Individual provider Active NPI

Rachel Lang Caso, LICSW

  • Clinical Social Worker
  • Boston, MA
National Provider Identifier
1922651199
Registry record updated Jul 17, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
122013 Issued in MA
Practice address
133 Brookline Ave
Boston, MA 02215-3904
Phone
(617) 421-2952
NPI assigned
Jul 17, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 17, 2019

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 122013 MA Primary

Addresses

Primary practice location

133 Brookline Ave
Boston, MA 02215-3904

Mailing address

133 Brookline Ave
Boston, MA 02215-3904
Phone (617) 421-2952

Other names 1

  • Ms. Rachel Russ Lang Former name

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191009000778 MA Practitioner - Clinical Social Worker 8224369012 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
122013MAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Atrius Health, Inc. CurrentSince Oct 9, 2025 Accepting new patients

Locations

133 Brookline Ave
Boston, MA 02215
Phone (617) 421-1000

Interoperability endpoints

  • Direct secure messaging: rcasolicsw181694@direct.atrius.masshiway.net

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": "1563321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1563321600000",
    "number": "1922651199",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "133 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022153904",
            "telephone_number": "617-421-2952"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022153904",
            "telephone_number": "617-421-2952"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASO",
        "first_name": "RACHEL",
        "middle_name": "LANG",
        "name_prefix": "Mrs.",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-07-17",
        "last_updated": "2019-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "122013",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "RACHEL",
            "last_name": "LANG",
            "middle_name": "RUSS",
            "prefix": "MS.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.