NPIMap

Organization Active NPI

Multiple Sclerosis Specialty Center

Doing business as 810 MS Specialty Center

  • Neurology Physical Therapist
  • Horsham, PA
National Provider Identifier
1124274501
Registry record updated Nov 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology Physical TherapistTaxonomy code 2251N0400X
Legal business name
MULTIPLE SCLEROSIS SPECIALTY CENTER
Doing business as
810 MS Specialty Center
Exercise Care and Orthopedics
Practice address
200 Lakeside Dr Ste 228
Horsham, PA 19044-2321
Phone
(215) 259-6699
Fax
(215) 259-6889
NPI assigned
Aug 17, 2008
Last updated
Nov 7, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 7, 2025

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

Authorized official

Name
Dr. John Marmarou, DPTNPI 1598954679
Title
Executive Director
Phone
(609) 202-5353

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 3

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physical TherapistGroup: 193200000X MULTI-SPECIALTY GROUP 2251N0400X Primary
Neurorehabilitation Occupational TherapistGroup: 193200000X MULTI-SPECIALTY GROUP 225XN1300X
Speech-Language PathologistGroup: 193200000X MULTI-SPECIALTY GROUP 235Z00000X

Addresses

Primary practice location

200 Lakeside Dr Ste 228
Horsham, PA 19044-2321

Mailing address

9000 Midlantic Dr Ste 101
Mount Laurel, NJ 08054-1539
Phone (609) 509-3445

Other practice location 1

9000 Midlantic Dr Ste 101
Mount Laurel, NJ 08054-1539
Phone (856) 424-5552

Other names 2

  • 810 MS Specialty Center Doing business as
  • Exercise Care and Orthopedics Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, PA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20090106000443 NJ Part B Supplier - Clinic/Group Practice 6901965300 Receives reassigned benefits from 21 practitioners
Practice locations: Mt Laurel, NJ
O20231219002114 PA Part B Supplier - Physical/Occupational Therapy Group in Private Practice 6901965300 Receives reassigned benefits from 8 practitioners
Practice locations: Horsham, PA

National Provider Directory

National Provider Directory

Locations

523 Fellowship Rd
Ste 290
Mount Laurel, NJ 08054
Phone (856) 424-5552

9000 Midlantic Dr
Ste 101
Mount Laurel, NJ 08054
Phone (856) 424-5552

Ownership & related parties

Subparts reporting this organization as parent 1

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

Practitioners & affiliated clinicians

Practitioners 36

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 36

NPI Registry JSON

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

{
    "created_epoch": "1218931200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762473600000",
    "number": "1124274501",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9000 MIDLANTIC DR STE 101",
            "city": "MOUNT LAUREL",
            "state": "NJ",
            "postal_code": "080541539",
            "telephone_number": "609-509-3445",
            "fax_number": "856-424-5559"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 LAKESIDE DR STE 228",
            "city": "HORSHAM",
            "state": "PA",
            "postal_code": "190442321",
            "telephone_number": "215-259-6699",
            "fax_number": "215-259-6889"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9000 Midlantic Dr Ste 101",
            "address_purpose": "LOCATION",
            "city": "Mount Laurel",
            "state": "NJ",
            "postal_code": "080541539",
            "country_code": "US",
            "telephone_number": "856-424-5552",
            "fax_number": "856-424-5559",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MULTIPLE SCLEROSIS SPECIALTY CENTER",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-08-17",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A",
        "authorized_official_last_name": "MARMAROU",
        "authorized_official_first_name": "JOHN",
        "authorized_official_title_or_position": "EXECUTIVE DIRECTOR",
        "authorized_official_telephone_number": "609-202-5353",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DPT"
    },
    "taxonomies": [
        {
            "code": "2251N0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physical Therapist, Neurology",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "225XN1300X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Occupational Therapist, Neurorehabilitation",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Speech-Language Pathologist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "810 MS Specialty Center",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Exercise Care and Orthopedics",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Horsham, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 2025; 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.