1. Home
  2. Directory
  3. Virginia
  4. Alexandria
  5. Nurse Practitioner
  6. NPI Profile

CAROLINE HAU FNP-BC
NPI 1477156776
Nurse Practitioner - Family in Alexandria, VA

Active since November 18, 2020PECOS EnrolledAccepts Medicare Assignment
92.61/100
CMS Quality Rating
6244A LITTLE RIVER TPKE, ALEXANDRIA, VA 22312(703) 564-0000(703) 354-0008 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 29, 2026, Nov 29, 2022, Sep 19, 2022 and 3 more (6 updates tracked since 2020).

About Caroline Hau Fnp-bc NPPES

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

CAROLINE HAU FNP-BC (NPI 1477156776) is an individual family provider in Alexandria, Virginia, licensed in Virginia (0024180329) and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1477156776
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCAROLINE HAUCredential: FNP-BC
Location Address6244A LITTLE RIVER TPKEAlexandria, VA 22312-1714
Mailing Address6244a Little River TpkeAlexandria, VA 22312-1714 · (703) 564-0000 · Fax (703) 354-0008
Phone(703) 564-0000
Fax(703) 354-0008
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateNovember 18, 2020
Last NPPES UpdateJanuary 29, 20266 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2026
✔ NPI 1477156776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in VA · 0024180329
6244A LITTLE RIVER TPKE, Alexandria, VA 22312
Open in Google Maps ↗

Other Identifiers 1

Medicaid1477156776VA

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 and accepts Medicare assignment

Caroline Hau Fnp-bc 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.

PECOS PAC ID7113335712
PECOS Enrollment IDI20210420002559
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 Caroline Hau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Privia Medical Group, LLC
4.5 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,534 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850

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 22312 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.22
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 4

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

PRIVIA MEDICAL GROUP, LLC
Emergency Medicine
6244A LITTLE RIVER TPKE
ALEXANDRIA, VA 22312
Fairfax County (703) 564-0000
ARIEL URBAN FNP-BC
Nurse Practitioner (Family)
6244A LITTLE RIVER TPKE
ALEXANDRIA, VA 22312
Fairfax County (703) 564-0000
PRIVIA MEDICAL GROUP, LLC
Emergency Medicine
6244A LITTLE RIVER TPKE
ALEXANDRIA, VA 22312
Fairfax County (703) 564-0000
CAPITAL SPINE AND PAIN INSTITUTE PLLC
Neurological Surgery
6244A LITTLE RIVER TPKE
ALEXANDRIA, VA 22312
Fairfax County (571) 399-6340

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 Caroline Hau's NPI number?

The NPI number for Caroline Hau is 1477156776. It was assigned to this individual provider in the NPPES registry on November 18, 2020.

Where is Caroline Hau located?

Caroline Hau practices at 6244A Little River Tpke, Alexandria, VA 22312. The listed phone number is (703) 564-0000.

What is Caroline Hau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Caroline Hau enrolled in Medicare?

Yes. Caroline Hau 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 organization bills Medicare for Caroline Hau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Hau reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, 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 Caroline Hau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Hau accept?

Health plans from Oscar Health list Caroline Hau 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 Caroline Hau was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.