Active NPI
Marissa La Hair, DNP, FNP-BC
- Family Nurse Practitioner
- Concord, MA
National Provider Identifier
1497637102
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- RN2354513
- Practice address
- 330 Baker Ave
Concord, MA 01742-2129 - Phone
- (978) 287-9300
- NPI assigned
- Jul 23, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | RN2354513 | MA | |
| Family Nurse Practitioner | 363LF0000X | RN2354513 | MA | Primary |
Addresses
Primary practice location
330 Baker Ave
Concord, MA 01742-2129
Mailing address
330 Baker Ave
Concord, MA 01742-2129
Phone (978) 287-9300
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN2354513 | MA | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1753228800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784505600000",
"number": "1497637102",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "330 BAKER AVE",
"city": "CONCORD",
"state": "MA",
"postal_code": "017422129",
"telephone_number": "978-287-9300"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "330 BAKER AVE",
"city": "CONCORD",
"state": "MA",
"postal_code": "017422129",
"telephone_number": "978-287-9300"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LA HAIR",
"first_name": "MARISSA",
"credential": "DNP, FNP-BC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-07-23",
"last_updated": "2026-07-20",
"certification_date": "2026-07-20",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "MA",
"license": "RN2354513",
"primary": false
},
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MA",
"license": "RN2354513",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Concord, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 2026; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.