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BRITTANY ANN THAMMAVONGKEO LCSW, CAC
NPI 1992406011
Social Worker in Sioux Falls, SD

Active since March 15, 2023PECOS EnrolledAccepts Medicare Assignment
521 N MAIN AVE, SIOUX FALLS, SD 57104(605) 367-8793 Get Directions Write a Review

NPPES record last updated: March 15, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Brittany Ann Thammavongkeo Lcsw, Cac NPPES

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

BRITTANY ANN THAMMAVONGKEO LCSW, CAC (NPI 1992406011) is an individual social worker in Sioux Falls, South Dakota, licensed in South Dakota (6322) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sioux Falls, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1992406011
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameBRITTANY ANN THAMMAVONGKEOCredential: LCSW, CAC
Location Address521 N MAIN AVESioux Falls, SD 57104-5948
Mailing Address4308 S Arway DrSioux Falls, SD 57106-3131
Phone(605) 367-8793
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 15, 2023
NPPES CertifiedMarch 15, 2023
✔ NPI 1992406011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in SD · 6322
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 14091672 (SD)
521 N MAIN AVE, Sioux Falls, SD 57104
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Secondary Practice Location 1

Location 14308 S Arway DrSioux Falls, SD 57106-3131 · Phone (605) 573-2000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brittany Ann Thammavongkeo Lcsw, Cac 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 ID9638534936
PECOS Enrollment IDI20230419002772
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.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WHITNEY KAY LARSEN CNP
Nurse Practitioner
521 N MAIN AVE
SIOUX FALLS, SD 57104
Minnehaha County (605) 367-8793
ELIZABETH BROWN
Counselor (Addiction (Substance Use Disorder))
521 N MAIN AVE
SIOUX FALLS, SD 57104
Minnehaha County (605) 367-8793
JOSEPH JUSTIN MCNISH DDS
Dentist
521 N MAIN AVE
SIOUX FALLS, SD 57104
Minnehaha County (605) 367-8793
USD DENTAL CLINIC
Clinic/Center (Dental)
521 N MAIN AVE, SUITE 202
SIOUX FALLS, SD 57104
Minnehaha County (605) 367-8046
CITY OF SIOUX FALLS
Family Medicine
521 N MAIN AVE, SUITE 100
SIOUX FALLS, SD 57104
Minnehaha County (605) 367-8793
DR. KELSEY SUE SHARPE D.D.S.
Dentist
521 N MAIN AVE
SIOUX FALLS, SD 57104
Minnehaha County (605) 367-8046
MRS. SARAH ELIZABETH FUERSTENBERG CNP
Nurse Practitioner (Primary Care)
521 N MAIN AVE
SIOUX FALLS, SD 57104
Minnehaha County (605) 929-5761
LONNA JONES
Dental Hygienist
521 N MAIN AVE
SIOUX FALLS, SD 57104
Minnehaha County (605) 367-8793

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 Brittany Thammavongkeo's NPI number?

The NPI number for Brittany Thammavongkeo is 1992406011. It was assigned to this individual provider in the NPPES registry on March 15, 2023.

Where is Brittany Thammavongkeo located?

Brittany Thammavongkeo practices at 521 N Main Ave, Sioux Falls, SD 57104. The listed phone number is (605) 367-8793.

What is Brittany Thammavongkeo's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Brittany Thammavongkeo enrolled in Medicare?

Yes. Brittany Thammavongkeo 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.

What insurance does Brittany Thammavongkeo accept?

Health plans from Avera Health Plans and Sanford Health Plan list Brittany Thammavongkeo 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 Brittany Thammavongkeo was last updated on March 15, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.