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MS. JOANNA YAERIM CHOI NP
NPI 1912726258
Nurse Practitioner - Acute Care in Falls Church, VA

Active since October 03, 2024PECOS EnrolledAccepts Medicare Assignment
3300 GALLOWS RD, FALLS CHURCH, VA 22042(703) 776-4001 Get Directions Write a Review

NPPES record last updated: October 3, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Joanna Yaerim Choi Np NPPES

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

MS. JOANNA YAERIM CHOI NP (NPI 1912726258) is an individual acute care provider in Falls Church, Virginia, licensed in Virginia (0024191280) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of University Of Virginia School Of Medicine (2024).

NPPES Registry Identity

NPI1912726258
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMS. JOANNA YAERIM CHOICredential: NP
Location Address3300 GALLOWS RDFalls Church, VA 22042-3307
Mailing Address6102 Grogans CtCentreville, VA 20121-3562 · (703) 625-7748
Phone(703) 776-4001
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2024
Enumeration DateOctober 3, 2024
NPPES CertifiedOctober 3, 2024
✔ NPI 1912726258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in VA · 0024191280
3300 GALLOWS RD, Falls Church, VA 22042
Open in Google Maps ↗

Other Names 1

Former Name (1)Ms. Joanna Yaerim Ahn

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

Ms. Joanna Yaerim Choi 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.

PECOS PAC ID9032647086
PECOS Enrollment IDI20250103003242
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 Joanna Choi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Inova Health Care Services
Same address
Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,618 clinicians in this Medicare group
NPI 1952320061 (703) 321-2627

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22042 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.

ALLISON ELIZABETH TWEEDIE MD
Psychiatry & Neurology (Psychiatry)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
DR. OLEG DOLGHI M.D
Obstetrics & Gynecology
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
MRS. CHERYL ANNE FRASER NP
Nurse Practitioner (Acute Care)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4132
MISS CRYSTAL FALKE PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-3281
EMERGENCY MEDICINE ASSOCIATES
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4002
NARGES NAJMYAR PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 970-2670
SARAH MARAKOS DO
Pediatrics
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-6652
KARA STONE YOUNG CRNA
Nurse Anesthetist, Certified Registered
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001

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 Joanna Choi's NPI number?

The NPI number for Joanna Choi is 1912726258. It was assigned to this individual provider in the NPPES registry on October 3, 2024. The provider is also known as Ms. Joanna Yaerim Ahn.

Where is Joanna Choi located?

Joanna Choi practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-4001.

What is Joanna Choi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Joanna Choi enrolled in Medicare?

Yes. Joanna Choi 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 Joanna Choi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Choi reassigns Medicare benefits to Inova Health Care Services (Falls Church, 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 Joanna Choi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joanna Choi accept?

Health plans from Oscar Health list Joanna Choi 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.

Is Joanna Choi affiliated with any hospitals?

According to CMS data, Joanna Choi is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Joanna Choi was last updated on October 3, 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.