Active NPI
Caroline Hootstein, MS, RD, LDN, CNSC
- Registered Dietitian
- Cambridge, MA
National Provider Identifier
1205622784
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- LDN4846
- Practice address
- 330 Mount Auburn St
Cambridge, MA 02138-5502 - Phone
- (401) 400-0601
- NPI assigned
- Apr 19, 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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | LDN4846 | MA | Primary |
Addresses
Primary practice location
330 Mount Auburn St
Cambridge, MA 02138-5502
Mailing address
330 Mount Auburn St
Cambridge, MA 02138-5502
Phone (401) 400-0601
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
- Credentials
- Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LDN4846 | MA | MD | Registered Dietitian |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Nourish, Inc. | Dietitian, Registered | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1745020800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1745193600000",
"number": "1205622784",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "330 MOUNT AUBURN ST",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021385502",
"telephone_number": "401-400-0601"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "330 MOUNT AUBURN ST",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021385502",
"telephone_number": "401-400-0601"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOOTSTEIN",
"first_name": "CAROLINE",
"credential": "MS, RD, LDN, CNSC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-04-19",
"last_updated": "2025-04-21",
"certification_date": "2025-04-21",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "MA",
"license": "LDN4846",
"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 Apr 21, 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.