Individual provider Active NPI

Margaret Elizabeth Grant

  • Behavior Analyst
  • Castle Rock, CO
National Provider Identifier
1205343639
Registry record updated Oct 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
License
1-25-84485 Issued in CO
Practice address
1585 S Perry St
Castle Rock, CO 80104-1976
Phone
(303) 409-4006
NPI assigned
Jan 8, 2018
Last updated
Oct 31, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 31, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Analyst 103K00000X 1-25-84485 CO Primary
Assistant Behavior Analyst 106E00000X
Behavior Technician 106S00000X 19-88471

Addresses

Primary practice location

1585 S Perry St
Castle Rock, CO 80104-1976

Mailing address

1585 S Perry St
Castle Rock, CO 80104-1976
Phone (303) 409-4006

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Autism Home Support Services, Inc Behavior Analyst CurrentSince Jan 1, 2021 Accepting new patients
Central Michigan Care Inc Behavior Analyst Past Accepting new patients
Central Michigan Care, Inc. Past Accepting new patients

Locations

8008 E Arapahoe Ct
Centennial, CO 80112
Phone (847) 807-3917

5 Revere Dr
Ste 120
Northbrook, IL 60062
Phone (847) 807-3717

Organizations & group practices 3

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": "1515369600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761868800000",
    "number": "1205343639",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1585 S PERRY ST",
            "city": "CASTLE ROCK",
            "state": "CO",
            "postal_code": "801041976",
            "telephone_number": "303-409-4006"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1585 S PERRY ST",
            "city": "CASTLE ROCK",
            "state": "CO",
            "postal_code": "801041976",
            "telephone_number": "303-409-4006"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRANT",
        "first_name": "MARGARET",
        "middle_name": "ELIZABETH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-01-08",
        "last_updated": "2025-10-31",
        "certification_date": "2025-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "CO",
            "license": "1-25-84485",
            "primary": true
        },
        {
            "code": "106E00000X",
            "taxonomy_group": "",
            "desc": "Assistant Behavior Analyst",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": null,
            "license": "19-88471",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Castle Rock, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 31, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.