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MARIANA RUIZ LCPC
NPI 1821656257
Counselor - Professional in Rockville, MD

Active since May 31, 2019PECOS Enrolled
200 WOOD HILL RD, ROCKVILLE, MD 20850(301) 816-2624 Get Directions Write a Review

NPPES record last updated: February 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 26, 2025, Oct 23, 2022, May 31, 2019 (3 updates tracked since 2019).

About Mariana Ruiz Lcpc NPPES

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

MARIANA RUIZ LCPC (NPI 1821656257) is an individual professional provider in Rockville, Maryland, licensed in Maryland (LC12850) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821656257
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMARIANA RUIZCredential: LCPC
Location Address200 WOOD HILL RDRockville, MD 20850-8724
Mailing Address2333 Ontario Rd NwWashington, DC 20009-2627 · (202) 483-0302
Phone(301) 816-2624
Sole ProprietorNo
Enumeration DateMay 31, 2019
Last NPPES UpdateFebruary 26, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2025
✔ NPI 1821656257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Licenses✔ Licensed in MD · LC12850✔ Licensed in MD · LGP9507
200 WOOD HILL RD, Rockville, MD 20850
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mariana Ruiz Lcpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mariana Ruiz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jewish Social Service Agency
Same address
Psychologist
200 WOOD HILL RD
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia enrollment
  • 35 clinicians in this Medicare group
NPI 1174776900 (301) 838-4200
Mary's Center For Maternal And Child Care Inc
11 mi
Federally Qualified Health Center (FQHC)
344 UNIVERSITY BLVD W
Silver Spring, MD 20901
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Marys Center For Maternal And Child Care Inc
  • 175 clinicians in this Medicare group
NPI 1174011563 (202) 483-8196

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

KIRSTEN SIDELL LCMFT
Marriage & Family Therapist
200 WOOD HILL RD
ROCKVILLE, MD 20850
Montgomery County (301) 838-4200
MARY CATHERINE LARKIN
Social Worker
200 WOOD HILL RD
ROCKVILLE, MD 20850
Montgomery County (301) 838-4200
LAURA LYN ZYNDA LMSW
Social Worker
200 WOOD HILL RD
ROCKVILLE, MD 20850
Montgomery County (240) 800-5772
LEAH SINGMAN LMSW
Social Worker (Clinical)
200 WOOD HILL RD
ROCKVILLE, MD 20850
Montgomery County (240) 800-5772
MR. STEVEN BRIAN WECHSLER LCSW-C
Social Worker (Clinical)
200 WOOD HILL RD
ROCKVILLE, MD 20850
Montgomery County (301) 838-4200
OLGALIDIA ROSAS LCSW-C
Social Worker (Clinical)
200 WOOD HILL RD
ROCKVILLE, MD 20850
Montgomery County (240) 800-5772
CHRISTINE SYLVEST PH.D.
Psychologist (Clinical)
200 WOOD HILL RD
ROCKVILLE, MD 20850
Montgomery County (301) 838-4200
JESSICA CAMPAIN LGPC
Counselor (Professional)
200 WOOD HILL RD
ROCKVILLE, MD 20850
Montgomery County (301) 838-4200

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 Mariana Ruiz's NPI number?

The NPI number for Mariana Ruiz is 1821656257. It was assigned to this individual provider in the NPPES registry on May 31, 2019.

Where is Mariana Ruiz located?

Mariana Ruiz practices at 200 Wood Hill Rd, Rockville, MD 20850. The listed phone number is (301) 816-2624.

What is Mariana Ruiz's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Mariana Ruiz enrolled in Medicare?

Yes. Mariana Ruiz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mariana Ruiz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariana Ruiz reassigns Medicare benefits to 2 organizations: Jewish Social Service Agency (Rockville, MD) and Mary's Center For Maternal And Child Care Inc (Silver Spring, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mariana Ruiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mariana Ruiz was last updated on February 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.