TERESA L DOMINIQUE NICHOLSON LLMSW
NPI 1881220051
Social Worker in Saginaw, MI

Active since March 19, 2020PECOS Enrolled
500 HANCOCK ST, SAGINAW, MI 48602(989) 797-3400(989) 799-0206 Get Directions Write a Review

NPPES record last updated: March 19, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Teresa L Dominique Nicholson Llmsw NPPES

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

TERESA L DOMINIQUE NICHOLSON LLMSW (NPI 1881220051) is an individual social worker in Saginaw, Michigan, licensed in Michigan (6801106528) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881220051
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameTERESA L DOMINIQUE NICHOLSONCredential: LLMSW
Location Address500 HANCOCK STSaginaw, MI 48602-4224
Mailing Address500 Hancock StSaginaw, MI 48602-4224 · (989) 797-3400 · Fax (989) 799-0206
Fax(989) 799-0206
Sole ProprietorYes
Enumeration DateMarch 19, 2020
NPPES CertifiedMarch 19, 2020
✔ NPI 1881220051 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 MI · 6801106528
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.
500 HANCOCK ST, Saginaw, MI 48602

Other Names 1

Former Name (1)Teresa L Dominique Williams Msw

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Teresa L Dominique Nicholson Llmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Teresa Nicholson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community/Behavioral Health
500 HANCOCK ST
Saginaw, MI 48602
  • Reassigned Medicare billing, Michigan enrollment
  • 52 clinicians in this Medicare group
Clinical
4572 S HAGADORN RD, SUITE 1C
East Lansing, MI 48823
  • Reassigned Medicare billing, Michigan enrollment
  • 57 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.

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.

Social Worker
500 HANCOCK ST
SAGINAW, MI 48602
Social Worker (Clinical)
500 HANCOCK ST
SAGINAW, MI 48602
Registered Nurse
500 HANCOCK ST
SAGINAW, MI 48602
Community Health Worker
500 HANCOCK ST
SAGINAW, MI 48602
Social Worker (Clinical)
500 HANCOCK ST
SAGINAW, MI 48602
Social Worker (Clinical)
500 HANCOCK ST
SAGINAW, MI 48602
Social Worker (Clinical)
500 HANCOCK ST
SAGINAW, MI 48602
Case Manager/Care Coordinator
500 HANCOCK ST
SAGINAW, MI 48602

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 Teresa Nicholson's NPI number?

The NPI number for Teresa Nicholson is 1881220051. It was assigned to this individual provider in the NPPES registry on March 19, 2020. The provider is also known as Teresa L Dominique Williams Msw.

Where is Teresa Nicholson located?

Teresa Nicholson practices at 500 Hancock St, Saginaw, MI 48602. The listed phone number is (989) 797-3400.

What is Teresa Nicholson's specialty?

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

Is Teresa Nicholson enrolled in Medicare?

Yes. Teresa Nicholson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Teresa Nicholson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Teresa Nicholson reassigns Medicare benefits to 2 organizations: Saginaw County Community Mental Health Authority (Saginaw, MI) and Therapy Today Counseling And Consulting, LLC (East Lansing, MI). 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 Teresa Nicholson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Teresa Nicholson accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Teresa Nicholson 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 Teresa Nicholson was last updated on March 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.