NPIMap

Organization Active NPI

Montgomery County Maryland Government

Doing business as Dennis Avenue Clinic

  • State or Local Public Health Clinic/Center
  • Silver Spring, MD
National Provider Identifier
1629190756
Registry record updated Jan 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
State or Local Public Health Clinic/CenterTaxonomy code 261QP0905X
Legal business name
MONTGOMERY COUNTY MARYLAND GOVERNMENT
Doing business as
Dennis Avenue Clinic
Practice address
2000 Dennis Ave
Silver Spring, MD 20902-4136
Phone
(240) 777-1050
NPI assigned
Apr 6, 2007
Last updated
Jan 15, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
MONTGOMERY COUNTY MARYLAND GOVERNMENTAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jan 15, 2026

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

Authorized official

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Community Health Clinic/Center 261QC1500X NU
State or Local Public Health Clinic/Center 261QP0905X NU Primary
Infectious Disease Physician 207RI0200X NU

Addresses

Primary practice location

2000 Dennis Ave
Silver Spring, MD 20902-4136

Mailing address

401 Hungerford Dr FL 6
Rockville, MD 20850-4154
Phone (240) 777-4520

Other identifiers 1

IdentifierTypeStateIssuer
420880300MedicaidMD

Other names 2

  • Dennis Avenue Clinic Doing business as
  • Immunizations Dennis Other name

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

Practitioners & affiliated clinicians

Practitioners 1

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.

  • Rhoda Mwangi
    • Psychiatric/Mental Health Nurse Practitioner
    • Germantown, MD
    • NPI 1962115709
    NPD

NPI Registry JSON

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

{
    "created_epoch": "1175817600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768435200000",
    "number": "1629190756",
    "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": "240-777-4520"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2000 DENNIS AVE",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209024136",
            "telephone_number": "240-777-1050"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MONTGOMERY COUNTY MARYLAND GOVERNMENT",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "MONTGOMERY COUNTY MARYLAND GOVERNMENT",
        "enumeration_date": "2007-04-06",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A",
        "authorized_official_last_name": "CORTEZ",
        "authorized_official_first_name": "DIANA",
        "authorized_official_middle_name": "AZUCENA",
        "authorized_official_title_or_position": "MANAGEMENT",
        "authorized_official_telephone_number": "240-672-6758"
    },
    "taxonomies": [
        {
            "code": "261QC1500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Community Health",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "261QP0905X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Public Health, State or Local",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "420880300",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Dennis Avenue Clinic",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Immunizations Dennis",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Silver Spring, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 2026; 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.