NPIMap

Organization Active NPI

Montgomery County Maryland Government

Doing business as Outpatient Addictions Services

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Rockville, MD
National Provider Identifier
1811394075
Registry record updated Sep 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Substance Use Disorder Rehabilitation Clinic/CenterTaxonomy code 261QR0405X
Legal business name
MONTGOMERY COUNTY MARYLAND GOVERNMENT
Doing business as
Outpatient Addictions Services
Practice address
1500 E Gude Dr
Rockville, MD 20850-5307
Phone
(240) 777-1671
NPI assigned
Dec 3, 2014
Last updated
Sep 18, 2025By the provider in NPPES
Organization subpart
Yes
Parent organization
MONTGOMERY COUNTY MARYLAND GOVERNMENTAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Sep 18, 2025

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

Authorized official

Name
Diana Azucena Cortez
Title
Mangament
Phone
(240) 672-6758

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Clinic/Center (Including Community Mental Health Center) 261QM0801X NU
State or Local Public Health Clinic/Center 261QP0905X NU
Substance Use Disorder Rehabilitation Clinic/Center 261QR0405X NU Primary

Addresses

Primary practice location

1500 E Gude Dr
Rockville, MD 20850-5307

Mailing address

401 Hungerford Dr FL 6
Rockville, MD 20850-4154
Phone (240) 777-2500

Other names 1

  • Outpatient Addictions Services Doing business as

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL NextGen Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040805001631 DC Part B Supplier - Clinic/Group Practice 4981675477 Receives reassigned benefits from 74 practitioners
20 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Silver Spring, MD; Wheaton, MD; Rockville, MD; Germantown, MD

Other NPIs on the same Medicare enrollment 20

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 20

National Provider Directory

National Provider Directory
Tax ID family
Dept of Addiction MNT99 organizations share this tax ID, including this one
Part of
Dept of Addiction MNT

Organizations with this tax ID in the same state 24

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 24

Locations

101 Monroe St
Rockville, MD 20850
Phone (240) 777-2400

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1417564800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1758153600000",
    "number": "1811394075",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 HUNGERFORD DR FL 6",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208504154",
            "telephone_number": "240-777-2500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E GUDE DR",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208505307",
            "telephone_number": "240-777-1671"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MONTGOMERY COUNTY MARYLAND GOVERNMENT",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "MONTGOMERY COUNTY MARYLAND GOVERNMENT",
        "enumeration_date": "2014-12-03",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A",
        "authorized_official_last_name": "CORTEZ",
        "authorized_official_first_name": "DIANA",
        "authorized_official_middle_name": "AZUCENA",
        "authorized_official_title_or_position": "MANGAMENT",
        "authorized_official_telephone_number": "240-672-6758"
    },
    "taxonomies": [
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "261QP0905X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Public Health, State or Local",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "NextGen",
            "affiliation": "N",
            "endpointDescription": "EHR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1500 E Gude Dr",
            "city": "Rockville",
            "state": "MD",
            "country_code": "US",
            "postal_code": "208505307",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "Outpatient Addictions Services",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Outpatient Addictions Services",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Rockville, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.