Individual provider Active NPI

Jack Long, DPT

  • Physical Therapist
  • Cambridge, MA
National Provider Identifier
1861918534
Registry record updated Oct 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
23177 Issued in MA
Practice address
356 Third St
Cambridge, MA 02142-1111
Phone
(617) 714-5402
Fax
(844) 912-8604
NPI assigned
Aug 15, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 14, 2025

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 23177 MA Primary

Addresses

Primary practice location

356 Third St
Cambridge, MA 02142-1111

Mailing address

4 Richmond SQ
Providence, RI 02906-5117
Phone (401) 433-4172

Other names 1

  • Jack Doucette-Long Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170922001890 MA Practitioner - Physical Therapist in Private Practice 8224302666 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Boston University School of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Silver Fern Practice LLCGroup PAC ID 1658266515, 297 clinicians
Joint Ventures Physical Therapy IncGroup PAC ID 2163474560, 62 clinicians

Practice addresses (Care Compare)

115 Norwood Park S
Norwood, MA 02062-4633
Phone (781) 702-4630

356 3Rd St
Cambridge, MA 02142-1111
Phone 61753611615

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Bay State Physical Therapy of Randolph Inc Physical Therapist CurrentSince Aug 20, 2017 Accepting new patients
Joint Ventures Physical Therapy, Inc. CurrentSince Jan 31, 2022 Accepting new patients
Silver Fern Practice, LLC Physical Therapist CurrentSince Jan 1, 2026 Accepting new patients
Joint Ventures Physical Therapy, Inc. Physical Therapist CurrentSince Jan 31, 2022 Accepting new patients
Silver Fern Practice, LLC Physical Therapist CurrentSince Jan 1, 2026 Accepting new patients

Locations

1395 Commerce Way
Ste 112
Attleboro, MA 02703
Phone (508) 455-5740

10 Liberty Sq
Bsmt 1
Boston, MA 02109

648 Beacon St
Boston, MA 02215
Phone (617) 353-9345

703 Granite St
Ste 3
Braintree, MA 02184

1 Pearl St
Ste 1700
Brockton, MA 02301
Phone (508) 427-0525

300 Elmwood St
North Attleboro, MA 02760
Phone (508) 695-2280

1343 Providence Hwy
Norwood, MA 02062
Phone (781) 702-1339

115 Norwood Park S
Norwood, MA 02062
Phone (781) 349-5181

1 Credit Union Way
Fl 3
Randolph, MA 02368
Phone 7819613370225

425 Waverly Oaks Rd
Waltham, MA 02452
Phone (781) 373-3620

4 Richmond Sq
Providence, RI 02906
Phone (401) 885-2821

4 Richmond Sq
Ste 200
Providence, RI 02906

Organizations & group practices 5

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": "1502755200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760400000000",
    "number": "1861918534",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4 RICHMOND SQ",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029065117",
            "telephone_number": "401-433-4172",
            "fax_number": "401-433-0612"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "356 THIRD ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021421111",
            "telephone_number": "617-714-5402",
            "fax_number": "844-912-8604"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LONG",
        "first_name": "JACK",
        "credential": "DPT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-08-15",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "MA",
            "license": "23177",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JACK",
            "last_name": "DOUCETTE-LONG",
            "credential": "DPT",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Cambridge, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 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.