Quick answers
- Does Jeffrey C. Milliken accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey C. Milliken accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Jeffrey C. Milliken's NPI number?
- 1033299292. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeffrey C. Milliken works
Medicare's Facility Affiliation Data lists Jeffrey C. Milliken at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Desert Regional Medical CenterPalm Springs, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050243
Practice locations
Addresses where Jeffrey C. Milliken is enrolled with Medicare (CMS data updated October 2, 2026).
- 2535 S Downing StDenver, CO 80210 (303) 778‑5797
- 7700 S BroadwayLittleton, CO 80122 (303) 730‑8900
- 901 San Bernardino Rd, Suite 102Upland, CA 91786 (909) 579‑6721
Group practices
Medicare enrollment lists Jeffrey C. Milliken as a member of these groups (CMS data updated October 2, 2026).
- Portercare Adventist Health System774 clinicians in the group
- Synergy Ct Surgery Partnership19 clinicians in the group
Specialties
- Cardiac Surgeryprimary
- Thoracic Surgeryalso
Other cardiac surgeons in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Other clinicians in Portercare Adventist Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033299292 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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