MAINSTREAM PHYSICAL THERAPY LLC
NPI 1669545687
Clinic/Center - Physical Therapy in Weirton, WV
About Mainstream Physical Therapy Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAINSTREAM PHYSICAL THERAPY LLC (NPI 1669545687) is a healthcare organization registered as a physical therapy in Weirton, West Virginia and active in the NPI registry since November 2006. The organization lists John Ira Kirlangitis, Doctor Of Physical Therapy, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mainstream Physical Therapy Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Mainstream Physical Therapy LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.
Clinicians, nearest first (4)
Source: 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 Mainstream Physical Therapy LLC's NPI number?
The NPI number for Mainstream Physical Therapy LLC is 1669545687. It was assigned to this organization in the NPPES registry on November 16, 2006.
Where is Mainstream Physical Therapy LLC located?
Mainstream Physical Therapy LLC is located at 243 Three Springs Dr Ste 1, Weirton, WV 26062. The listed phone number is (304) 723-7111.
What is Mainstream Physical Therapy LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Physical Therapy, with taxonomy code 261QP2000X.
Is Mainstream Physical Therapy LLC enrolled in Medicare?
Yes. Mainstream Physical Therapy LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mainstream Physical Therapy LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Mainstream Physical Therapy LLC. 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 Physical Therapist in Private Practice (3) and Physical Medicine and Rehabilitation (1). Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Mainstream Physical Therapy LLC accept?
Health plans from Highmark Blue Cross Blue Shield West Virginia list Mainstream Physical Therapy LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mainstream Physical Therapy LLC was last updated on April 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Mainstream Physical Therapy Llc · NPI 1669545687
Physical Therapy organization in Weirton, West Virginia. Organization record, active in the CMS NPPES registry since November 16, 2006.
## Identity
- **NPI:** 1669545687 (Entity type: Organization)
- **Enumerated:** November 16, 2006
- **Primary specialty:** Clinic/Center - Physical Therapy · taxonomy 261QP2000X
- **Organization subpart:** No
- **Authorized official:** John Kirlangitis, DOCTOR OF PHYSICAL THERAPY
## Practice location
- **Address:** 243 THREE SPRINGS DR STE 1, Weirton, WV 26062-3839
- **Phone:** (304) 723-7111 · **Fax:** (304) 723-7173
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Physical Therapist in Private Practice (3), Physical Medicine and Rehabilitation (1); 3 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 16, 2025
- **Other identifiers:** Medicaid 3810001308 (WV)
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Source: [NPI Profile](https://npiprofile.com/npi/1669545687) · Data from the CMS NPPES public registry.