Individual provider Active NPI

Kristyn E Alonzo, PT, DPT

  • Physical Therapist
  • Boston, MA
National Provider Identifier
1336746072
Registry record updated Apr 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
PTL26932 Issued in MA
Practice address
661 Boylston St FL 2
Boston, MA 02116-2885
Phone
(617) 275-6022
NPI assigned
Oct 6, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X PTL26932 MA Primary

Addresses

Primary practice location

661 Boylston St FL 2
Boston, MA 02116-2885

Mailing address

661 Boylston St
Boston, MA 02116-2885

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
PTL26932MAMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Ripple Physical Therapy LLC PastSince Nov 3, 2024 Accepting new patients
Next Phase Medical PC PastSince Sep 28, 2025 Accepting new patients
Select CS Physical Therapy, P.C. Physical Therapist Past Accepting new patients

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1601942400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1336746072",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "661 BOYLSTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021162885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "661 BOYLSTON ST FL 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021162885",
            "telephone_number": "617-275-6022"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALONZO",
        "first_name": "KRISTYN",
        "middle_name": "E",
        "credential": "PT, DPT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-10-06",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "MA",
            "license": "PTL26932",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 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.