Active NPI
Lucy Hemmendinger, LMHC
- Mental Health Counselor
- Northampton, MA
National Provider Identifier
1407898638
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- License
- 5311
- Practice address
- 16 Center St
Suite 403
Northampton, MA 01060 - Phone
- (413) 367-7538
- NPI assigned
- Jun 12, 2006
- 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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | 5311 | MA | Primary |
Addresses
Primary practice location
16 Center St
Suite 403
Northampton, MA 01060
Mailing address
27 E Taylor Hill Rd
Montague, MA 01351-9508
Phone (413) 367-7538
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| LM0938 | Other | MA | BC/BS OF MA PROVIDER # |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Apr 29, 2024 through Apr 29, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 5311 | MA | MD | Speech-Language Pathologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150070400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1407898638",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "27 E TAYLOR HILL RD",
"city": "MONTAGUE",
"state": "MA",
"postal_code": "013519508",
"telephone_number": "413-367-7538"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16 CENTER ST",
"address_2": "SUITE 403",
"city": "NORTHAMPTON",
"state": "MA",
"postal_code": "01060",
"telephone_number": "413-367-7538"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HEMMENDINGER",
"first_name": "LUCY",
"name_prefix": "Ms.",
"credential": "LMHC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-06-12",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "MA",
"license": "5311",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BC/BS OF MA PROVIDER #",
"identifier": "LM0938",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Northampton, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.