Individual provider Active NPI

Yohan Ko, L.AC

  • Acupuncturist
  • Upland, CA
National Provider Identifier
1801149018
Registry record updated Sep 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
AcupuncturistTaxonomy code 171100000X
License
AC13876 Issued in CA
Practice address
222 N Mountain Ave Ste 102a
Upland, CA 91786-5733
Phone
(909) 272-5819
Fax
(909) 550-1579
NPI assigned
Oct 25, 2012
Sex
Male
Sole proprietor
Yes

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.

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
AC13876CAMDAcupuncturist

Practice roles

OrganizationSpecialtyStatusNew patients
Yohan'S Clinic Acupuncturist CurrentSince Mar 12, 2023 Accepting new patients
Precision Occupational Medical Group, Inc. Past Accepting new patients
Cornerstone Medical Group, Inc. Past Accepting new patients

Locations

1803 E Florence Ave
Los Angeles, CA 90001

222 N Mountain Ave
Ste 102A
Upland, CA 91786
Phone (909) 270-5819

Specialties & licenses 1

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Acupuncturist 171100000X AC13876 CA Primary

Addresses

NPPES NPI Registry

Primary practice location

222 N Mountain Ave Ste 102a
Upland, CA 91786-5733

Mailing address

10650 Mountain View Ave Apt 201
Redlands, CA 92373-8434
Phone (909) 272-5819

Other identifiers 1

NPPES NPI Registry
IdentifierTypeStateIssuer
AC13876OtherCAACUPUNCTURE LICENSE

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Sep 11, 2026.

{
    "created_epoch": "1351123200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1801149018",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10650 MOUNTAIN VIEW AVE APT 201",
            "city": "REDLANDS",
            "state": "CA",
            "postal_code": "923738434",
            "telephone_number": "909-272-5819",
            "fax_number": "909-550-1579"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "222 N MOUNTAIN AVE STE 102A",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917865733",
            "telephone_number": "909-272-5819",
            "fax_number": "909-550-1579"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KO",
        "first_name": "YOHAN",
        "credential": "L.AC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-10-25",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "171100000X",
            "taxonomy_group": "",
            "desc": "Acupuncturist",
            "state": "CA",
            "license": "AC13876",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ACUPUNCTURE LICENSE",
            "identifier": "AC13876",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Upland, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.