Active NPI
Brian K. Henderson, LMHC, LMFT
- Marriage & Family Therapist
- Chelmsford, MA
National Provider Identifier
1659449387
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 1214
- Practice address
- 235 Billerica Rd
Chelmsford, MA 01824-3628 - Phone
- (978) 930-9393
- Fax
- (978) 663-3345
- NPI assigned
- Dec 1, 2006
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | 5226 | MA | |
| Marriage & Family Therapist | 106H00000X | 1214 | MA | Primary |
Addresses
Primary practice location
235 Billerica Rd
Chelmsford, MA 01824-3628
Mailing address
31 Sprague St
N Billerica, MA 01862-1448
Phone (978) 930-9393
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 |
|---|---|---|---|
| 1214 | MA | MD | Marriage & Family Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1164931200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1659449387",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "31 SPRAGUE ST",
"city": "N BILLERICA",
"state": "MA",
"postal_code": "018621448",
"telephone_number": "978-930-9393",
"fax_number": "978-663-3345"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "235 BILLERICA RD",
"city": "CHELMSFORD",
"state": "MA",
"postal_code": "018243628",
"telephone_number": "978-930-9393",
"fax_number": "978-663-3345"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HENDERSON",
"first_name": "BRIAN",
"middle_name": "K.",
"name_prefix": "Mr.",
"credential": "LMHC, LMFT",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-12-01",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "MA",
"license": "5226",
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "MA",
"license": "1214",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chelmsford, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.