ROSHANAK HASSANZADEH OTD
NPI 1235425141
Occupational Therapist in Arlington, VA

Active since June 20, 2011
2800 S SHIRLINGTON RD STE 1100, ARLINGTON, VA 22206(703) 892-6500(703) 521-3415 Get Directions Write a Review

NPPES record last updated: March 15, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 2, 2024, Jan 14, 2019 (2 updates tracked since 2019).

About Roshanak Hassanzadeh Otd NPPES

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

ROSHANAK HASSANZADEH OTD (NPI 1235425141) is an individual occupational therapist in Arlington, Virginia, licensed in Virginia (0119007390) and active in the NPI registry since June 2011. She maintains a secondary practice location in Arlington.

NPPES Registry Identity

NPI1235425141
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameROSHANAK HASSANZADEHCredential: OTD
Location Address2800 S SHIRLINGTON RD STE 1100Arlington, VA 22206-3605
Mailing Address2800 S Shirlington Rd Ste 1100Arlington, VA 22206-3605 · (703) 892-6500 · Fax (703) 521-3415
Fax(703) 521-3415
Sole ProprietorNo
Enumeration DateJune 20, 2011
Last NPPES UpdateMarch 15, 20242 updates tracked since enumeration
NPPES CertifiedMarch 15, 2024
✔ NPI 1235425141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in VA · 0119007390
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
2800 S SHIRLINGTON RD STE 1100, Arlington, VA 22206

Secondary Practice Location 1

Location 14040 Fairfax Dr Ste 120Arlington, VA 22203-1613 · Phone (703) 292-4060

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Roshanak Hassanzadeh Otd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

3

Medicare enrollment records show Roshanak Hassanzadeh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthopaedic Surgery
2800 S SHIRLINGTON RD STE 1100
Arlington, VA 22206
  • Reassigned Medicare billing, District of Columbia enrollment
  • 91 clinicians in this Medicare group
Orthopaedic Surgery
3 WASHINGTON CIR NW, SUITE 404
Washington, DC 20037
  • Reassigned Medicare billing, District of Columbia enrollment
  • 374 clinicians in this Medicare group
Physical Medicine & Rehabilitation
200 HIGHLAND AVE STE 202
Needham, MA 02494
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2 clinicians in this Medicare group

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.

Orthopaedic Surgery
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA 22206
Occupational Therapist
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA 22206
Physical Therapist
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA 22206
Orthopaedic Surgery (Sports Medicine)
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA 22206
Physical Therapist
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA 22206
Physician Assistant (Surgical)
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA 22206
Family Medicine (Sports Medicine)
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA 22206
Physical Therapist
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA 22206

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 Roshanak Hassanzadeh's NPI number?

The NPI number for Roshanak Hassanzadeh is 1235425141. It was assigned to this individual provider in the NPPES registry on June 20, 2011.

Where is Roshanak Hassanzadeh located?

Roshanak Hassanzadeh practices at 2800 S Shirlington Rd Ste 1100, Arlington, VA 22206. The listed phone number is (703) 892-6500.

What is Roshanak Hassanzadeh's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Roshanak Hassanzadeh enrolled in Medicare?

Yes. Roshanak Hassanzadeh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Roshanak Hassanzadeh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Roshanak Hassanzadeh reassigns Medicare benefits to 3 organizations: Anderson Clinic LLC (Arlington, VA), Centers For Advanced Orthopaedics LLC (Washington, DC) and Xrhealth Usa Inc (Needham, MA). 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 Roshanak Hassanzadeh'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 Roshanak Hassanzadeh was last updated on March 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.