HEATHER KAY CHESTER ADAM M.D.
NPI 1366538233
Psychiatry & Neurology - Psychiatry in Sioux Falls, SD
About Heather Kay Chester Adam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER KAY CHESTER ADAM M.D. (NPI 1366538233) is an individual psychiatry provider in Sioux Falls, South Dakota, licensed in South Dakota (5955) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Floyd Valley Healthcare, and is a graduate of Sanford School Of Medicine Of University Of South Dakota (2002).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 15
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
Heather Kay Chester Adam 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 Reassignment
Medicare enrollment records show Heather Chester Adam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux Falls, SD 57108
- 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 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.
Floyd Valley Healthcare
Critical Access Hospitals · Le Mars, IAPipestone County Medical Center
Critical Access Hospitals · Pipestone, MNAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57108 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 57108
SIOUX FALLS, SD 57108
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 Heather Chester Adam's NPI number?
The NPI number for Heather Chester Adam is 1366538233. It was assigned to this individual provider in the NPPES registry on October 5, 2006. The provider is also known as Heather K. Chester.
Where is Heather Chester Adam located?
Heather Chester Adam practices at 4400 W 69th St Ste. 1500, Sioux Falls, SD 57108. The listed phone number is (605) 322-5700.
What is Heather Chester Adam's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Heather Chester Adam enrolled in Medicare?
Yes. Heather Chester Adam 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 Heather Chester Adam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Chester Adam 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 Heather Chester Adam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Heather Chester Adam accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Heather Chester Adam 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 Heather Chester Adam affiliated with any hospitals?
According to CMS data, Heather Chester Adam is affiliated with Floyd Valley Healthcare, Pipestone County Medical Center and Avera Mckennan Hospital & University Health Center.
When was this NPI record last updated?
The NPPES record for Heather Chester Adam was last updated on October 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Heather Kay Chester Adam, M.D. · NPI 1366538233
Psychiatry physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since October 5, 2006.
## Identity
- **NPI:** 1366538233 (Entity type: Individual)
- **Enumerated:** October 5, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 5955 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 4400 W 69TH ST, STE. 1500, Sioux Falls, SD 57108-8170
- **Phone:** (605) 322-5700 · **Fax:** (605) 322-5704
## 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 1013980598, Sioux Falls, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Sanford School Of Medicine Of University Of South Dakota, class of 2002
## Record status
- **NPPES last updated:** October 11, 2018
- **Other identifiers:** Other 55652 (SD); Other 5955 (SD); Other 040121002 (MN); and 12 more
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Source: [NPI Profile](https://npiprofile.com/npi/1366538233) · Data from the CMS NPPES public registry.