Active NPI
Emily Vennart Nielson, M.S.
- Mental Health Counselor
- Cambridge, MA
National Provider Identifier
1316855034
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- Practice address
- 875 Massachusetts Ave # 4-1
Cambridge, MA 02139-3067 - Phone
- (617) 203-6377
- NPI assigned
- Sep 1, 2026
- 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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | Primary |
Addresses
Primary practice location
875 Massachusetts Ave # 4-1
Cambridge, MA 02139-3067
Mailing address
875 Massachusetts Ave # 4-1
Cambridge, MA 02139-3067
Phone (617) 203-6377
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788220800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788220800000",
"number": "1316855034",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "875 MASSACHUSETTS AVE # 4-1",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021393067",
"telephone_number": "617-203-6377"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "875 MASSACHUSETTS AVE # 4-1",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021393067",
"telephone_number": "617-203-6377"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NIELSON",
"first_name": "EMILY",
"middle_name": "VENNART",
"credential": "M.S.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-09-01",
"last_updated": "2026-09-01",
"certification_date": "2026-09-01",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"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 Sep 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.