Quick answers
- Which hospitals does Alan S. Feiner work at?
- Medicare's official clinician data lists Alan S. Feiner at 2 hospitals: HCA HealthOne Presbyterian St. Lukes and HCA HealthONE Rose. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alan S. Feiner see patients?
- Medicare's clinician data lists 1 practice location in Denver, CO. Call before your visit to confirm the address.
- What is Alan S. Feiner's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Alan S. Feiner accept Medicare assignment?
- Yes. Medicare's clinician data says Alan S. Feiner 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 Alan S. Feiner?
- (303) 839-6530, as listed in official Medicare / NPI Registry data.
- What is Alan S. Feiner's NPI number?
- 1922082643. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alan S. Feiner works
Medicare's Facility Affiliation Data lists Alan S. Feiner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA HealthOne Presbyterian St. LukesDenver, CO · Acute Care Hospital · CCN 060014
- HCA HealthONE RoseDenver, CO · Acute Care Hospital · CCN 060032
Practice locations
Addresses where Alan S. Feiner is enrolled with Medicare (CMS data updated 2026-10-02).
- 4700 E Hale Pkwy, Suite 150Denver, CO 80220 (303) 839‑6530
Group practices
Medicare enrollment lists Alan S. Feiner as a member of this group (CMS data updated 2026-10-02).
- Rocky Mountain Cancer Centers LLP132 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Denver
Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Denver College Of Medicine - Nlg |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922082643 |
| 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