Active NPI
Sarah Ann Tsakalakos
- Behavior Analyst
- Chelmsford, MA
National Provider Identifier
1043017080
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Analyst
- License
- LABA10000382
- Practice address
- 248 Mill Rd
Chelmsford, MA 01824-4146 - Phone
- (978) 455-8244
- NPI assigned
- Feb 27, 2025
- Last updated
- Feb 27, 2025
- 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 | LABA10000382 | MA | Primary |
Addresses
Primary practice location
248 Mill Rd
Chelmsford, MA 01824-4146
Mailing address
11 Paige Dr
Merrimack, NH 03054-2837
Phone (978) 590-8852
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 |
|---|---|---|---|
| LABA10000382 | MA | MD | Behavioral Analyst |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1740614400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1740614400000",
"number": "1043017080",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "11 PAIGE DR",
"city": "MERRIMACK",
"state": "NH",
"postal_code": "030542837",
"telephone_number": "978-590-8852"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "248 MILL RD",
"city": "CHELMSFORD",
"state": "MA",
"postal_code": "018244146",
"telephone_number": "978-455-8244"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TSAKALAKOS",
"first_name": "SARAH",
"middle_name": "ANN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-02-27",
"last_updated": "2025-02-27",
"certification_date": "2025-02-27",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "MA",
"license": "LABA10000382",
"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 Feb 27, 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.