Allyx Mason

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

License

029714 Issued in NY

Practice address

227 E 41St St # 8
New York, NY 10017-6927

Phone

(212) 273-6272

Fax

(212) 273-6427

NPI assigned

Jul 6, 2021

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

Specialty

Occupational Therapist in Private Practice

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Premier Healthcare IncGroup PAC ID 1254233158, 58 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: allyx.mason.p1@direct.premierhealthcare.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.

• Premier Healthcare, Inc.

  • Developmental Disabilities Clinic/Center
  • New York, NY
  • NPI 1760436190
  Medicare reassignment Care Compare group NPD
• Premier Healthcare, Inc.

  • Developmental Disabilities Clinic/Center
  • New York, NY
  • NPI 1831330182
  NPD
• Young Adult Institute, Inc.

  • Developmental Disabilities Clinic/Center
  • New York, NY
  • NPI 1144314576
  NPD

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

{
    "created_epoch": "1625529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759449600000",
    "number": "1942871454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "227 E 41ST ST # 8",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100176927",
            "telephone_number": "212-273-6272",
            "fax_number": "212-273-6427"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "227 E 41ST ST # 8",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100176927",
            "telephone_number": "212-273-6272",
            "fax_number": "212-273-6427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASON",
        "first_name": "ALLYX",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-07-06",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "NY",
            "license": "029714",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gayle Maslow
• Melanie Jane Maslow, M.D.
• John Michael Maslowski, RRA.
• Emily M Masnica, RN
• Anna Mason-Mackay
• Ashley Mason
• Daisy Mason, DOULA AND ASSISTANT
• Derek M Mason, MD
• Emilie Liu Mason, MD
• Emily Mason, M.A., CF-SLP

• Occupational Therapist in New York, NY
• Providers in New York, NY by specialty
• Occupational Therapist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.