ALEXANDRA GRACE FELLOWS SULLIVAN LCSW
NPI 1164378238
Social Worker - Clinical in Arlington, VA

Q: What is Alexandra Sullivan's NPI number?

The NPI number for Alexandra Sullivan is 1164378238. It was assigned to this individual provider in the NPPES registry on March 10, 2026.

Q: What is Alexandra Sullivan's specialty?

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

Active since March 10, 2026PECOS Enrolled

200 N GLEBE RD STE 104, ARLINGTON, VA 22203(703) 841-0703 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Alexandra Grace Fellows Sullivan Lcsw NPPES

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

ALEXANDRA GRACE FELLOWS SULLIVAN LCSW (NPI 1164378238) is an individual clinical provider in Arlington, Virginia, licensed in Virginia (0904020096) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1164378238

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameALEXANDRA GRACE FELLOWS SULLIVANCredential: LCSW

Location Address200 N GLEBE RD STE 104Arlington, VA 22203-3755

Mailing Address200 N Glebe Rd Ste 104Arlington, VA 22203-3755

Phone(703) 841-0703

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateMarch 10, 2026

NPPES CertifiedMarch 10, 2026

✔ NPI 1164378238 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 · 0904020096

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.

200 N GLEBE RD STE 104, Arlington, VA 22203

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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)

Alexandra Grace Fellows Sullivan Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173099967

PECOS Enrollment IDI20260420000786

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 Alexandra Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

National Capital Treatment And Recovery

0.4 mi

Substance Abuse Rehabilitation Facility

521 N. QUINCY STREET
Arlington, VA 22203

Reassigned Medicare billing, District of Columbia enrollment
30 clinicians in this Medicare group

NPI 1558415968 (703) 841-0703

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 22203 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 10

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

RACHEL LAMAR LPC

Counselor (Professional)