Active NPI
Matthew Dempsey
- Physical Therapist
- Westport, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- 009534
- Practice address
- 323 Riverside Ave
Westport, CT 06880-4825 - Phone
- (203) 845-2200
- NPI assigned
- May 23, 2012
- Last updated
- Mar 25, 2026
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physical Therapist | 225100000X | 009534 | NU | Primary |
Addresses
Primary practice location
323 Riverside Ave
Westport, CT 06880-4825
Mailing address
18444 N 25TH Ave Ste 320
Phoenix, AZ 85023-1266
Phone (623) 241-8682
Other practice location 1
53 Old Kings Hwy N
suite 103
Darien, CT 06820-4735
Phone (203) 656-2229
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physical Therapist in Private Practice
- Education
- Other, 2012
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
323 Riverside Ave
Suite 1
Westport, CT 06880-4825
Phone (203) 845-2200
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Preneta Physical Therapy, PC | Current | Accepting new patients | |
| Orthoconnecticut, PLLC | Current | Accepting new patients | |
| Hand Therapy Associates, Inc | Physical Therapist | Current | Accepting new patients |
| Orthoconnecticut, PLLC | Physical Therapist | Current | Accepting new patients |
| Hand Therapy Associates, Inc | Physical Therapist | Current | Accepting new patients |
Locations
3101 Main St
Bridgeport, CT 06606
Phone (203) 372-2887
2 Riverview Dr
Danbury, CT 06810
Phone (203) 798-9702
913 Post Rd
Fairfield, CT 06824
Phone (203) 259-7177
761 Main Ave
Ste 113
Norwalk, CT 06851
Phone (203) 845-2987
51 N Main St
Ste 3G
Southington, CT 06489
Phone (203) 389-8177
323 Riverside Ave
Westport, CT 06880
Phone (203) 221-7337
323 Riverside Ave
Ste 1
Westport, CT 06880
245 Amity Rd
Ste 207
Woodbridge, CT 06525
Phone (203) 389-8177
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Physical Medicine & Rehabilitation Physician
- Norwalk, CT
- NPI 1356906515
-
- Physical Therapy Clinic/Center
- Fairfield, CT
- NPI 1255590675
-
- Occupational Therapist
- Woodbridge, CT
- NPI 1518087758
Physical Therapist
-
- Occupational Therapist
- Southington, CT
- NPI 1922567544
Physical Therapist
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1337731200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774396800000",
"number": "1033479191",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "18444 N 25TH AVE STE 320",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850231266",
"telephone_number": "623-241-8682",
"fax_number": "480-499-8459"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "323 RIVERSIDE AVE",
"city": "WESTPORT",
"state": "CT",
"postal_code": "068804825",
"telephone_number": "203-845-2200"
}
],
"practiceLocations": [
{
"address_1": "53 Old Kings Hwy N",
"address_2": "suite 103",
"address_purpose": "LOCATION",
"city": "Darien",
"state": "CT",
"postal_code": "068204735",
"country_code": "US",
"telephone_number": "203-656-2229",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DEMPSEY",
"first_name": "MATTHEW",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2012-05-23",
"last_updated": "2026-03-25",
"certification_date": "2026-03-25",
"status": "A"
},
"taxonomies": [
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "NU",
"license": "009534",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Westport, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.