Active NPI
McEllen E Lawrence
- Psychologist
- Cambridge, MA
National Provider Identifier
1992530653
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- Practice address
- 10 Concord Ave
Cambridge, MA 02138-2322 - Phone
- (617) 307-4470
- NPI assigned
- Sep 3, 2024
- 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 |
|---|---|---|---|---|
| Psychologist | 103T00000X | Primary |
Addresses
Primary practice location
10 Concord Ave
Cambridge, MA 02138-2322
Mailing address
899 Old Main Street Ext
Marshfield, MA 02050-2006
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": "1725321600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767657600000",
"number": "1992530653",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "899 OLD MAIN STREET EXT",
"city": "MARSHFIELD",
"state": "MA",
"postal_code": "020502006"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "10 CONCORD AVE",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021382322",
"telephone_number": "617-307-4470"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LAWRENCE",
"first_name": "MCELLEN",
"middle_name": "E",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-09-03",
"last_updated": "2026-01-06",
"certification_date": "2026-01-06",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Cambridge, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.