Active NPI
William J Sweet, RNP
- Nurse Practitioner
- Franklin, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- RN228620
- Practice address
- 1280 W Central St Ste 201
Franklin, MA 02038-3110 - Phone
- (508) 541-8000
- NPI assigned
- Jul 18, 2006
- Last updated
- Aug 27, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Nurse Practitioner | 363LP0200X | 228620 | MA | |
| Nurse Practitioner | 363L00000X | RN228620 | MA | Primary |
Addresses
Primary practice location
1280 W Central St Ste 201
Franklin, MA 02038-3110
Mailing address
9 Industrial Rd Ste 5
Milford, MA 01757-3736
Phone (508) 473-1480
Other practice location 1
300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0345181 | Medicaid | MA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 1998
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1280 W Central St
Suite 201
Franklin, MA 02038-3110
Phone (508) 541-8000
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 228620 | MA | MD | Pediatric Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Children's Hospital Pediatric Associates, Inc | Pediatrics | Current | Accepting new patients |
| Milford Regional Physician Group, Inc. | Current | Accepting new patients | |
| Umass Memorial Medical Group Inc | Nurse Practitioner | Current | Accepting new patients |
| Milford Regional Physician Group, Inc. | Current | Accepting new patients | |
| Umass Memorial Medical Group, Inc. | Current | Accepting new patients | |
| Franciscan Pediatrics, Inc. | Past | Accepting new patients | |
| Emerson Practice Associates, Inc. | Nurse Practitioner | Past | Accepting new patients |
| Franciscan Hospital for Children, Inc. | Past | Accepting new patients |
Locations
300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956
124 Grove St
Ste 305
Franklin, MA 02038
Phone (508) 473-7599
1280 W Central St
Ste 201
Franklin, MA 02038
Phone (508) 541-2436
1280 W Central St
Ste 202
Franklin, MA 02038
Phone (508) 541-2436
835 W Central St
Franklin, MA 02038
Phone (508) 541-8000
68A Main St
Ste 101
Medway, MA 02053
Phone (508) 533-6020
9 Industrial Rd
Ste 5
Milford, MA 01757
Phone (508) 473-1480
55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862
Interoperability endpoints
- sweet.william.tcma@direct.partners.masshiway.net
- wsweet33117@direct.bostonchildrens.org
Organizations & group practices 8
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.
-
- Internal Medicine Physician
- Milford, MA
- NPI 1902856024
-
- Internal Medicine Physician
- Worcester, MA
- NPI 1760445373
Nurse Practitioner
-
- Pediatrics Physician
- Boston, MA
- NPI 1457306664
-
dba Sports Medicine & Wellness in Medway
- Sports Medicine (Family Medicine) Physician
- Medway, MA
- NPI 1508681321
-
dba Urgent Care Express at Harrington
- Urgent Care Clinic/Center
- Oxford, MA
- NPI 1982381018
-
- Internal Medicine Physician
- Concord, MA
- NPI 1508020199
Nurse Practitioner
-
- Psychiatric Hospital Unit
- Boston, MA
- NPI 1710910427
-
- Pediatric Radiology Physician
- Boston, MA
- NPI 1154460020
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1153180800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756252800000",
"number": "1205855624",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9 INDUSTRIAL RD STE 5",
"city": "MILFORD",
"state": "MA",
"postal_code": "017573736",
"telephone_number": "508-473-1480"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1280 W CENTRAL ST STE 201",
"city": "FRANKLIN",
"state": "MA",
"postal_code": "020383110",
"telephone_number": "508-541-8000"
}
],
"practiceLocations": [
{
"address_1": "300 Longwood Ave",
"address_purpose": "LOCATION",
"city": "Boston",
"state": "MA",
"postal_code": "021155724",
"country_code": "US",
"telephone_number": "617-355-6000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SWEET",
"first_name": "WILLIAM",
"middle_name": "J",
"credential": "RNP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-18",
"last_updated": "2025-08-27",
"certification_date": "2025-08-27",
"status": "A"
},
"taxonomies": [
{
"code": "363LP0200X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Pediatrics",
"state": "MA",
"license": "228620",
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "MA",
"license": "RN228620",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0345181",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Franklin, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.