JAHOON KOO ACNPC-AG
NPI 1629554209
Nurse Practitioner - Acute Care in Stanley, WI
About Jahoon Koo Acnpc-ag NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAHOON KOO ACNPC-AG (NPI 1629554209) is an individual acute care provider in Stanley, Wisconsin, licensed in Wisconsin (APNP8026-33) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, is affiliated with Aspirus Stanley Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
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
Jahoon Koo Acnpc-ag 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
3Medicare enrollment records show Jahoon Koo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanley, WI 54768
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1356311252 (Wisconsin)
- 168 clinicians in this Medicare group
Gilman, WI 54433
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 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 7
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aspirus Stanley Hospital
Critical Access Hospitals · Stanley, WIAspirus Medford Hospital & Clinics, Inc
Critical Access Hospitals · Medford, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54768 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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
STANLEY, WI 54768
STANLEY, WI 54768
STANLEY, WI 54768
STANLEY, WI 54768
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 Jahoon Koo's NPI number?
The NPI number for Jahoon Koo is 1629554209. It was assigned to this individual provider in the NPPES registry on July 17, 2018.
Where is Jahoon Koo located?
Jahoon Koo practices at 1120 Pine St, Stanley, WI 54768. The listed phone number is (800) 643-0554.
What is Jahoon Koo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Jahoon Koo enrolled in Medicare?
Yes. Jahoon Koo 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 Jahoon Koo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jahoon Koo reassigns Medicare benefits to 3 organizations: Aspirus Stanley Hospital & Clinics, Inc. (Stanley, WI), Aspirus Medford Hospital & Clinics, Inc. (Gilman, WI) and Aspirus Stevens Point Hospital & Clinics, Inc. (Stevens Point, WI). 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 Jahoon Koo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jahoon Koo affiliated with any hospitals?
According to CMS data, Jahoon Koo is affiliated with Aspirus Stanley Hospital and Aspirus Medford Hospital & Clinics, Inc.
When was this NPI record last updated?
The NPPES record for Jahoon Koo was last updated on December 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Jahoon Koo, ACNPC-AG · NPI 1629554209
Acute Care physician in Stanley, Wisconsin. Individual provider, active in the CMS NPPES registry since July 17, 2018.
## Identity
- **NPI:** 1629554209 (Entity type: Individual)
- **Enumerated:** July 17, 2018
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** APNP8026-33 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1120 PINE ST, Stanley, WI 54768-1297
- **Phone:** (800) 643-0554
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Aspirus Stanley Hospital & Clinics, Inc. (NPI 1053391730, Stanley, WI); Aspirus Medford Hospital & Clinics, Inc. (NPI 1285703173, Gilman, WI); Aspirus Stevens Point Hospital & Clinics, Inc. (NPI 1679706022, Stevens Point, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** December 20, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1629554209) · Data from the CMS NPPES public registry.