Individual provider Active NPI

Grady Matthew Gallagher

  • Clinical Psychologist
  • Las Vegas, NV
National Provider Identifier
1508500356
Registry record updated Mar 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
PY1229 Issued in NV
Practice address
4021 Manning Mountain St
Las Vegas, NV 89129-3257
Phone
(202) 489-1403
NPI assigned
Apr 26, 2022
Last updated
Mar 4, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 4, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X PY1229 NV Primary

Addresses

Primary practice location

4021 Manning Mountain St
Las Vegas, NV 89129-3257

Mailing address

8414 Farm Road
Ste 180 #1024
Las Vegas, NV 89131-8007
Phone (202) 489-1403

Other practice location 1

9930 O Loughlin Manor Ave
Las Vegas, NV 89149-1299
Phone (202) 489-1403

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NV
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
I20250217002657 NV Practitioner - Clinical Psychologist 5799205001 Practice locations: Las Vegas, NV

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Las Vegas, NV 89129
Phone (202) 489-1403

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PY1229NVMDClinical Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Gmgpsychology Clinical CurrentSince Jan 5, 2025 Accepting new patients

Locations

8414 Farm Rd
Ste 180
Las Vegas, NV 89131
Phone (702) 546-9600

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.

NPI Registry JSON

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

{
    "created_epoch": "1650931200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1508500356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8414 FARM ROAD",
            "address_2": "STE 180 #1024",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891318007",
            "telephone_number": "202-489-1403"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4021 MANNING MOUNTAIN ST",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891293257",
            "telephone_number": "202-489-1403"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9930 O Loughlin Manor Ave",
            "address_purpose": "LOCATION",
            "city": "Las Vegas",
            "state": "NV",
            "postal_code": "891491299",
            "country_code": "US",
            "telephone_number": "202-489-1403",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GALLAGHER",
        "first_name": "GRADY",
        "middle_name": "MATTHEW",
        "name_prefix": "Mr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-04-26",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "NV",
            "license": "PY1229",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Las Vegas, NV

Sources for this page

Verify at the official NPI Registry.