Robert M. Rifkin, MD

Medicare activity in 2024

Official CMS public-use data for Robert M. Rifkin, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Injection, pembrolizumab, 1 mg (J9271)17,400 services
2. Injection, lanreotide, 1 mg (J1930)10,170 services
3. Injection, fosaprepitant, 1 mg (J1453)4,200 services
4. Injection, aprepitant, 1 mg (J0185)3,510 services
5. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,955 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol64%
• High blood pressure62%
• Arthritis45%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)43%
• Ischemic heart disease23%
• Chronic kidney disease23%

Hospitals where Robert M. Rifkin works

Medicare's Facility Affiliation Data lists Robert M. Rifkin 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.

• UCHealth Broomfield HospitalBroomfield, CO · Acute Care Hospital · Emergency services: listed by Medicare · CCN 060129
• UCHealth Yampa Valley Medical CenterSteamboat Springs, CO · Acute Care Hospital · Emergency services: listed by Medicare · CCN 060049

Practice locations

Addresses where Robert M. Rifkin is enrolled with Medicare (CMS data updated October 2, 2026).

• 1024 Central Park DrSteamboat Spr, CO 80487 (970) 879‑1322
• 1100 Central Park DrSteamboat Springs, CO 80487
• 595 Russell StCraig, CO 81625 (970) 824‑1020

Group practices

Medicare enrollment lists Robert M. Rifkin as a member of this group (CMS data updated October 2, 2026).

• Yampa Valley Medical Center131 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in Colorado →

Other hematologist-oncologists in Colorado

Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.

• Allen L. Cohn, MD
• Matthew S. Logsdon, MD
• Samantha J. Demarsh, DO
• Samir E. Witta, MD
• Ioana M. Hinshaw, MD
• Maureen O'Brien, MD
• Taymour Hammoudi, MD
• Divis K. Khaira, MD

All hematologist-oncologists in Colorado →

Other clinicians in Yampa Valley Medical Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Allison K. Hamburger, PA
• Shannon Fonger, NP
• Christine Kopischke, PT
• Evan Hardesty, MD
• Raymond C. Petersen, MD
• Gregory D. Wiener, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians