Active NPI
Sarah J Serwa, LICSW
- Clinical Social Worker
- Greenfield, MA
National Provider Identifier
1598948713
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 114227
- Practice address
- 25 Bank Row St FL 3
Greenfield, MA 01301-3599 - Phone
- (413) 230-7945
- NPI assigned
- Dec 11, 2007
- Last updated
- May 8, 2026
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 114227 | MA | Primary |
Addresses
Primary practice location
25 Bank Row St FL 3
Greenfield, MA 01301-3599
Mailing address
21 Rosemary LN
Amherst, MA 01002-1138
Phone (413) 230-7945
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: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20080117000513 | MA | Practitioner - Clinical Social Worker | 4587745336 | Practice locations: Amherst, MA; Greenfield, MA |
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 1999
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
96 N Pleasant St
Suite 301
Amherst, MA 01002-1763
Phone (413) 230-7945
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 114227 | MA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1197331200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778198400000",
"number": "1598948713",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "21 ROSEMARY LN",
"city": "AMHERST",
"state": "MA",
"postal_code": "010021138",
"telephone_number": "413-230-7945"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "25 BANK ROW ST FL 3",
"city": "GREENFIELD",
"state": "MA",
"postal_code": "013013599",
"telephone_number": "413-230-7945"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SERWA",
"first_name": "SARAH",
"middle_name": "J",
"name_prefix": "Ms.",
"credential": "LICSW",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2007-12-11",
"last_updated": "2026-05-08",
"certification_date": "2026-05-08",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MA",
"license": "114227",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Greenfield, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 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.