Active NPI
Colleen Denslow, BCBA
- Behavior Analyst
- Manchester, NH
National Provider Identifier
1366900029
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Analyst
- License
- 1-11-8057
- Practice address
- 45 W Haven Rd
Manchester, NH 03104-2827 - Phone
- (603) 486-6788
- NPI assigned
- Mar 12, 2019
- 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 |
|---|---|---|---|---|
| Behavior Analyst | 103K00000X | 1-11-8057 | NH | Primary |
Addresses
Primary practice location
45 W Haven Rd
Manchester, NH 03104-2827
Mailing address
45 W Haven Rd
Manchester, NH 03104-2827
Phone (603) 486-6788
Other names 1
- Colleen Cassidy
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1552348800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756080000000",
"number": "1366900029",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "45 W HAVEN RD",
"city": "MANCHESTER",
"state": "NH",
"postal_code": "031042827",
"telephone_number": "603-486-6788"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "45 W HAVEN RD",
"city": "MANCHESTER",
"state": "NH",
"postal_code": "031042827",
"telephone_number": "603-486-6788"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DENSLOW",
"first_name": "COLLEEN",
"credential": "BCBA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2019-03-12",
"last_updated": "2025-08-25",
"certification_date": "2025-08-25",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "NH",
"license": "1-11-8057",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "COLLEEN",
"last_name": "CASSIDY",
"credential": "BCBA",
"code": "1",
"type": "Former Name"
}
]
}Other providers in Manchester, NH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 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.