DR. ESTELLE SUKYUNG YOO M.D.
NPI 1598953846
Otolaryngology in Alexandria, VA
About Dr. Estelle Sukyung Yoo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ESTELLE SUKYUNG YOO M.D. (NPI 1598953846) is an individual otolaryngology provider in Alexandria, Virginia, licensed in Virginia (0101256962) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, is affiliated with Sanford Medical Center Bismarck, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Estelle Sukyung Yoo 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
4Medicare enrollment records show Estelle Yoo reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ida Grove, IA 51445
- Reassigned Medicare billing, South Dakota enrollment
- 826 clinicians in this Medicare group
Rock Rapids, IA 51246
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 clinicians in this Medicare group
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,097 clinicians in this Medicare group
Bismarck, ND 58504
- Reassigned Medicare billing, North Dakota enrollment
- 779 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sanford Medical Center Bismarck
Acute Care Hospitals · Bismarck, NDAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDSanford Usd Medical Center
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22301 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Estelle Yoo's NPI number?
The NPI number for Estelle Yoo is 1598953846. It was assigned to this individual provider in the NPPES registry on October 11, 2007.
Where is Estelle Yoo located?
Estelle Yoo practices at 2210 Mount Vernon Ave Suite 205, Alexandria, VA 22301. The listed phone number is (571) 447-9136.
What is Estelle Yoo's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Estelle Yoo enrolled in Medicare?
Yes. Estelle Yoo 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 Estelle Yoo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Estelle Yoo reassigns Medicare benefits to 4 organizations: Sanford Clinic (Ida Grove, IA), Avera Mckennan (Rock Rapids, IA), Sanford Medical Center (Sioux Falls, SD) and Sanford Bismarck (Bismarck, ND). 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 Estelle Yoo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Estelle Yoo accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Blue Cross Blue Shield of North Dakota and 4 other insurers list Estelle Yoo 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 Estelle Yoo affiliated with any hospitals?
According to CMS data, Estelle Yoo is affiliated with Sanford Medical Center Bismarck, Avera Mckennan Hospital & University Health Center and Sanford Usd Medical Center.
When was this NPI record last updated?
The NPPES record for Estelle Yoo was last updated on September 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Estelle Sukyung Yoo, M.D. · NPI 1598953846
Otolaryngology physician in Alexandria, Virginia. Individual provider, active in the CMS NPPES registry since October 11, 2007.
## Identity
- **NPI:** 1598953846 (Entity type: Individual)
- **Enumerated:** October 11, 2007
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 0101256962 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2210 MOUNT VERNON AVE, SUITE 205, Alexandria, VA 22301-1361
- **Phone:** (571) 447-9136
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Sanford Clinic (NPI 1265457964, Ida Grove, IA); Avera Mckennan (NPI 1003389206, Rock Rapids, IA); Sanford Medical Center (NPI 1093090342, Sioux Falls, SD); Sanford Bismarck (NPI 1811941172, Bismarck, ND) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** September 29, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1598953846) · Data from the CMS NPPES public registry.