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MS. MARIA ANTOINETTE WILLIAMS LMSW
NPI 1255884169
Social Worker - Clinical in Battle Creek, MI

Active since July 27, 2016PECOS Enrolled
5500 ARMSTRONG RD, BATTLE CREEK, MI 49037(269) 966-5600 Get Directions Write a Review

NPPES record last updated: March 6, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ms. Maria Antoinette Williams Lmsw NPPES

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

MS. MARIA ANTOINETTE WILLIAMS LMSW (NPI 1255884169) is an individual clinical provider in Battle Creek, Michigan, licensed in Michigan (6801096551) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255884169
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. MARIA ANTOINETTE WILLIAMSCredential: LMSW
Location Address5500 ARMSTRONG RDBattle Creek, MI 49037-7314
Mailing Address5500 Armstrong RdBattle Creek, MI 49037-7314 · (269) 966-5600
Phone(269) 966-5600
Sole ProprietorYes
Enumeration DateJuly 27, 2016
Last NPPES UpdateMarch 6, 2025
NPPES CertifiedMarch 6, 2025
✔ NPI 1255884169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MI · 6801096551
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial WorkerTaxonomy 104100000X · License 6801096651 (MI)
5500 ARMSTRONG RD, Battle Creek, MI 49037
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Maria Antoinette Williams Lmsw 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 Maria Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kalamazoo Counseling Connection
16 mi
Community/Behavioral Health
225 W WALNUT ST
Kalamazoo, MI 49007
  • Reassigned Medicare billing, Michigan enrollment
NPI 1396080669 (269) 370-2899
Grow Healthcare Group PA
1,178 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Michigan enrollment
  • 411 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $54.34 – $166.68
Typical copayment $0.00 (range $13.58 – $41.67)
Most-billed visit code NA
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

CHANLYN PYTLOWANY
Pharmacist
5500 ARMSTRONG RD
BATTLE CREEK, MI 49037
Calhoun County (269) 966-5600
DR. ROBERT HOWARD HYNES II M.D.
Psychiatry & Neurology (Psychiatry)
5500 ARMSTRONG RD
BATTLE CREEK, MI 49037
Calhoun County (269) 966-5600
MOHIUDDIN RASEL
Nurse Practitioner
5500 ARMSTRONG RD
BATTLE CREEK, MI 49037
Calhoun County (269) 966-5600
MORGAN LEA BURCH
Optometrist
5500 ARMSTRONG RD
BATTLE CREEK, MI 49037
Calhoun County (269) 966-5600
EMILY HURST PHD
Psychologist (Clinical)
5500 ARMSTRONG RD
BATTLE CREEK, MI 49037
Calhoun County (269) 966-5600
SUZANNE N BECKETT RD
Dietitian, Registered
5500 ARMSTRONG RD
BATTLE CREEK, MI 49037
Calhoun County (269) 223-5224
HANNAH MAE MCPHEE MPH, RD
Dietitian, Registered
5500 ARMSTRONG RD
BATTLE CREEK, MI 49037
Calhoun County (813) 731-2049
MERIROSE NINA BASILLOTE FNP-BC
Nurse Practitioner (Family)
5500 ARMSTRONG RD
BATTLE CREEK, MI 49037
Calhoun County (269) 569-0924

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 Maria Williams's NPI number?

The NPI number for Maria Williams is 1255884169. It was assigned to this individual provider in the NPPES registry on July 27, 2016.

Where is Maria Williams located?

Maria Williams practices at 5500 Armstrong Rd, Battle Creek, MI 49037. The listed phone number is (269) 966-5600.

What is Maria Williams's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Maria Williams enrolled in Medicare?

Yes. Maria Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Williams reassigns Medicare benefits to 2 organizations: Kalamazoo Counseling Connection (Kalamazoo, MI) and Grow Healthcare Group PA (Miami, FL). 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 Maria Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Williams accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Maria Williams 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 Maria Williams was last updated on March 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.