Active NPI
Sierra Freedberg
- Community Health Worker
- Lynnfield, MA
National Provider Identifier
1821719618
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Community Health Worker
- Practice address
- 6 Kimball LN Ste 301
Lynnfield, MA 01940-2682 - Phone
- (781) 246-2010
- NPI assigned
- Sep 8, 2022
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Community Health Worker | 172V00000X | Primary |
Addresses
Primary practice location
6 Kimball LN Ste 301
Lynnfield, MA 01940-2682
Mailing address
6 Kimball LN Ste 301
Lynnfield, MA 01940-2682
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Mental Health Counselor
- Education
- Other, 2023
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
190 Lenox St
Norwood, MA 02062-3416
Phone (781) 769-8670
6 Kimball LN
Lynnfield, MA 01940-2682
Phone (781) 246-2010
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Community/Behavioral Health Agency
- Norwood, MA
- NPI 1780791467
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1662595200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774396800000",
"number": "1821719618",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6 KIMBALL LN STE 301",
"city": "LYNNFIELD",
"state": "MA",
"postal_code": "019402682"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6 KIMBALL LN STE 301",
"city": "LYNNFIELD",
"state": "MA",
"postal_code": "019402682",
"telephone_number": "781-246-2010"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FREEDBERG",
"first_name": "SIERRA",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2022-09-08",
"last_updated": "2026-03-25",
"certification_date": "2026-03-25",
"status": "A"
},
"taxonomies": [
{
"code": "172V00000X",
"taxonomy_group": "",
"desc": "Community Health Worker",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lynnfield, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 25, 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.
- 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.