Individual provider Active NPI

Margaret Grace Cornish, LCSW

  • Clinical Social Worker
  • Pacific Grove, CA
National Provider Identifier
1205827722
Registry record updated Jan 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
17146 Issued in CA
Practice address
716 Lighthouse Ave Ste E
Pacific Grove, CA 93950
Phone
(831) 601-4247
Fax
(831) 417-0427
NPI assigned
Nov 3, 2005
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 2, 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 17146 CA Primary

Addresses

Primary practice location

716 Lighthouse Ave Ste E
Pacific Grove, CA 93950

Mailing address

PO Box 187
Monterey, CA 93942
Phone (831) 601-4247

Other names 1

  • Margaret G Downs Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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
I20041022000300 CA Practitioner - Clinical Social Worker 7517928617 Practice locations: Pacific Grove, CA

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

1018 Wainwright St
Monterey, CA 93940-2152

716 Lighthouse Ave
Suite E
Pacific Grove, CA 93950-2565
Phone (831) 601-4247

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
17146CAMDMarriage & Family Therapist

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1130976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767312000000",
    "number": "1205827722",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 187",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "93942",
            "telephone_number": "831-601-4247",
            "fax_number": "831-417-0427"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "716 LIGHTHOUSE AVE STE E",
            "city": "PACIFIC GROVE",
            "state": "CA",
            "postal_code": "93950",
            "telephone_number": "831-601-4247",
            "fax_number": "831-417-0427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CORNISH",
        "first_name": "MARGARET",
        "middle_name": "GRACE",
        "name_prefix": "Ms.",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2005-11-03",
        "last_updated": "2026-01-02",
        "certification_date": "2026-01-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "17146",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARGARET",
            "last_name": "DOWNS",
            "middle_name": "G",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Pacific Grove, CA

Sources for this page

Verify at the official NPI Registry.