Sierra Loreti

Primary specialty

Physical TherapistTaxonomy code 225100000X

License

26558 Issued in MA

Practice address

110 Haverhill Rd Ste 292
Amesbury, MA 01913-2119

Phone

(978) 834-6392

Fax

(978) 834-6215

NPI assigned

Sep 15, 2022

Last updated

Dec 11, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other names 1

• Sierra Gelsomini Former name

Medicare fee-for-service enrollment

Enrolled in MA

Enrollment records 1

Specialty

Physical Therapist in Private Practice

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Proex Physical Therapy LLCGroup PAC ID 0345212395, 166 clinicians

Practice addresses (Care Compare)

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.

• Proex Physical Therapy, LLC

  • Physical Therapist
  • Woburn, MA
  • NPI 1831190453
  Medicare reassignment Care Compare group NPD
• Proex Physical Therapy, LLC

  • Occupational Therapist
  • Boston, MA
  • NPI 1508757956
  NPD

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

{
    "created_epoch": "1663200000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1437871563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "576 BROADHOLLOW RD",
            "city": "MELVILLE",
            "state": "NY",
            "postal_code": "117475012"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 HAVERHILL RD STE 292",
            "city": "AMESBURY",
            "state": "MA",
            "postal_code": "019132119",
            "telephone_number": "978-834-6392",
            "fax_number": "978-834-6215"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LORETI",
        "first_name": "SIERRA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-09-15",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "MA",
            "license": "26558",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SIERRA",
            "last_name": "GELSOMINI",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Peter Michael Litwin, PSYD
• Xiaoli Liu, NURSE PRACTITIONER
• John M Longo, LICSW
• Looking Forward Vision Therapy LLC
• Anavera Lopes, M.D.
• Kathleen Lovell
• Ashley Lowe
• Debra Lowry, OTR
• Janet Theresa Lucey, OTR/L
• Adrienne Luisi-Gayton

• Physical Therapist in Amesbury, MA
• Providers in Amesbury, MA by specialty
• Physical Therapist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 11, 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.