Active NPI
Stephen Jason Sasso, PA-C
- Physician Assistant
- Enfield, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 4519
- Practice address
- 55 Hazard Ave
Enfield, CT 06082-3826 - Phone
- (855) 349-2828
- NPI assigned
- Jul 20, 2019
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Medical Physician Assistant | 363AM0700X | 4519 | CT | |
| Physician Assistant | 363A00000X | 4519 | CT | Primary |
| Physician Assistant | 363A00000X | PA9418 | MA | |
| Medical Physician Assistant | 363AM0700X | PA9418 | MA |
Addresses
Primary practice location
55 Hazard Ave
Enfield, CT 06082-3826
Mailing address
41 Brewster Rd Dept Levelc
Bristol, CT 06010-5141
Phone (860) 585-3433
Other practice location 1
263 Farmington Ave
Farmington, CT 06030-1104
Phone (860) 679-2588
Other practice location 2
999 Dalton Ave
Pittsfield, MA 01201-2903
Phone (413) 242-6577
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | ssasso93323@direct.med.uchc.edu | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT, NY, PA, MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
112 S Main St
Torrington, CT 06790-6429
Phone (860) 387-4365
1332 Peninsula Blvd
Hewlett, NY 11557-1226
Phone (516) 531-6130
135 E Main St
New Britain, CT 06051-1914
Phone (860) 357-6899
175 Webster Square Rd
Berlin, CT 06037-2328
Phone (860) 200-8095
179 Talcottville Rd
Vernon, CT 06066-4615
Phone (860) 986-7600
2 Main St
Danbury, CT 06810-8047
Phone (203) 826-2140
336 N Main St
West Hartford, CT 06117-2675
Phone (860) 200-7701
365 Queen St
Southington, CT 06489-1884
Phone (860) 863-5835
377 S Oyster Bay Rd
Plainview, NY 11803-3323
Phone (516) 537-9061
385 W Main St
Avon, CT 06001-4357
Phone (860) 777-6977
396 Cromwell Ave
Rocky Hill, CT 06067-1828
Phone (860) 372-4990
41 Brewster Rd
Bristol, CT 06010-5161
Phone (860) 585-3000
539 Farmington Ave
Bristol, CT 06010-3931
Phone (860) 314-6046
7 Mill Pond Dr
Suite a
Granby, CT 06035-2637
Phone (860) 323-3164
775 Queen St
Southington, CT 06489-1531
Phone (860) 777-1281
875 E Main St
Meriden, CT 06450-6006
Phone (475) 343-3483
Hospital & facility affiliations
- John Dempsey Hospital of the University of Connect
Merit-based Incentive Payment System (MIPS)
- Final score
- 91.85 of 100
- Quality
- 79.23
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 77.63 of 100
- Quality
- 62.23
- Improvement activities
- 40
- Cost
- 81.29
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.07 of 100
- Quality
- 79.77
- Promoting interoperability
- 88.77
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 81.78 of 100
- Quality
- 85.61
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 46.45
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.62 of 100
- Quality
- 84.96
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4519 | CT | MD | Medical Physician Assistant |
| PA9418 | MA | MD | Medical Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Medexpress Urgent Care, PC - Massachusetts | Current | Accepting new patients | |
| Afc Physicians of Connecticut, PC | Current | Accepting new patients | |
| State of Connecticut | Current | Accepting new patients | |
| State of Connecticut | Current | Accepting new patients | |
| Trinity Health of New England Provider Network Organization Inc | Current | Accepting new patients | |
| Afc Physicians of Massachusetts, PC | Current | Accepting new patients | |
| Medexpress Urgent Care Connecticut, P.C. | Current | Accepting new patients | |
| Afc Physicians of Massachusetts | Current | Accepting new patients | |
| Convenientmd - FFS UC LLC | Current | Accepting new patients | |
| Medexpress Urgent Care, PC - Massachusetts | Current | Accepting new patients | |
| Nes Medical Services of Northern Connecticut, P.C. | Current | Accepting new patients | |
| Convenientmd - FFS UC LLC | Current | Accepting new patients | |
| Afc Physicians of Massachusetts, PC | Current | Accepting new patients | |
| Afc Physicians of Connecticut, PC | Current | Accepting new patients | |
| WRK Ventures, LLC | Past | Accepting new patients | |
| Convenientmd LLC | Past | Accepting new patients | |
| Convenientmd - FFS UC LLC | Past | Accepting new patients |
Locations
2 Main St
Danbury, CT 06810
Phone (203) 826-2140
68 Division St
Derby, CT 06418
Phone (203) 732-6802
263 Farmington Ave
Farmington, CT 06030
Phone (860) 679-4477
114 Woodland St
Hartford, CT 06105
Phone (860) 714-4001
320 Pomfret St
Putnam, CT 06260
Phone (860) 963-6331
245 Hartford Ave
Bellingham, MA 02019
Phone (774) 295-4355
1505 Memorial Dr
Chicopee, MA 01020
Phone (413) 331-4336
370 Providence Hwy
Dedham, MA 02026
Phone (781) 461-0200
40 Davis Straits
Falmouth, MA 02540
Phone (774) 255-3010
999 Dalton Ave
Pittsfield, MA 01201
Phone (413) 242-6577
430 Cooley St
Springfield, MA 01128
Phone (413) 295-4144
1312 Boston Rd
Springfield, MA 01119
Phone (413) 264-6029
415 Cooley St
Unit 3
Springfield, MA 01128
Phone (413) 782-4878
360 US Highway 1 Byp
Unit 102
Portsmouth, NH 03801
Phone (603) 410-6700
111 New Hampshire Ave
Portsmouth, NH 03801
Interoperability endpoints
- ssasso93323@direct.med.uchc.edu
- stephen.sasso@ghuc.eclinicaldirectplus.com
- ssasso70159@northwell.direct-ci.com
- stephen.sasso@xdr.hhchealthdirect.org
- ssasso3434337@direct.trinity-health.org
Organizations & group practices 28
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Urgent Care Clinic/Center
- Danbury, CT
- NPI 1003152984
-
- General Practice Physician
- Bristol, CT
- NPI 1649265679
-
- Urgent Care Clinic/Center
- Avon, CT
- NPI 1093239683
-
- Urgent Care Clinic/Center
- Rockville Centre, NY
- NPI 1679970891
-
- Emergency Medicine Physician
- Putnam, CT
- NPI 1447231865
-
- General Acute Care Hospital
- Farmington, CT
- NPI 1669466561
-
- Urgent Care Clinic/Center
- Springfield, MA
- NPI 1902123276
-
- Urgent Care Clinic/Center
- Hadley, MA
- NPI 1558882845
-
- Internal Medicine Physician
- Hartford, CT
- NPI 1003882812
-
- Emergency Medicine Physician
- Bristol, CT
- NPI 1285713099
-
- Urgent Care Clinic/Center
- Worcester, MA
- NPI 1790528628
-
- Emergency Medicine Physician
- Far Rockaway, NY
- NPI 1639160385
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Psychiatric Hospital Unit
- Middletown, CT
- NPI 1154263713
-
- General Acute Care Hospital
- Farmington, CT
- NPI 1669466561
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1563580800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773187200000",
"number": "1760035547",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "41 BREWSTER RD DEPT LEVELC",
"city": "BRISTOL",
"state": "CT",
"postal_code": "060105141",
"telephone_number": "860-585-3433"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "55 HAZARD AVE",
"city": "ENFIELD",
"state": "CT",
"postal_code": "060823826",
"telephone_number": "855-349-2828"
}
],
"practiceLocations": [
{
"address_1": "263 Farmington Ave",
"address_purpose": "LOCATION",
"city": "Farmington",
"state": "CT",
"postal_code": "060301104",
"country_code": "US",
"telephone_number": "860-679-2588",
"fax_number": "860-679-4015",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "999 Dalton Ave",
"address_purpose": "LOCATION",
"city": "Pittsfield",
"state": "MA",
"postal_code": "012012903",
"country_code": "US",
"telephone_number": "413-242-6577",
"fax_number": "473-943-6637",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SASSO",
"first_name": "STEPHEN",
"middle_name": "JASON",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-07-20",
"last_updated": "2026-03-11",
"certification_date": "2026-03-11",
"status": "A"
},
"taxonomies": [
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "CT",
"license": "4519",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CT",
"license": "4519",
"primary": true
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "MA",
"license": "PA9418",
"primary": false
},
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "MA",
"license": "PA9418",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "ssasso93323@direct.med.uchc.edu",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "263 Farmington Ave",
"city": "Farmington",
"state": "CT",
"country_code": "US",
"postal_code": "060301104",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Enfield, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 2026; 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.