Active NPI
Olivia Duffy
- Physical Therapist
- Middleton, MA
National Provider Identifier
1144164237
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- PTL25799
- Practice address
- 35 Village Rd Ste 100
Middleton, MA 01949-1238 - Phone
- (857) 557-5010
- Fax
- (857) 557-5040
- NPI assigned
- Apr 17, 2026
- Last updated
- Apr 17, 2026
- Sex
- Female
- Sole proprietor
- No
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 | PTL25799 | MA | Primary |
Addresses
Primary practice location
35 Village Rd Ste 100
Middleton, MA 01949-1238
Mailing address
35 Village Rd Ste 100
Middleton, MA 01949-1238
Phone (857) 557-5010
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PTL25799 | MA | MD | Physical Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1776384000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776384000000",
"number": "1144164237",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "35 VILLAGE RD STE 100",
"city": "MIDDLETON",
"state": "MA",
"postal_code": "019491238",
"telephone_number": "857-557-5010",
"fax_number": "857-557-5040"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "35 VILLAGE RD STE 100",
"city": "MIDDLETON",
"state": "MA",
"postal_code": "019491238",
"telephone_number": "857-557-5010",
"fax_number": "857-557-5040"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUFFY",
"first_name": "OLIVIA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-04-17",
"last_updated": "2026-04-17",
"certification_date": "2026-04-17",
"status": "A"
},
"taxonomies": [
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "MA",
"license": "PTL25799",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Middleton, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.