NPIMap

Organization Active NPI

MK Spine and Joint Rehab, P.C.

  • Pain Clinic/Center
  • Hauppauge, NY
National Provider Identifier
1699239715
Registry record updated May 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pain Clinic/CenterTaxonomy code 261QP3300X
Legal business name
MK SPINE AND JOINT REHAB, P.C.
Practice address
750 Veterans Hwy Ste 102
Hauppauge, NY 11788-2943
Phone
(631) 335-9935
NPI assigned
Jan 23, 2019
Organization subpart
No

NPPES NPI Registry

Updated by the provider on May 12, 2026

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

Authorized official

Name
Matthew Howard Kalter, MDNPI 1396751558
Title
Authorized Official
Phone
(631) 335-9935

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
Pain Clinic/Center 261QP3300X Primary

Addresses

Primary practice location

750 Veterans Hwy Ste 102
Hauppauge, NY 11788-2943

Mailing address

500 Old Country Rd
Garden City, NY 11530-1901
Phone (631) 335-9935

Other practice location 1

496 Smithtown Byp Ste 200
Smithtown, NY 11787-5011
Phone (631) 361-5300

Other practice location 2

500 Old Country Rd Ste 300
Garden City, NY 11530-1944
Phone (516) 757-4466

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20190530000527 NY Part B Supplier - Clinic/Group Practice 1456694702 Receives reassigned benefits from 2 practitioners
Practice locations: Garden City, NY

National Provider Directory

National Provider Directory

Locations

500 Old Country Rd
#500
Garden City, NY 11530

500 Old Country Rd
Garden City, NY 11530
Phone (516) 891-5410

750 Veterans Hwy
Ste 102
Hauppauge, NY 11788
Phone (631) 335-9935

496 Smithtown Byp
Ste 200
Smithtown, NY 11787
Phone (631) 361-5300

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/23033/brand/1/csg/1/fhir/r4

Practitioners & affiliated clinicians

Practitioners 14

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1548201600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1778544000000",
    "number": "1699239715",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 OLD COUNTRY RD",
            "city": "GARDEN CITY",
            "state": "NY",
            "postal_code": "115301901",
            "telephone_number": "631-335-9935",
            "fax_number": "631-940-1557"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "750 VETERANS HWY STE 102",
            "city": "HAUPPAUGE",
            "state": "NY",
            "postal_code": "117882943",
            "telephone_number": "631-335-9935"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "496 Smithtown Byp Ste 200",
            "address_purpose": "LOCATION",
            "city": "Smithtown",
            "state": "NY",
            "postal_code": "117875011",
            "country_code": "US",
            "telephone_number": "631-361-5300",
            "fax_number": "631-361-5301",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 Old Country Rd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Garden City",
            "state": "NY",
            "postal_code": "115301944",
            "country_code": "US",
            "telephone_number": "516-757-4466",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MK SPINE AND JOINT REHAB, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-01-23",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A",
        "authorized_official_last_name": "KALTER",
        "authorized_official_first_name": "MATTHEW",
        "authorized_official_middle_name": "HOWARD",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "631-335-9935",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "261QP3300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Pain",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hauppauge, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.