Marka R. Crittenden, MD

Medicare activity in 2024

Official CMS public-use data for Marka R. Crittenden, 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. Ct guidance for insertion of radiation therapy fields (77014)212 services
2. Design and construction of complex radiation treatment device (77334)30 services
3. Calculation of radiation therapy dose (77300)27 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)20 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)19 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).

• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• High blood pressure61%
• High cholesterol58%
• Arthritis27%
• Chronic kidney disease27%
• Diabetes25%

Hospitals where Marka R. Crittenden works

Medicare's Facility Affiliation Data lists Marka R. Crittenden 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.

• Providence Portland Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380061

Practice locations

Addresses where Marka R. Crittenden is enrolled with Medicare (CMS data updated October 2, 2026).

• 847 NE 19th Ave, Suite 300Portland, OR 97232

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in Oregon →

Other radiation oncologists in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

• Jehan Yahya, MD
• Eric K. Hansen, MD
• Misa M. Lee, MD
• Mark F. Schray, MD
• Sophia Bornstein, MD
• Kristina H. Young
• Aaron N. Sabolch, MD
• Aaron Grossberg, MD

All radiation oncologists in Portland →

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