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MONTGOMERY COUNTY MARYLAND GOVERNMENT
NPI 1811394075
Clinic/Center - Rehabilitation, Substance Use Disorder in Rockville, MD

Active since December 03, 2014
1500 E GUDE DR, ROCKVILLE, MD 20850(240) 777-1671 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 18, 2025, Sep 9, 2025, Aug 13, 2024 and 1 more (4 updates tracked since 2024).

About Montgomery County Maryland Government NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MONTGOMERY COUNTY MARYLAND GOVERNMENT (NPI 1811394075), doing business as Outpatient Addictions Services, is a healthcare organization registered as a rehabilitation, substance use disorder in Rockville, Maryland and active in the NPI registry since December 2014. The organization lists Diana Azucena Cortez, Mangament, as its authorized official.

NPPES Registry Identity

NPI1811394075
Entity TypeOrganization
Primary Taxonomy261QR0405X
Legal Business NameMONTGOMERY COUNTY MARYLAND GOVERNMENT
Location Address1500 E GUDE DRRockville, MD 20850-5307
Mailing Address401 Hungerford Dr Fl 6Rockville, MD 20850-4154 · (240) 777-2500
Phone(240) 777-1671
Organization SubpartYes
Authorized OfficialDiana Azucena CortezMangament · (240) 672-6758
Enumeration DateDecember 3, 2014
Last NPPES UpdateSeptember 18, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
✔ NPI 1811394075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · Rehabilitation, Substance Use DisorderAmbulatory Health Care Facilities
Taxonomy Code261QR0405X
Also ListedClinic/Center · Mental Health (Including Community Mental Health Center)Taxonomy 261QM0801X
Also ListedClinic/Center · Public Health, State or LocalTaxonomy 261QP0905X
1500 E GUDE DR, Rockville, MD 20850
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Other Names 1

Doing Business AsOutpatient Addictions Services

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STANISLAV MALOV M.D.
Anesthesiology (Addiction Medicine)
1500 E GUDE DR
ROCKVILLE, MD 20850
Montgomery County (240) 777-1680
MOBILE MEDICAL CARE, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
1500 E GUDE DR
ROCKVILLE, MD 20850
Montgomery County (301) 493-2400
RICHARD THAXTON
Social Worker
1500 E GUDE DR
ROCKVILLE, MD 20850
Montgomery County (240) 777-0311
HEATHER MCGRATH LCPC
Counselor (Mental Health)
1500 E GUDE DR
ROCKVILLE, MD 20850
Montgomery County (240) 777-4136
THERESE FOTABONG BINFON DNP, MSN-ED, RN
Registered Nurse (Addiction (Substance Use Disorder))
1500 E GUDE DR
ROCKVILLE, MD 20850
Montgomery County (240) 777-4857
CINDY GUO
Nurse Practitioner (Family)
1500 E GUDE DR
ROCKVILLE, MD 20850
Montgomery County (301) 493-2400
JEFFREY LEE MUELLER LCSW-C
Social Worker (Clinical)
1500 E GUDE DR
ROCKVILLE, MD 20850
Montgomery County (240) 777-1720
FUNGISAI JULIET MARUMAHOKO BSN, RN
Registered Nurse
1500 E GUDE DR
ROCKVILLE, MD 20850
Montgomery County (240) 777-1684

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Montgomery County Maryland Government's NPI number?

The NPI number for Montgomery County Maryland Government is 1811394075. It was assigned to this organization in the NPPES registry on December 3, 2014. The provider is doing business as Outpatient Addictions Services.

Where is Montgomery County Maryland Government located?

Montgomery County Maryland Government is located at 1500 E Gude Dr, Rockville, MD 20850. The listed phone number is (240) 777-1671.

What is Montgomery County Maryland Government's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rehabilitation, Substance Use Disorder, with taxonomy code 261QR0405X.

When was this NPI record last updated?

The NPPES record for Montgomery County Maryland Government was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.