DR. ANDREW JOHN CHONTOS MD
NPI 1699708800
Surgery in Sioux Falls, SD
About Dr. Andrew John Chontos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW JOHN CHONTOS MD (NPI 1699708800) is an individual surgery provider in Sioux Falls, South Dakota, licensed in South Dakota (7384) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Brookings Health System, and is a graduate of University Of Colorado School Of Medicine, Denver (1995).
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
Dr. Andrew John Chontos 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 Reassignments
3Medicare enrollment records show Andrew Chontos reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 826 clinicians in this Medicare group
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,097 clinicians in this Medicare group
Brookings, SD 57006
- Reassigned Medicare billing, South Dakota enrollment
- 156 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brookings Health System
Acute Care Hospitals · Brookings, 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 Andrew Chontos's NPI number?
The NPI number for Andrew Chontos is 1699708800. It was assigned to this individual provider in the NPPES registry on July 9, 2006.
Where is Andrew Chontos located?
Andrew Chontos practices at 1508 W 22nd St Ste 101, Sioux Falls, SD 57105. The listed phone number is (605) 328-3840.
What is Andrew Chontos's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Andrew Chontos enrolled in Medicare?
Yes. Andrew Chontos 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 Andrew Chontos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Chontos reassigns Medicare benefits to 3 organizations: Sanford Clinic (Sioux Falls, SD), Sanford Medical Center (Sioux Falls, SD) and City Of Brookings (Brookings, SD). 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 Andrew Chontos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Chontos accept?
Health plans from Avera Health Plans, Sanford Health Plan and Wellmark of South Dakota, Inc. list Andrew Chontos 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 Andrew Chontos affiliated with any hospitals?
According to CMS data, Andrew Chontos is affiliated with Brookings Health System.
When was this NPI record last updated?
The NPPES record for Andrew Chontos was last updated on May 24, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Andrew John Chontos, MD · NPI 1699708800
Surgery physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since July 9, 2006.
## Identity
- **NPI:** 1699708800 (Entity type: Individual)
- **Enumerated:** July 9, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 7384 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1508 W 22ND ST STE 101, Sioux Falls, SD 57105-1514
- **Phone:** (605) 328-3840 · **Fax:** (605) 328-3841
## 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): Sanford Clinic (NPI 1922030212, Sioux Falls, SD); Sanford Medical Center (NPI 1093090342, Sioux Falls, SD); City Of Brookings (NPI 1982057246, Brookings, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 1995
## Record status
- **NPPES last updated:** May 24, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1699708800) · Data from the CMS NPPES public registry.