MULTIPLE SCLEROSIS SPECIALTY CENTER
NPI 1124274501
Physical Therapist - Neurology in Horsham, PA
About Multiple Sclerosis Specialty Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MULTIPLE SCLEROSIS SPECIALTY CENTER (NPI 1124274501), doing business as 810 Ms Specialty Center, is a healthcare organization registered as a neurology in Horsham, Pennsylvania and active in the NPI registry since August 2008. The organization maintains a secondary practice location in Mount Laurel and lists John Marmarou, Executive Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 2
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Multiple Sclerosis Specialty Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
25Medicare enrollment records show 25 clinicians reassign Medicare billing to Multiple Sclerosis Specialty Center, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 25Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Multiple Sclerosis Specialty Center's NPI number?
The NPI number for Multiple Sclerosis Specialty Center is 1124274501. It was assigned to this organization in the NPPES registry on August 17, 2008. The provider is doing business as 810 MS Specialty Center and Exercise Care and Orthopedics.
Where is Multiple Sclerosis Specialty Center located?
Multiple Sclerosis Specialty Center is located at 200 Lakeside Dr Ste 228, Horsham, PA 19044. The listed phone number is (215) 259-6699.
What is Multiple Sclerosis Specialty Center's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Neurology, with taxonomy code 2251N0400X.
Is Multiple Sclerosis Specialty Center enrolled in Medicare?
Yes. Multiple Sclerosis Specialty Center is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Multiple Sclerosis Specialty Center?
According to the CMS Revalidation Reassignment List (October 2026 release), 25 clinicians in 3 Medicare specialties reassign their Medicare billing to Multiple Sclerosis Specialty Center. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Occupational Therapist in Private Practice (11), Physical Therapist in Private Practice (11) and Qualified Speech Language Pathologist (3). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Multiple Sclerosis Specialty Center was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Multiple Sclerosis Specialty Center · NPI 1124274501
Neurology organization in Horsham, Pennsylvania. Organization record, active in the CMS NPPES registry since August 17, 2008.
## Identity
- **NPI:** 1124274501 (Entity type: Organization)
- **Enumerated:** August 17, 2008
- **Primary specialty:** Physical Therapist - Neurology · taxonomy 2251N0400X
- **Also known as:** 810 MS Specialty Center (Doing Business As); Exercise Care and Orthopedics (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** John Marmarou, EXECUTIVE DIRECTOR
## Practice location
- **Address:** 200 LAKESIDE DR STE 228, Horsham, PA 19044-2321
- **Phone:** (215) 259-6699 · **Fax:** (215) 259-6889
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 25 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Occupational Therapist in Private Practice (11), Physical Therapist in Private Practice (11), Qualified Speech Language Pathologist (3); 3 practice at this address and 4 within 10 miles; [full list](https://npiprofile.com/npi/1124274501/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1124274501) · Data from the CMS NPPES public registry.