Active NPI
Matthew Shawn Duddy, D.C
- Chiropractor
- Avondale, PA
National Provider Identifier
1487736914
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Chiropractor
- License
- DC004583L
- Practice address
- 417 Pennsylvania Ave.
Avondale, PA 19311-0297 - Phone
- (610) 268-8122
- Fax
- (610) 268-3103
- NPI assigned
- Oct 20, 2006
- 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 |
|---|---|---|---|---|
| Chiropractor | 111N00000X | DC004583L | PA | Primary |
Addresses
Primary practice location
417 Pennsylvania Ave.
Avondale, PA 19311-0297
Mailing address
417 Pennsylvania Ave
Avondale, PA 19311-1120
Phone (610) 268-8122
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Chiropractic
- Education
- Life Chiropractic College - West, 1990
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
417 Pennsylvania Ave
Avondale, PA 19311-1120
Phone (610) 268-8122
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DC004583L | PA | MD | Chiropractor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Avondale Chiropractic PC | Chiropractor | Current | Accepting new patients |
Locations
417 Pennsylvania Ave
Avondale, PA 19311
Phone (610) 268-8122
Organizations & group practices 1
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.
-
- Chiropractor
- Avondale, PA
- NPI 1326214420
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1161302400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1764547200000",
"number": "1487736914",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "417 PENNSYLVANIA AVE",
"city": "AVONDALE",
"state": "PA",
"postal_code": "193111120",
"telephone_number": "610-268-8122",
"fax_number": "610-268-3103"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "417 PENNSYLVANIA AVE.",
"city": "AVONDALE",
"state": "PA",
"postal_code": "193110297",
"telephone_number": "610-268-8122",
"fax_number": "610-268-3103"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUDDY",
"first_name": "MATTHEW",
"middle_name": "SHAWN",
"name_prefix": "Dr.",
"credential": "D.C",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-10-20",
"last_updated": "2025-12-01",
"certification_date": "2025-12-01",
"status": "A"
},
"taxonomies": [
{
"code": "111N00000X",
"taxonomy_group": "",
"desc": "Chiropractor",
"state": "PA",
"license": "DC004583L",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Avondale, PA
- Chester County Pediatrics PC
- Cottage Family Chiropractic Center, P.C. (Thrive Chiropractic Studio)
- William Nels Cummings, DMD
- Dental Health and Healing
- Vanessa L Downing, PHD
- Edward Weitzman DO PA
- Carley England Fabian, BCBA
- April Theresa Feddor, DPT
- Jay S Feldstein, DO
- Francis Andrew Flomerfelt, DDS
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 1, 2025; 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.