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TIA AAS LCSW
NPI 1619439593
Social Worker in Fargo, ND

Active since April 01, 2019PECOS EnrolledAccepts Medicare Assignment
2624 9TH AVE S, FARGO, ND 58103(701) 298-4500(701) 298-4400 Get Directions Write a Review

NPPES record last updated: May 31, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 3, 2020, Apr 20, 2020, Apr 1, 2019 (3 updates tracked since 2019).

About Tia Aas Lcsw NPPES

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

TIA AAS LCSW (NPI 1619439593) is an individual social worker in Fargo, North Dakota, licensed in North Dakota (5495) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1619439593
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameTIA AASCredential: LCSW
Location Address2624 9TH AVE SFargo, ND 58103-2350
Mailing Address2624 9th Ave SFargo, ND 58103-2350 · (701) 298-4500 · Fax (701) 298-4400
Phone(701) 298-4500
Fax(701) 298-4400
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 1, 2019
Last NPPES UpdateMay 31, 20243 updates tracked since enumeration
NPPES CertifiedMay 31, 2024
✔ NPI 1619439593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in ND · 5495
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.
2624 9TH AVE S, Fargo, ND 58103
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Sanford Health Plan.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

Tia Aas Lcsw 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 ID1850823436
PECOS Enrollment IDI20241021003203
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 Tia Aas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southeast Behavioral Health Clinic
Same address
Rehabilitation, Substance Use Disorder
2624 9TH AVE S
Fargo, ND 58103
  • Reassigned Medicare billing, North Dakota enrollment
  • Medicare enrollment name: Southeast Human Service Center
  • 91 clinicians in this Medicare group
NPI 1932146941 (701) 298-4500

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.

JENNY WEST
Specialist
2624 9TH AVE S
FARGO, ND 58103
Cass County (701) 298-4500
SHAYLA ZASTE TCM
Case Manager/Care Coordinator
2624 9TH AVE S
FARGO, ND 58103
Cass County (701) 595-4861
DETON HART
Counselor (Professional)
2624 9TH AVE S
FARGO, ND 58103
Cass County (701) 298-4500
VALENTINA B ASIEDU MPH, CHES
Case Manager/Care Coordinator
2624 9TH AVE S
FARGO, ND 58103
Cass County (701) 298-4959
MS. SARA L NICOLI M.ED, LAC
Counselor (Addiction (Substance Use Disorder))
2624 9TH AVE S
FARGO, ND 58103
Cass County (701) 298-4500
DALE A CARRIER LPCC
Counselor
2624 9TH AVE S
FARGO, ND 58103
Cass County (701) 298-4500
JENNIFER LEONE MULLEN LSW
Social Worker
2624 9TH AVE S
FARGO, ND 58103
Cass County (701) 298-4500
TRACY DIEDRICH
Case Manager/Care Coordinator
2624 9TH AVE S
FARGO, ND 58103
Cass County (701) 298-4500

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 Tia Aas's NPI number?

The NPI number for Tia Aas is 1619439593. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Tia Aas located?

Tia Aas practices at 2624 9th Ave S, Fargo, ND 58103. The listed phone number is (701) 298-4500.

What is Tia Aas's specialty?

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

Is Tia Aas enrolled in Medicare?

Yes. Tia Aas 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 Tia Aas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tia Aas reassigns Medicare benefits to Southeast Behavioral Health Clinic (Fargo, ND). 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 Tia Aas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tia Aas accept?

Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Tia Aas 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 Tia Aas was last updated on May 31, 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.