Active NPI
Channing Taft Mendelsohn, LMHC
- Professional Counselor
- Lowell, MA
National Provider Identifier
1346285863
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Professional Counselor
- License
- 951
- Practice address
- 45 Merrimack St
Suite 200
Lowell, MA 01852-1729 - Phone
- (978) 459-2306
- Fax
- (978) 453-9394
- NPI assigned
- Jun 18, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | 951 | MA | Primary |
Addresses
Primary practice location
45 Merrimack St
Suite 200
Lowell, MA 01852-1729
Mailing address
45A Parker St
Watertown, MA 02472-3913
Phone (617) 926-7814
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 |
|---|---|---|---|
| 951 | MA | MD | Addiction (Substance Use Disorder) Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150588800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1346285863",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "45A PARKER ST",
"city": "WATERTOWN",
"state": "MA",
"postal_code": "024723913",
"telephone_number": "617-926-7814"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "45 MERRIMACK ST",
"address_2": "SUITE 200",
"city": "LOWELL",
"state": "MA",
"postal_code": "018521729",
"telephone_number": "978-459-2306",
"fax_number": "978-453-9394"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MENDELSOHN",
"first_name": "CHANNING",
"middle_name": "TAFT",
"name_prefix": "Mr.",
"credential": "LMHC",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-18",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "MA",
"license": "951",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lowell, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.