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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MIRIAM MERIN LCSW
NPI 1154113579
Social Worker - Clinical in Arlington, VA

Active since May 21, 2025PECOS Enrolled
1530 WILSON BLVD STE 650, ARLINGTON, VA 22209(202) 599-6149 Get Directions Write a Review

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

Record update history: Aug 26, 2026, May 21, 2025 (2 updates tracked since 2025).

About Miriam Merin Lcsw NPPES

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

MIRIAM MERIN LCSW (NPI 1154113579) is an individual clinical provider in Arlington, Virginia, licensed in Virginia (0904018400) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154113579
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMIRIAM MERINCredential: LCSW
Location Address1530 WILSON BLVD STE 650Arlington, VA 22209-2455
Mailing Address1530 Wilson Blvd Ste 650Arlington, VA 22209-2455 · (202) 599-6149
Phone(202) 599-6149
Sole ProprietorNo
Enumeration DateMay 21, 2025
Last NPPES UpdateAugust 26, 20262 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1154113579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in VA · 0904018400
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1530 WILSON BLVD STE 650, Arlington, VA 22209
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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)

Miriam Merin Lcsw 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 Reassignment

Medicare enrollment records show Miriam Merin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psych Associates Of Maryland LLC
44 mi
Psychologist
1447 YORK RD STE 601
Timonium, MD 21093
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 191 clinicians in this Medicare group
NPI 1891721981 (410) 823-6408

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22209 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

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

KEVIN RICHARDSON
Counselor (Professional)
1530 WILSON BLVD STE 650
ARLINGTON, VA 22209
Arlington County (703) 539-2679
MS. KAREN DURANA PT
Physical Therapist
1530 WILSON BLVD STE 650
ARLINGTON, VA 22209
Arlington County (202) 810-4149
GABRIELA TREVIZAN NUNES LMT
Massage Therapist
1530 WILSON BLVD STE 650
ARLINGTON, VA 22209
Arlington County (703) 261-9243
INNOVATIVE HEALTH SERVICES LLC
Internal Medicine
1530 WILSON BLVD STE 650
ARLINGTON, VA 22209
Arlington County (703) 621-1572
DR. AMI LYNCH MSW, PHD, LCSW LICSW
Social Worker (Clinical)
1530 WILSON BLVD STE 650
ARLINGTON, VA 22209
Arlington County (202) 780-9302
AWARENESS TRANSFORMATION EMPOWERMENT CONNECT, LLC
Social Worker (Clinical)
1530 WILSON BLVD STE 650
ARLINGTON, VA 22209
Arlington County (909) 269-6291
ASPIRE BEHAVIORAL HEALTH
Psychiatry & Neurology (Psychiatry)
1530 WILSON BLVD STE 650
ARLINGTON, VA 22209
Arlington County (440) 536-2041
ADRIAN BEAM THOMPSON PA-C
Physician Assistant
1530 WILSON BLVD STE 650
ARLINGTON, VA 22209
Arlington County (571) 267-2325

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 Miriam Merin's NPI number?

The NPI number for Miriam Merin is 1154113579. It was assigned to this individual provider in the NPPES registry on May 21, 2025.

Where is Miriam Merin located?

Miriam Merin practices at 1530 Wilson Blvd Ste 650, Arlington, VA 22209. The listed phone number is (202) 599-6149.

What is Miriam Merin's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Miriam Merin enrolled in Medicare?

Yes. Miriam Merin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Miriam Merin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Miriam Merin reassigns Medicare benefits to Psych Associates Of Maryland LLC (Timonium, MD). The 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 Miriam Merin'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 Miriam Merin was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.