Yoon Young Ko, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A20130 Issued in CA

Practice address

599 E Valpico Rd
Tracy, CA 95376

Phone

(209) 830-4072

Fax

(209) 454-3191

NPI assigned

Jun 11, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 2

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

Family Practice

Education

Touro Un Col of Osteopathic Medicine, New York, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Sutter Valley Medical FoundationGroup PAC ID 9830094515, 2,473 clinicians

Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sutter Care at Home Home health agency, Salida, CA, CCN 057695
• Sutter Tracy Community Hospital Hospital, Tracy, CA, CCN 050313
• Memorial Medical Center Hospital, Modesto, CA, CCN 050557

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: yko752555@hisp.ehr.sutterhealth.org

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.

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Sutter Valley Medical Foundation

  • Multi-Specialty Clinic/Center
  • Modesto, CA
  • NPI 1669846986

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• Sutter Valley Medical Foundation

  • Durable Medical Equipment & Medical Supplies
  • Tracy, CA
  • NPI 1720930712
  NPD
• Sutter Valley Medical Foundation

  • Multi-Specialty Clinic/Center
  • Yuba City, CA
  • NPI 1992939565
  NPD
• Sutter North Medical Foundation

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

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

• Sutter Valley Hospitals

  • General Acute Care Hospital
  • Modesto, CA
  • NPI 1699129601
  Care Compare affiliation
• Sutter Valley Hospitals

  • General Acute Care Hospital
  • Tracy, CA
  • NPI 1821442864
  Care Compare affiliation
• Sutter Visiting Nurse Association and Hospice

  • Home Health Agency
  • Salida, CA
  • NPI 1972876506
  Care Compare affiliation

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

{
    "created_epoch": "1560211200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762214400000",
    "number": "1396304457",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 255228",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958655228",
            "telephone_number": "800-470-0071",
            "fax_number": "916-854-6769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "599 E VALPICO RD",
            "city": "TRACY",
            "state": "CA",
            "postal_code": "95376",
            "telephone_number": "209-830-4072",
            "fax_number": "209-454-3191"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "42 E Laurel Rd Ste 2100A",
            "address_purpose": "LOCATION",
            "city": "Stratford",
            "state": "NJ",
            "postal_code": "080841354",
            "country_code": "US",
            "telephone_number": "856-566-6477",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "705 Haddonfield Berlin Rd",
            "address_purpose": "LOCATION",
            "city": "Voorhees",
            "state": "NJ",
            "postal_code": "080433714",
            "country_code": "US",
            "telephone_number": "856-679-0537",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KO",
        "first_name": "YOON",
        "middle_name": "YOUNG",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-11",
        "last_updated": "2025-11-04",
        "certification_date": "2025-11-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A20130",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NJ",
            "license": "25MB11247200",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "275 W MacArthur Blvd",
            "city": "Oakland",
            "state": "CA",
            "country_code": "US",
            "postal_code": "946115641",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "NJExchange@patientfirstclinics.com",
            "affiliation": "N",
            "endpointDescription": "email",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "705 Haddonfield Berlin Rd",
            "city": "Voorhees",
            "state": "NJ",
            "country_code": "US",
            "postal_code": "080433714",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Mohrgen Raenue Kissee
• Alex Klassen
• Julia D Klein, BCBA
• Emma Knight
• Tamia L Knight
• Elizabeth Kok
• Sam Peter Kokoris, MD
• Dana-Joelle Koman
• Harika Kovvuri
• Anupama Krishnamurthy, DDS

• Family Medicine Physician in Tracy, CA
• Providers in Tracy, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 4, 2025; 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.