospitalAurora, CO · Acute Care Hospital · CCN 060100
Practice locations
Addresses where Jon P. Nielsen is enrolled with Medicare (CMS data updated 2026-10-02).
- 10800 E Geddes Ave, Suite 300Englewood, CO 80112 (303) 761‑9190
- 8200 E Belleview Ave, Suite 200 EGreenwood Village, CO 80111 (303) 761‑9190
- 875 W 136th Ave, 100 Uchealth Imaging Svcs BroomfieldBroomfield, CO 80023 (303) 457‑7700
- 9051 Ssg Chris Falkel Dr, Suite 100Highlands Ranch, CO 80129 (720) 516‑0683
Group practices
Medicare enrollment lists Jon P. Nielsen as a member of these groups (CMS data updated 2026-10-02).
- UCHealth Imaging Services LLC258 clinicians in the group
- Radiology Imaging Associates PC149 clinicians in the group
- Medical Imaging of Colorado Radiology Imaging Assc PC Etal PT127 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Englewood
Clinicians with the same Medicare primary specialty in Englewood, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851684120 |
| 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