Aliza Stack, PT

Primary specialty

Physical TherapistTaxonomy code 225100000X

License

026883 Issued in NY

Practice address

1768 Route 9
Halfmoon, NY 12065-2402

Phone

(518) 489-2663

NPI assigned

Jun 29, 2006

Last updated

Aug 7, 2026By the provider in NPPES

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

Enrolled in NY

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Samaritan Hospital of Troy, New York

  • General Acute Care Hospital
  • Troy, NY
  • NPI 1043267727

  Physical Therapist

  Medicare reassignment NPD
• Orthopedicsny, LLP

  • Specialist
  • Albany, NY
  • NPI 1568415412
  NPD
• Orthopedicsny, LLP

  dba OrthoNY

  • Orthopaedic Surgery Physician
  • Schenectady, NY
  • NPI 1588107015
  NPD (past)

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

{
    "created_epoch": "1151539200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1255369930",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1768 ROUTE 9",
            "city": "HALFMOON",
            "state": "NY",
            "postal_code": "120652402",
            "telephone_number": "518-489-2663"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1768 ROUTE 9",
            "city": "HALFMOON",
            "state": "NY",
            "postal_code": "120652402",
            "telephone_number": "518-489-2663"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "648 Plank Rd",
            "address_2": "Suite 101",
            "address_purpose": "LOCATION",
            "city": "Clifton Park",
            "state": "NY",
            "postal_code": "120652062",
            "country_code": "US",
            "telephone_number": "518-268-4800",
            "fax_number": "518-268-4888",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STACK",
        "first_name": "ALIZA",
        "credential": "PT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-29",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "NY",
            "license": "026883",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paola Snyder, LCSW
• Kalynne Rose Spinks, PA-C
• St. Peter's Health Partners Medical Associates, P.C.
• St. Peter's Health Partners Medical Associates, P.C.
• St. Peter's Health Partners Medical Associates, P.C.
• Lisa M Stephenson, MS, FNP
• Jessica Streb
• Michael Stufflebeam, RPH
• Hailey Sullivan, PHARMD
• Gary Howard Swalsky

• Physical Therapist in Halfmoon, NY
• Providers in Halfmoon, NY by specialty
• Physical Therapist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.