JOANNA J CHANG RN
NPI 1922589811
Nurse Anesthetist, Certified Registered in Falls Church, VA
About Joanna J Chang Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNA J CHANG RN (NPI 1922589811) is an individual nurse anesthetist, certified registered in Falls Church, Virginia, licensed in Virginia (0024177303) and active in the NPI registry since August 2018. She is affiliated with Inova Fairfax Hospital, maintains a secondary practice location in Falls Church, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted 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
Joanna J Chang Rn 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
4Medicare enrollment records show Joanna Chang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 455 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
Arlington, VA 22205
- Reassigned Medicare billing, District of Columbia enrollment
- 158 clinicians in this Medicare group
Alexandria, VA 22306
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 634 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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, VAPhysician 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.
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.
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.
FALLS CHURCH, VA 22042
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 Chang's NPI number?
The NPI number for Joanna Chang is 1922589811. It was assigned to this individual provider in the NPPES registry on August 28, 2018.
Where is Joanna Chang located?
Joanna Chang practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (800) 243-3839.
What is Joanna Chang's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Joanna Chang enrolled in Medicare?
Yes. Joanna Chang 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 Joanna Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Chang reassigns Medicare benefits to 4 organizations: American Anesthesiology Of Virginia PC (Falls Church, VA), Inova Health Care Services (Falls Church, VA), Dominion Anesthesia, PLLC (Arlington, VA) and Northstar Anesthesia Of Virginia, LLC (Alexandria, 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 Joanna Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joanna Chang accept?
Health plans from Oscar Health and Oscar Insurance Company list Joanna Chang 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 Chang affiliated with any hospitals?
According to CMS data, Joanna Chang is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Joanna Chang was last updated on February 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Joanna J Chang, RN · NPI 1922589811
Nurse Anesthetist, Certified Registered physician in Falls Church, Virginia. Individual provider, active in the CMS NPPES registry since August 28, 2018.
## Identity
- **NPI:** 1922589811 (Entity type: Individual)
- **Enumerated:** August 28, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 0024177303 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3300 GALLOWS RD, Falls Church, VA 22042
- **Phone:** (800) 243-3839
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): American Anesthesiology Of Virginia PC (NPI 1417994872, Falls Church, VA); Inova Health Care Services (NPI 1952320061, Falls Church, VA); Dominion Anesthesia, PLLC (NPI 1073554952, Arlington, VA); Northstar Anesthesia Of Virginia, LLC (NPI 1194488791, Alexandria, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** February 26, 2019
- **Other identifiers:** Other RN1041735 (DC); Other R213118 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1922589811) · Data from the CMS NPPES public registry.