Active NPI
Kristofer Alexander Alexa
- Mental Health Counselor
- Londonderry, NH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- License
- 4938
- Practice address
- 47 Boulder Dr.
Londonderry, NH 03053 - Phone
- (603) 275-0725
- NPI assigned
- Dec 10, 2024
- Last updated
- Jul 30, 2025
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | LMHC10002624 | MA | |
| Mental Health Counselor | 101YM0800X | 10002624 | MA | |
| Mental Health Counselor | 101YM0800X | 4938 | NH | Primary |
Addresses
Primary practice location
47 Boulder Dr.
Londonderry, NH 03053
Mailing address
47 Boulder Dr.
Londonderry, NH 03053
Phone (603) 275-0725
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NH, MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Mental Health Counselor
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
170 Main St
Tewksbury, MA 01876-1765
Phone (781) 348-9041
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 10002624 | MA | MD | Mental Health Counselor |
| LMHC10002624 | MA | MD | Mental Health Counselor |
| 4938 | NH | MD | Mental Health Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Harbor Homes, Inc. | Mental Health | Current | Accepting new patients |
| Harbor Homes, Inc | Mental Health | Current | Accepting new patients |
| Total Wellness Centers, LLC | Current | Accepting new patients | |
| Total Wellness Centers, LLC | Current | Accepting new patients |
Locations
360 Merrimack St
Lawrence, MA 01843
Phone (978) 557-8800
170 Main St
#G48
Tewksbury, MA 01876
Phone (781) 348-9041
900 Memorial Ave
West Springfield, MA 01089
Phone (413) 739-9001
45 High St
Nashua, NH 03060
Phone (603) 821-7788
77 Northeastern Blvd
Nashua, NH 03062
Phone (603) 882-3616
77 Northeastern Blvd
Ste C
Nashua, NH 03062
8 Cadillac Dr
Ste 180
Brentwood, TN 37027
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba CleanSlate Centers
- Addiction Medicine (Internal Medicine) Physician
- West Springfield, MA
- NPI 1770816506
-
dba Cleanslate Centers
- Clinical Medical Laboratory
- Holyoke, MA
- NPI 1770020018
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1733788800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753833600000",
"number": "1194531574",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "47 BOULDER DR.",
"city": "LONDONDERRY",
"state": "NH",
"postal_code": "03053",
"telephone_number": "603-275-0725"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "47 BOULDER DR.",
"city": "LONDONDERRY",
"state": "NH",
"postal_code": "03053",
"telephone_number": "603-275-0725"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ALEXA",
"first_name": "KRISTOFER",
"middle_name": "ALEXANDER",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2024-12-10",
"last_updated": "2025-07-30",
"certification_date": "2025-07-30",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "MA",
"license": "LMHC10002624",
"primary": false
},
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "MA",
"license": "10002624",
"primary": false
},
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "NH",
"license": "4938",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Londonderry, NH
- Justine Adria Abel, RPH
- Adam P. Beck MD PC (New England Eye and Facial Specialists)
- Mary Adam, RN
- Adhvika Lakshmi PLLC (Townesquare dental)
- Agata a. Bartels DMD, PLLC (Apple Tree Orthodontics, PA)
- Alexander Enterprises, Inc. (Home Helpers of Londonderry)
- Joyce Anne Aliseo, APRN
- Allied Counseling for Women, LLC
- Alysha Cutts MSN Pmhnp-BC LLC
- Melissa Jane Amato, M.ED.,CCC/SLP
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.