Margaret Kasschau

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

Practice address

627 Broadway Ste a
Massapequa, NY 11758-5031

Phone

(516) 716-3876

NPI assigned

Aug 22, 2018

Sex

Female

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

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: margaret.kasschau.p1@direct.tejpreetsinghmdpc.nextgenshare.com

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.

• Tej-Preet Singh, M.D. P.C.

  • Neurology Physician
  • Massapequa, NY
  • NPI 1396561148
  NPD

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

{
    "created_epoch": "1534896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763596800000",
    "number": "1124509724",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "627 BROADWAY STE A",
            "city": "MASSAPEQUA",
            "state": "NY",
            "postal_code": "117585031",
            "telephone_number": "516-716-3876"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "627 BROADWAY STE A",
            "city": "MASSAPEQUA",
            "state": "NY",
            "postal_code": "117585031",
            "telephone_number": "516-716-3876"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KASSCHAU",
        "first_name": "MARGARET",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-08-22",
        "last_updated": "2025-11-20",
        "certification_date": "2025-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stewart Kaplan, M.D.
• Karen Giuliani Inc.
• Abdul Basit Karim, DDS
• Alexandra Karl, FNP-C
• Andrew Ross Kasan
• Darren J Katz, DC
• Jill S Kaye, PT
• Dawn Renee Keenan
• Gina M. Keep, N.P.
• Brian J Kelly, LPN

• Medical Physician Assistant in Massapequa, NY
• Providers in Massapequa, NY by specialty
• Medical Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 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.