COLLEEN ACHONG MD
NPI 1841866340
Hospitalist in Sioux Falls, SD
About Colleen Achong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLLEEN ACHONG MD (NPI 1841866340) is an individual hospitalist provider in Sioux Falls, South Dakota, licensed in South Dakota (15573) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Brookings Health System, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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
Colleen Achong Md 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 Reassignment
Medicare enrollment records show Colleen Achong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 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 6
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brookings Health System
Acute Care Hospitals · Brookings, SDAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDSanford Usd Medical Center
Acute Care Hospitals · Sioux Falls, SDAvera Heart Hospital Of South Dakota
Acute Care Hospitals · Sioux Falls, SDHuron Regional Medical Center
Critical Access Hospitals · Huron, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57105 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.
SIOUX FALLS, SD 57105
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 Colleen Achong's NPI number?
The NPI number for Colleen Achong is 1841866340. It was assigned to this individual provider in the NPPES registry on June 3, 2021.
Where is Colleen Achong located?
Colleen Achong practices at 1325 S Cliff Ave, Sioux Falls, SD 57105. The listed phone number is (605) 322-8000.
What is Colleen Achong's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Colleen Achong enrolled in Medicare?
Yes. Colleen Achong 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 Colleen Achong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Achong reassigns Medicare benefits to Avera Mckennan (Sioux Falls, SD). 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 Colleen Achong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Colleen Achong accept?
Health plans from Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Colleen Achong 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 Colleen Achong affiliated with any hospitals?
According to CMS data, Colleen Achong is affiliated with Brookings Health System, Avera Mckennan Hospital & University Health Center, Sanford Usd Medical Center, Avera Heart Hospital Of South Dakota and Huron Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Colleen Achong was last updated on October 7, 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.
# Colleen Achong, MD · NPI 1841866340
Hospitalist physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since June 3, 2021.
## Identity
- **NPI:** 1841866340 (Entity type: Individual)
- **Enumerated:** June 3, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 15573 (South Dakota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1325 S CLIFF AVE, Sioux Falls, SD 57105-1007
- **Phone:** (605) 322-8000
## 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:** Avera Mckennan (NPI 1053680678, Sioux Falls, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** October 7, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1841866340) · Data from the CMS NPPES public registry.