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MS. FLORENCE HAGAN NP
NPI 1144538992
Nurse Practitioner - Psychiatric/Mental Health in Fairfax, VA

Active since September 15, 2010PECOS Enrolled
8221 WILLOW OAKS CORPORATE DR, FAIRFAX, VA 22031(703) 383-8500 Get Directions Write a Review

NPPES record last updated: May 2, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Florence Hagan Np NPPES

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

MS. FLORENCE HAGAN NP (NPI 1144538992) is an individual psychiatric/mental health provider in Fairfax, Virginia, licensed in Virginia (0024181870) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Woodbridge.

NPPES Registry Identity

NPI1144538992
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMS. FLORENCE HAGANCredential: NP
Location Address8221 WILLOW OAKS CORPORATE DRFairfax, VA 22031-4512
Mailing Address1605 Dorothy LnWoodbridge, VA 22191-3480 · (703) 680-0235
Phone(703) 383-8500
Sole ProprietorNo
Enumeration DateSeptember 15, 2010
Last NPPES UpdateMay 2, 2023
NPPES CertifiedMay 2, 2023
✔ NPI 1144538992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in VA · 0024181870
Also ListedRegistered Nurse · Addiction (Substance Use Disorder)Taxonomy 163WA0400X · License 0001196719 (VA)
8221 WILLOW OAKS CORPORATE DR, Fairfax, VA 22031
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Secondary Practice Location 1

Location 14320 Wabash Pl Apt 11Woodbridge, VA 22193-5628 · Phone (703) 680-0235

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Florence Hagan Np 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 Florence Hagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fairfax County, Virginia
7.0 mi
Mental Health (Including Community Mental Health Center)
12011 GOVERNMENT CENTER PARKWAY, SUITE 836
Fairfax, VA 22035
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Director Of Finance-County Of Fairfax Va
  • 383 clinicians in this Medicare group
NPI 1154356244 (703) 324-7000

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.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
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 20

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

CONNIE LEE MD
Psychiatry & Neurology (Psychiatry)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
NEIGHBORHOOD HEALTH
Clinic/Center (Federally Qualified Health Center (FQHC))
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 535-5568
FELICIA ABOAGYE LNP
Nurse Practitioner (Psychiatric/Mental Health)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
TRISHA MARIE HINDY BURKS LCSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
ZACHARY DALE LANDAU
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
GENOA HEALTHCARE LLC
Pharmacy (Long Term Care Pharmacy)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 852-0041
ANNA LEE KOOZMIN MSW, LCSW, LICSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 324-7100
JULIA LYNN CONVERSE LCSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000

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 Florence Hagan's NPI number?

The NPI number for Florence Hagan is 1144538992. It was assigned to this individual provider in the NPPES registry on September 15, 2010.

Where is Florence Hagan located?

Florence Hagan practices at 8221 Willow Oaks Corporate Dr, Fairfax, VA 22031. The listed phone number is (703) 383-8500.

What is Florence Hagan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Florence Hagan enrolled in Medicare?

Yes. Florence Hagan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Florence Hagan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Florence Hagan reassigns Medicare benefits to Fairfax County, Virginia (Fairfax, VA). 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 Florence Hagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Florence Hagan accept?

Health plans from Oscar Health list Florence Hagan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Florence Hagan was last updated on May 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.