Cindy Nguyen Koo, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

35993 Issued in CA

Practice address

1515 Response Rd
Sacramento, CA 95815-4805

Phone

(916) 649-1515

Fax

(916) 649-1516

NPI assigned

Jun 23, 2025

Sex

Female

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

University of California - School of Optometry, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sacramento Eye Consultants a Med CorpGroup PAC ID 5597710319, 10 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cnguyen238737@hpmg.direct-ci.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.

• Sacramento Eye Consultants a Med Corp

  • Ophthalmology Physician
  • Sacramento, CA
  • NPI 1730253287

  Optometrist

  Medicare reassignment Care Compare group NPD
• Sutter North Medical Foundation

  • Ambulatory Surgical Clinic/Center
  • Yuba City, CA
  • NPI 1144251521
  NPD (past)

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

{
    "created_epoch": "1750636800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1023905882",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1515 RESPONSE RD",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958154805",
            "telephone_number": "916-649-1515",
            "fax_number": "916-649-1516"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1515 RESPONSE RD",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958154805",
            "telephone_number": "916-649-1515",
            "fax_number": "916-649-1516"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2295 Fieldstone Dr Ste 140",
            "address_purpose": "LOCATION",
            "city": "Lincoln",
            "state": "CA",
            "postal_code": "956488807",
            "country_code": "US",
            "telephone_number": "916-649-1515",
            "fax_number": "916-649-1516",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1615 Creekside Dr Ste 110",
            "address_purpose": "LOCATION",
            "city": "Folsom",
            "state": "CA",
            "postal_code": "956303491",
            "country_code": "US",
            "telephone_number": "916-649-1515",
            "fax_number": "916-649-1516",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOO",
        "first_name": "CINDY",
        "middle_name": "NGUYEN",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-06-23",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "35993",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas Konia, M.D.
• Elina Konopelkin
• Jonathan Konopinski
• Jessica Konovalenko
• Dmytro Konstantynov
• Julie Koo, M.D.
• Ralph Koo, MD
• Joi Koogler
• Shirley Sandy Koon, D.O.
• Suzanne C Koopmans, M.D.

• Optometrist in Sacramento, CA
• Providers in Sacramento, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 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.