HASSEN M. SEID NP
NPI 1922453711
Nurse Practitioner - Family in Fairfax, VA
About Hassen M. Seid Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HASSEN M. SEID NP (NPI 1922453711) is an individual family provider in Fairfax, Virginia, licensed in Virginia (0024173437) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Hassen M. Seid Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Hassen Seid reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia enrollment
- 58 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 2,618 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
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 Hassen Seid's NPI number?
The NPI number for Hassen Seid is 1922453711. It was assigned to this individual provider in the NPPES registry on April 28, 2016.
Where is Hassen Seid located?
Hassen Seid practices at 8221 Willow Oaks Corporate Dr 450, Fairfax, VA 22031. The listed phone number is (703) 289-7560.
What is Hassen Seid's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Hassen Seid enrolled in Medicare?
Yes. Hassen Seid is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Hassen Seid's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hassen Seid reassigns Medicare benefits to 2 organizations: Neighborhood Health (Fairfax, VA) and Inova Health Care Services (Falls Church, VA). 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 Hassen Seid'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 Hassen Seid was last updated on August 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Hassen M. Seid, NP · NPI 1922453711
Family physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since April 28, 2016.
## Identity
- **NPI:** 1922453711 (Entity type: Individual)
- **Enumerated:** April 28, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024173437 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 8221 WILLOW OAKS CORPORATE DR, 450, Fairfax, VA 22031-4512
- **Phone:** (703) 289-7560
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Neighborhood Health (NPI 1003354416, Fairfax, VA); Inova Health Care Services (NPI 1952320061, Falls Church, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** August 21, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1922453711) · Data from the CMS NPPES public registry.