Kah Loon Wan, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

347224 Issued in NY

Practice address

358 New Dorp LN FL 1
Staten Island, NY 10306-3035

Phone

(718) 980-6688

NPI assigned

Apr 28, 2021

Last updated

May 2, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359

Interoperability endpoints

• Direct secure messaging: kwan684128@nychhc.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Yen Hoong Ooi MD PLLC

  dba Happiness Pediatrics

  • Pediatrics Physician
  • Brooklyn, NY
  • NPI 1245688985
  NPD (past)

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

{
    "created_epoch": "1619568000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777680000000",
    "number": "1194308189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "358 NEW DORP LN FL 1",
            "city": "STATEN ISLAND",
            "state": "NY",
            "postal_code": "103063035",
            "telephone_number": "718-980-6688"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "358 NEW DORP LN FL 1",
            "city": "STATEN ISLAND",
            "state": "NY",
            "postal_code": "103063035",
            "telephone_number": "718-980-6688"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2481 86th St",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112144448",
            "country_code": "US",
            "telephone_number": "929-630-6688",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "762 59th St Ste 7",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112203920",
            "country_code": "US",
            "telephone_number": "917-338-6688",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WAN",
        "first_name": "KAH LOON",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-28",
        "last_updated": "2026-05-02",
        "certification_date": "2026-05-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "347224",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas Walsh, A.N.P
• Paula Anne Walshe
• Robert Walter, MD
• Sophia Walter, OTR/L
• Diane Walz, PTA
• Samantha Wanamaker, OT
• Xin Mian Wang Cai
• Danning Wang, MD
• Kai Wang
• Kevin Wang, MD

• Family Nurse Practitioner in Staten Island, NY
• Providers in Staten Island, NY by specialty
• Family Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 2, 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.