Malcolm Dean Tsay, DOCTORATE

Primary specialty

Physical TherapistTaxonomy code 225100000X

License

310581 Issued in CA

Practice address

1294 W 6TH St Ste 101
San Pedro, CA 90731-2997

Phone

(310) 547-1850

NPI assigned

Aug 13, 2026

Sex

Male

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Harbor Physical Therapy & Sports Medical

  • Orthopedic Physical Therapist
  • San Pedro, CA
  • NPI 1255349676
  NPD (past)

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

{
    "created_epoch": "1786579200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786579200000",
    "number": "1902721160",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "41 SANTA CRUZ AISLE",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926060869",
            "telephone_number": "310-547-1850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1294 W 6TH ST STE 101",
            "city": "SAN PEDRO",
            "state": "CA",
            "postal_code": "907312997",
            "telephone_number": "310-547-1850"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAY",
        "first_name": "MALCOLM",
        "middle_name": "DEAN",
        "credential": "DOCTORATE",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-08-13",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Physical Therapist",
            "state": "CA",
            "license": "310581",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Physical Therapist in San Pedro, CA
• Providers in San Pedro, CA by specialty
• Physical Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 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.