1. Home
  2. Directory
  3. South Dakota
  4. Rapid City
  5. Counselor
  6. NPI Profile

MS. CASSIE MARIE BREWER
NPI 1639629041
Counselor in Rapid City, SD

Active since October 10, 2016PECOS EnrolledAccepts Medicare Assignment
350 ELK ST, RAPID CITY, SD 57701(605) 343-7262(605) 343-7293 Get Directions Write a Review

NPPES record last updated: October 10, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Cassie Marie Brewer NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. CASSIE MARIE BREWER (NPI 1639629041) is an individual counselor in Rapid City, South Dakota and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1639629041
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameMS. CASSIE MARIE BREWER
Location Address350 ELK STRapid City, SD 57701-7351
Mailing Address350 Elk StRapid City, SD 57701-7351 · (605) 343-7262 · Fax (605) 343-7293
Phone(605) 343-7262
Fax(605) 343-7293
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateOctober 10, 2016
✔ NPI 1639629041 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
350 ELK ST, Rapid City, SD 57701
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan, Wellmark of South Dakota, Inc..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

Ms. Cassie Marie Brewer 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.

PECOS PAC ID8123500907
PECOS Enrollment IDI20260302001459
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Cassie Brewer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Great Plains Tribal Chairmen's Health Board
2.8 mi
Pharmacy
3200 CANYON LAKE DR
Rapid City, SD 57702
  • Reassigned Medicare billing, Texas enrollment
  • 119 clinicians in this Medicare group
NPI 1376105452 (605) 721-1922

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

JULIE ANN THOMPSON MS
Counselor (Mental Health)
350 ELK ST
RAPID CITY, SD 57701
Meade County (605) 343-7262
LEESA HOUSE
Counselor (Mental Health)
350 ELK ST
RAPID CITY, SD 57701
Meade County (605) 343-7262
KELLY AMBROSI
Case Manager/Care Coordinator
350 ELK ST
RAPID CITY, SD 57701
Meade County (605) 343-7262
RUTH HEISER
Counselor
350 ELK ST
RAPID CITY, SD 57701
Meade County (605) 343-7262
LARA REINECKE LMSW/LCSW
Social Worker (Clinical)
350 ELK ST
RAPID CITY, SD 57701
Meade County (605) 343-7262
JAROD SKVICALO
Counselor
350 ELK ST
RAPID CITY, SD 57701
Meade County (605) 343-0650
SAVANNA DUDLEY
Counselor (Mental Health)
350 ELK ST
RAPID CITY, SD 57701
Meade County (605) 343-7262
MELISSA L STANTON BA
Counselor (Mental Health)
350 ELK ST
RAPID CITY, SD 57701
Meade County (605) 343-7262

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 Cassie Brewer's NPI number?

The NPI number for Cassie Brewer is 1639629041. It was assigned to this individual provider in the NPPES registry on October 10, 2016.

Where is Cassie Brewer located?

Cassie Brewer practices at 350 Elk St, Rapid City, SD 57701. The listed phone number is (605) 343-7262.

What is Cassie Brewer's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Cassie Brewer enrolled in Medicare?

Yes. Cassie Brewer 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 Cassie Brewer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Brewer reassigns Medicare benefits to Great Plains Tribal Chairmen's Health Board (Rapid City, 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 Cassie Brewer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cassie Brewer accept?

Health plans from Sanford Health Plan and Wellmark of South Dakota, Inc. list Cassie Brewer 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.

When was this NPI record last updated?

The NPPES record for Cassie Brewer was last updated on October 10, 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.