Active NPI
Marissa Brooke Melnikov, LMSW
- Clinical Social Worker
- Norwell, MA
National Provider Identifier
1891384087
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 128580
- Practice address
- 384 Washington St
Norwell, MA 02061-2010 - Phone
- (781) 871-6550
- NPI assigned
- Jan 13, 2021
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 128580 | MA | Primary |
Addresses
Primary practice location
384 Washington St
Norwell, MA 02061-2010
Mailing address
284 Hartford Ave
Bellingham, MA 02019-3000
Phone (508) 535-5863
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Feb 8, 2025 through Feb 8, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 61592 | TX | MD | Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1610496000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784160000000",
"number": "1891384087",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "284 HARTFORD AVE",
"city": "BELLINGHAM",
"state": "MA",
"postal_code": "020193000",
"telephone_number": "508-535-5863"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "384 WASHINGTON ST",
"city": "NORWELL",
"state": "MA",
"postal_code": "020612010",
"telephone_number": "781-871-6550"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MELNIKOV",
"first_name": "MARISSA",
"middle_name": "BROOKE",
"name_prefix": "Ms.",
"credential": "LMSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-01-13",
"last_updated": "2026-07-16",
"certification_date": "2026-07-16",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MA",
"license": "128580",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Norwell, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.