Onlark Therapy, Inc.

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

Legal business name

ONLARK THERAPY, INC.

Practice address

318 Main St Unit 5F
San Francisco, CA 94105-2158

Phone

(646) 543-7158

NPI assigned

Nov 17, 2025

Organization subpart

No

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

Authorized official

Name

Shihan Wan

Title

Founder

Phone

(332) 400-7430

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1763337600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1763337600000",
    "number": "1306706767",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "318 MAIN ST UNIT 5F",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941052158"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "318 MAIN ST UNIT 5F",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941052158",
            "telephone_number": "646-543-7158"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ONLARK THERAPY, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-11-17",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A",
        "authorized_official_last_name": "WAN",
        "authorized_official_first_name": "SHIHAN",
        "authorized_official_title_or_position": "FOUNDER",
        "authorized_official_telephone_number": "332-400-7430"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Speech-Language Pathologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wen Ong
• Wendy Ong, PHD
• Stevyndennis Jameson Onggo, MD
• Percival Tamerlane Santiago Ongjoco
• Rachel I Ongpin, LCSW
• Adaobi Nneka Onochie, MSN, APRN, FNP-BC
• Rachel Ann Onochie
• Maria Mylene Onsaga, RN
• Onsite Acupuncture and Wellness
• Diana M Ontiveros

• Speech-Language Pathologist in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Speech-Language Pathologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 17, 2025; 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.