Organization Active NPI

Ortho Ma LLC

  • Physician Assistant
  • Longmeadow, MA
National Provider Identifier
1730913773
Registry record updated Aug 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Legal business name
ORTHO MA LLC
Practice address
53 Briarcliff Rd
Longmeadow, MA 01106-1324
Phone
(413) 335-2606
NPI assigned
Aug 30, 2024
Last updated
Aug 18, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2025

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

Authorized official

Name
Joseph ZwirkoNPI 1346403037
Title
PA-C
Phone
(413) 335-2606

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X NU Primary

Addresses

Primary practice location

53 Briarcliff Rd
Longmeadow, MA 01106-1324

Mailing address

53 Briarcliff Rd
Longmeadow, MA 01106-1324

Other practice location 1

35 Post Office Park Ste 6
Wilbraham, MA 01095-1172
Phone (413) 836-7846

Other practice location 2

53 Southampton Rd
Westfield, MA 01085-1786
Phone (413) 836-7846

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20241217004277 MA Part B Supplier - Clinic/Group Practice 8729515507 Receives reassigned benefits from 23 practitioners
Practice locations: Westfield, MA; Wilbraham, MA
O20250620001539 MA DME Supplier - Physician Assistant 8729515507 Practice locations: Westfield, MA

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

Medicare medical equipment & supply locations

SupplierSuppliesMedicare assignment
Ortho Ma LLC53 Southampton Rd, Westfield, MA 01085-1786(413) 335-2606 Canes and/or Crutches|Walkers|Orthoses: Off-The-Shelf Accepts assignmentParticipating since Jan 10, 2025

National Provider Directory

National Provider Directory

Locations

35 Post Office Park
Ste 6
Wilbraham, MA 01095
Phone (413) 836-7846

Practitioners & affiliated clinicians

Practitioners 23

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 23

NPI Registry JSON

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

{
    "created_epoch": "1724976000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1755475200000",
    "number": "1730913773",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "53 BRIARCLIFF RD",
            "city": "LONGMEADOW",
            "state": "MA",
            "postal_code": "011061324"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "53 BRIARCLIFF RD",
            "city": "LONGMEADOW",
            "state": "MA",
            "postal_code": "011061324",
            "telephone_number": "413-335-2606"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "35 Post Office Park Ste 6",
            "address_purpose": "LOCATION",
            "city": "Wilbraham",
            "state": "MA",
            "postal_code": "010951172",
            "country_code": "US",
            "telephone_number": "413-836-7846",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "53 Southampton Rd",
            "address_purpose": "LOCATION",
            "city": "Westfield",
            "state": "MA",
            "postal_code": "010851786",
            "country_code": "US",
            "telephone_number": "413-836-7846",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ORTHO MA LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-08-30",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A",
        "authorized_official_last_name": "ZWIRKO",
        "authorized_official_first_name": "JOSEPH",
        "authorized_official_title_or_position": "PA-C",
        "authorized_official_telephone_number": "413-335-2606"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Longmeadow, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.