MATTHEW DEMPSEY
NPI 1033479191
Physical Therapist in Westport, CT
About Matthew Dempsey NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW DEMPSEY (NPI 1033479191) is an individual physical therapist in Westport, Connecticut, licensed in (009534) and active in the NPI registry since May 2012. He maintains a secondary practice location in Darien and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Matthew Dempsey is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Matthew Dempsey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norwalk, CT 06851
- Reassigned Medicare billing, Connecticut enrollment
- 118 clinicians in this Medicare group
Fairfield, CT 06824
- Reassigned Medicare billing, Connecticut enrollment
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06880 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTPORT, CT 06880
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 Matthew Dempsey's NPI number?
The NPI number for Matthew Dempsey is 1033479191. It was assigned to this individual provider in the NPPES registry on May 23, 2012.
Where is Matthew Dempsey located?
Matthew Dempsey practices at 323 Riverside Ave, Westport, CT 06880. The listed phone number is (203) 845-2200.
What is Matthew Dempsey's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Matthew Dempsey enrolled in Medicare?
Yes. Matthew Dempsey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Matthew Dempsey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Dempsey reassigns Medicare benefits to 2 organizations: Orthoconnecticut, PLLC (Norwalk, CT) and Preneta Physical Therapy, PC (Fairfield, CT). Each 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 Matthew Dempsey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Dempsey accept?
Health plans from Anthem Blue Cross and Blue Shield list Matthew Dempsey 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 Matthew Dempsey was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Matthew Dempsey · NPI 1033479191
Physical Therapist provider in Westport, Connecticut. Individual provider, active in the CMS NPPES registry since May 23, 2012.
## Identity
- **NPI:** 1033479191 (Entity type: Individual)
- **Enumerated:** May 23, 2012
- **Primary specialty:** Physical Therapist · taxonomy 225100000X
- **State license:** 009534
- **Sole proprietor:** Yes
## Practice location
- **Address:** 323 RIVERSIDE AVE, Westport, CT 06880-4825
- **Phone:** (203) 845-2200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Orthoconnecticut, PLLC (NPI 1356906515, Norwalk, CT); Preneta Physical Therapy, PC (NPI 1255590675, Fairfield, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** March 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1033479191) · Data from the CMS NPPES public registry.