Individual provider Active NPI

Michael Kay Yoon, M.D.

  • Ophthalmology Physician
  • Banning, CA
National Provider Identifier
1124219332
Registry record updated Jan 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
A95899 Issued in CA
Practice address
6109 W Ramsey St
Banning, CA 92220-3051
Phone
(951) 845-0313
Fax
(951) 845-4143
NPI assigned
Aug 5, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 17, 2026

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 A95899 CA Primary

Addresses

Primary practice location

6109 W Ramsey St
Banning, CA 92220-3051

Mailing address

PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3203

Other practice location 1

1690 Barton Rd Ste 200
Redlands, CA 92373-4231
Phone (909) 793-3311

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
I20090603000531 CA Practitioner - Ophthalmology 1456401959 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
University of California, San Francisco School of Medicine, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Beaver Medical Group P CGroup PAC ID 0547164295, 251 clinicians

Practice addresses (Care Compare)

2 W Fern Ave
Redlands, CA 92373-5916
Phone (909) 793-3311

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery88

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Beaver Medical Group P C Ophthalmology CurrentSince Mar 23, 2009 Accepting new patients
Healthcare Partners Affiliates Medical Group Ophthalmology CurrentSince Feb 1, 2026 Accepting new patients
Healthcare Partners Affiliates Medical Group CurrentSince Feb 1, 2026 Accepting new patients
Beaver Medical Group P C CurrentSince Mar 23, 2009 Accepting new patients
Redlands Community Hospital Past Accepting new patients
Beaver Medical Group P C Past Accepting new patients
San Gorgonio Memorial Hospital Past Accepting new patients

Locations

1236 N Magnolia Ave
Anaheim, CA 92801
Phone (714) 995-1000

5957 W Ramsey St
Banning, CA 92220
Phone (951) 845-8864

6109 W Ramsey St
Banning, CA 92220
Phone (909) 845-0313

2910 Jefferson St
Ste 100
Carlsbad, CA 92008
Phone (760) 729-8600

824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706

2 W Fern Ave
Redlands, CA 92373
Phone (909) 335-4137

1690 Barton Rd
Ste 200
Redlands, CA 92373
Phone (909) 795-9747

1690 Barton Rd
Fl 2
Redlands, CA 92373
Phone (843) 669-4156

1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: myoon11073@epiclp.direct-ci.com

Organizations & group practices 7

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.

NPI Registry JSON

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

{
    "created_epoch": "1186272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768608000000",
    "number": "1124219332",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6109 W RAMSEY ST",
            "city": "BANNING",
            "state": "CA",
            "postal_code": "922203051",
            "telephone_number": "951-845-0313",
            "fax_number": "951-845-4143"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1690 Barton Rd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Redlands",
            "state": "CA",
            "postal_code": "923734231",
            "country_code": "US",
            "telephone_number": "909-793-3311",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YOON",
        "first_name": "MICHAEL",
        "middle_name": "KAY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-08-05",
        "last_updated": "2026-01-17",
        "certification_date": "2026-01-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A95899",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Banning, CA

Sources for this page

Verify at the official NPI Registry.