Douglas Matsunaga

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

A168505 Issued in CA

Practice address

1245 Wilshire Blvd Ste 380
Los Angeles, CA 90017-4886

Phone

(213) 483-8810

Fax

(213) 975-9118

NPI assigned

Mar 28, 2016

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Ophthalmology

Education

University of Southern California Keck School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Retina Vitreous Associates Medical GroupGroup PAC ID 5799769584, 17 clinicians

Pacific Eye Institute a Medical Group IncGroup PAC ID 7911966122, 43 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Pih Health Good Samaritan Hospital Hospital, Los Angeles, CA, CCN 050471

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: dmatsunaga@pacificeyelaser.intellechartdirect.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Pacific Eye Institute, a Medical Group, Inc.

  • Ophthalmology Physician
  • Upland, CA
  • NPI 1962422709
  Medicare reassignment Care Compare group NPD
• Retina-Vitreous Associates Medical Group PC

  • Ophthalmology Physician
  • Los Angeles, CA
  • NPI 1134164023
  Medicare reassignment Care Compare group NPD
• Usc Care Medical Group, Inc

  • General Practice Physician
  • Los Angeles, CA
  • NPI 1902846306

  Ophthalmology

  Medicare reassignment NPD
• Pacific Eye Institute a Medical Group Inc

  • Ambulatory Surgical Clinic/Center
  • Upland, CA
  • NPI 1407932619
  NPD
• Usc Care Medical Group, Inc

  dba Fair Oaks Clinic

  • Durable Medical Equipment & Medical Supplies
  • Pasadena, CA
  • NPI 1427937390
  NPD
• Advanced Dermatology & Skin Cancer Specialists

  • Dermatology Physician
  • Temecula, CA
  • NPI 1881023927
  NPD (past)
• Chino Medical Group, Inc

  dba My Family Medical Group

  • Health Maintenance Organization
  • Chino, CA
  • NPI 1790730786

  Physician Assistant

  NPD (past)
• Dan K Sakamoto M D Medical Corp

  • Ophthalmology Physician
  • Torrance, CA
  • NPI 1225250103
  NPD (past)
• Doctors Hospital of Riverside LLC

  dba Parkview Community Hospital Medical Center

  • General Acute Care Hospital
  • Riverside, CA
  • NPI 1124596382
  NPD (past)
• Good Samaritan Hospital, L.P.

  dba Good Samaritan Hospital

  • General Acute Care Hospital
  • San Jose, CA
  • NPI 1376595777
  NPD (past)
• Pih Health Good Samaritan Hospital

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1508859323
  NPD (past)
• The Oncology Institute Ca, a Professional Corporation

  dba The Oncology Institute of Hope and Innovation

  • Hematology & Oncology Physician
  • Downey, CA
  • NPI 1275651515
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Pih Health Good Samaritan Hospital

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1508859323
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1459123200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1821450818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1245 WILSHIRE BLVD STE 380",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900174886",
            "telephone_number": "213-483-8810",
            "fax_number": "213-975-9118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1245 WILSHIRE BLVD STE 380",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900174886",
            "telephone_number": "213-483-8810",
            "fax_number": "213-975-9118"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9001 Wilshire Blvd Ste 301",
            "address_purpose": "LOCATION",
            "city": "Beverly Hills",
            "state": "CA",
            "postal_code": "902111841",
            "country_code": "US",
            "telephone_number": "310-854-6201",
            "fax_number": "213-975-9118",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3400 Lomita Blvd Ste 202",
            "address_purpose": "LOCATION",
            "city": "Torrance",
            "state": "CA",
            "postal_code": "905054914",
            "country_code": "US",
            "telephone_number": "310-891-1000",
            "fax_number": "213-975-9118",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATSUNAGA",
        "first_name": "DOUGLAS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-03-28",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A168505",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicole L Matsumoto, ASW
• Shuichi Matsumoto
• Takeshi Matsumoto, M.D.
• Loren K. Matsumura, OTR/L
• Yasuhiro Matsumura
• Josh Matsunaga, PT, DPT
• Laura Lynn Matsunaga, DDS
• Sarah Mariko Matsunaga, MD
• Hiroe Matsuo
• Vivian Joan Matsushige, M.S.W.

• Ophthalmology Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Ophthalmology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.