Individual provider Active NPI

Samuel Kellogg, LCSW

  • Clinical Social Worker
  • North Chelmsford, MA
National Provider Identifier
1477028363
Registry record updated Jun 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
093682 Issued in NY
Practice address
25 Wellman Ave
North Chelmsford, MA 01863-1334
Phone
(978) 251-4050
NPI assigned
Oct 8, 2018
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 8, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 093682 NY Primary

Addresses

Primary practice location

25 Wellman Ave
North Chelmsford, MA 01863-1334

Mailing address

200 Swanton St Apt 320
Winchester, MA 01890-4316

Other practice location 1

134 N 4th St
Brooklyn, NY 11249-3296
Phone (646) 450-7748

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230602000777 NY Practitioner - Clinical Social Worker 1456718642 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Valera Medical PCGroup PAC ID 0547690521, 160 clinicians

Practice addresses (Care Compare)

134 N 4TH St
Brooklyn, NY 11249-3296
Phone (646) 450-7748

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
121488MAMDSchool Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Valera Medical, P.C. Clinical CurrentSince May 1, 2023 Accepting new patients
Lighthouse School, Inc. Past Accepting new patients

Locations

134 N 4th St
Brooklyn, NY 11249

139 Centre St
Ste 824
New York, NY 10013
Phone (646) 450-7751

Organizations & group practices 2

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": "1538956800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1477028363",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 SWANTON ST APT 320",
            "city": "WINCHESTER",
            "state": "MA",
            "postal_code": "018904316"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 WELLMAN AVE",
            "city": "NORTH CHELMSFORD",
            "state": "MA",
            "postal_code": "018631334",
            "telephone_number": "978-251-4050"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "134 N 4th St",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112493296",
            "country_code": "US",
            "telephone_number": "646-450-7748",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KELLOGG",
        "first_name": "SAMUEL",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-10-08",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "093682",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in North Chelmsford, MA

Sources for this page

Verify at the official NPI Registry.