Douglas R. Matsunaga, MD

Medicare activity in 2024

Official CMS public-use data for Douglas R. Matsunaga, 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, faricimab-svoa, 0.1 mg (J2777)2,820 services
2. Imaging of retina (92134)1,165 services
3. Established patient complete exam of visual system (92014)930 services
4. Injection of drug into eye (67028)476 services
5. Injection, aflibercept, 1 mg (J0178)422 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%
• Diabetes54%
• Arthritis46%
• Ischemic heart disease36%
• Chronic kidney disease36%

Hospitals where Douglas R. Matsunaga works

Medicare's Facility Affiliation Data lists Douglas R. Matsunaga 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.

• PIH Health Good Samaritan HospitalLos Angeles, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050471

Practice locations

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

• 1245 Wilshire Blvd, Suite 380Los Angeles, CA 90017 (213) 483‑8810
• 15099 Kamana RdApple Valley, CA 92307 (800) 345‑8979
• 555 N 13th AveUpland, CA 91786 (909) 982‑8846
• 9001 Wilshire Blvd, Suite 301Beverly Hills, CA 90211 (310) 854‑6201

Group practices

Medicare enrollment lists Douglas R. Matsunaga as a member of these groups (CMS data updated October 2, 2026).

• Pacific Eye Institute a Medical Group Inc44 clinicians in the group
• Retina-Vitreous Associates Medical Group PC17 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in California →

Other ophthalmologists in Los Angeles

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

• Michael Savetsky, MD
• Jun-Min M. Heur, MD
• Uday Devgan, MD
• Walter C. Roberts, MD
• Youning Zhang, MD
• Mahsaw Mansoor, MD
• Annie Nguyen, MD
• Van Nguyen, MD

All ophthalmologists in Los Angeles →

Other clinicians in Pacific Eye Institute a Medical Group Inc

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

• John J. Kim, MD
• Marinaemad Aziz Awad Awadalla, OD
• Joann Henwood, OD
• Madonna Daniel, OD
• William B. Smith, MD
• Kevin J. Prendiville, 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