Donald Massee, MD

Medicare activity in 2024

Official CMS public-use data for Donald Massee, 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. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)29,300 services
2. Injection, gadoterate meglumine, 0.1 ml (A9575)11,550 services
3. Screening mammography (77067)572 services
4. Screening 3d breast mammography (77063)561 services
5. Ct scan of chest without contrast (71250)279 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 blood pressure75%
• High cholesterol75%
• Arthritis52%
• Diabetes41%
• Ischemic heart disease27%
• Chronic kidney disease24%

Practice locations

Addresses where Donald Massee is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

• 222 W Eulalia StGlendale, CA 91204 (818) 502‑2323
• 2301 Bahamas DrBakersfield, CA 93309 (661) 326‑9600
• 2336 Santa Monica Blvd, Suite 206Santa Monica, CA 90404 (310) 315‑1000
• 35800 Bob Hope Dr, Suite 150aRancho Mirage, CA 92270 (760) 770‑1920
• 415 Rolling Oaks DrThousand Oaks, CA 91361 (805) 778‑1513

Group practices

Medicare enrollment lists Donald Massee as a member of these groups (CMS data updated October 2, 2026).

• Cedars-Sinai Medical Care Foundation1,692 clinicians in the group
• Beverly Radiology Medical Group III328 clinicians in the group
• Desert Advanced Imaging Medical Center208 clinicians in the group
• Fresno Imaging Center133 clinicians in the group
• Kern Radiology Medical Group Inc100 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Glendale

Clinicians with the same Medicare primary specialty in Glendale, CA — not a recommendation.

• John G. Dalle, DO
• Dennis Beglaryan, DO
• Deborah Ash, MD
• Robert A. Acquarelli, MD
• Una L. Morris, MD
• Armen S. Aivazi, MD
• Kamran Koochek, MD
• Robert Clark, MD

All radiologists in Glendale →

Other clinicians in Cedars-Sinai Medical Care Foundation

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

• Brian E. Lee, MD
• Cory M. Hoeferlin, MD
• Nelson Nguyen
• Yaniv Raphael, MD
• Chelsea L. Kauffman, PA
• Tyler A. Hyman, 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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
4. Medicare Care Compare — official Medicare tool to look up clinicians