Individual provider Active NPI

Masumi George Asahi, DO

  • Ophthalmology Physician
  • Orange, CA
National Provider Identifier
1962963769
Registry record updated Oct 9, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
20A20765 Issued in CA
Practice address
101 The City Dr S Ste 400
Orange, CA 92868-3201
Phone
(714) 456-5691
Fax
(714) 456-8874
NPI assigned
Mar 26, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 9, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 20A20765 CA Primary

Addresses

Primary practice location

101 The City Dr S Ste 400
Orange, CA 92868-3201

Mailing address

4589 Via Marisol Unit 358
Los Angeles, CA 90042-5140

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20230520000111 CA Practitioner - Ophthalmology 2769848522 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Serve the People, Inc.Group PAC ID 4880872795, 5 clinicians
Retina Macula InstituteGroup PAC ID 3173608585, 5 clinicians

Practice addresses (Care Compare)

1206 E 17TH St
Suite 101
Santa Ana, CA 92701-2641
Phone (714) 352-2911

4201 Torrance Blvd
Suite 220
Torrance, CA 90503-4537
Phone (310) 944-9393

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
20A20765CAMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Serve the People, Inc CurrentSince Sep 13, 2025 Accepting new patients
Retina Macula Institute Ophthalmology CurrentSince Sep 15, 2025 Accepting new patients
The Regents of the University of California-Irvine Past Accepting new patients

Locations

1414 S Grand Ave
Ste 105
Los Angeles, CA 90015
Phone (213) 749-5555

1206 E 17th St
Ste 101
Santa Ana, CA 92701
Phone (714) 352-2911

4201 Torrance Blvd
Ste 220
Torrance, CA 90503
Phone (310) 543-4444

4201 Torrance Blvd
Torrance, CA 90503
Phone (310) 540-5503

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1553558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1696809600000",
    "number": "1962963769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4589 VIA MARISOL UNIT 358",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900425140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S STE 400",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-5691",
            "fax_number": "714-456-8874"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ASAHI",
        "first_name": "MASUMI",
        "middle_name": "GEORGE",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-03-26",
        "last_updated": "2023-10-09",
        "certification_date": "2023-05-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "20A20765",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.