DAISI JISOON CHOI M.D.
NPI 1659639086
Internal Medicine - Critical Care Medicine in Alexandria, VA
About Daisi Jisoon Choi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAISI JISOON CHOI M.D. (NPI 1659639086) is an individual critical care medicine provider in Alexandria, Virginia, licensed in Virginia (0101262764) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Daisi Jisoon Choi M.d. 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
7Medicare enrollment records show Daisi Choi reassigns Medicare billing to 7 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 and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 167 clinicians in this Medicare group
Woodbridge, VA 22192
- Reassigned Medicare billing, Virginia enrollment
- Medicare enrollment name: Uva Community Health Medical Group LLC
- 584 clinicians in this Medicare group
Leesburg, VA 20176
- Reassigned Medicare billing, District of Columbia enrollment
- 134 clinicians in this Medicare group
Norfolk, VA 23502
- Reassigned Medicare billing, Virginia enrollment
- 165 clinicians in this Medicare group
Glendale, CA 91204
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 51 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- 28 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 Alexandria Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22306 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.
ALEXANDRIA, VA 22306
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 Daisi Choi's NPI number?
The NPI number for Daisi Choi is 1659639086. It was assigned to this individual provider in the NPPES registry on April 23, 2012.
Where is Daisi Choi located?
Daisi Choi practices at 2501 Parkers Ln, Alexandria, VA 22306. The listed phone number is (703) 664-7000.
What is Daisi Choi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Daisi Choi enrolled in Medicare?
Yes. Daisi 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 organizations bill Medicare for Daisi Choi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daisi Choi reassigns Medicare benefits to 7 organizations: Inova Health Care Services (Falls Church, VA), Nmg Affiliate Practice I, LLC (Woodbridge, VA), Commonwealth Emergency Physicians PC (Leesburg, VA), Emergency Physicians Of Tidewater (Norfolk, VA), Willow Brook Critical Care Medical Group, Inc (Glendale, CA) and 2 more organizations, listed in the Medicare section above. 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 Daisi Choi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daisi Choi accept?
Health plans from Oscar Health list Daisi 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 Daisi Choi affiliated with any hospitals?
According to CMS data, Daisi Choi is affiliated with Inova Alexandria Hospital.
When was this NPI record last updated?
The NPPES record for Daisi Choi was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Daisi Jisoon Choi, M.D. · NPI 1659639086
Critical Care Medicine physician in Alexandria, Virginia. Individual provider, active in the CMS NPPES registry since April 23, 2012.
## Identity
- **NPI:** 1659639086 (Entity type: Individual)
- **Enumerated:** April 23, 2012
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 0101262764 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2501 PARKERS LN, Alexandria, VA 22306-3209
- **Phone:** (703) 664-7000 · **Fax:** (703) 664-7666
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Inova Health Care Services (NPI 1952320061, Falls Church, VA); Nmg Affiliate Practice I, LLC (NPI 1336819408, Woodbridge, VA); Commonwealth Emergency Physicians PC (NPI 1598723082, Leesburg, VA); Emergency Physicians Of Tidewater (NPI 1033136841, Norfolk, VA); Willow Brook Critical Care Medical Group, Inc (NPI 1811520224, Glendale, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** July 31, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1659639086) · Data from the CMS NPPES public registry.