Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. CYNTHIA K HACK LMSW, CSW
NPI 1255393153
Social Worker - Clinical in Bay City, MI

Active since April 05, 2006
200 S WENONA ST, SUITE G29, BAY CITY, MI 48706(989) 893-3212(989) 893-0461 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Cynthia K Hack Lmsw, Csw NPPES

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

MRS. CYNTHIA K HACK LMSW, CSW (NPI 1255393153) is an individual clinical provider in Bay City, Michigan, licensed in Michigan (6801082328) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1255393153
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. CYNTHIA K HACKCredential: LMSW, CSW
Location Address200 S WENONA ST, SUITE G29Bay City, MI 48706-8820
Mailing Address200 S Wenona St, Suite G29Bay City, MI 48706-8820 · (989) 893-3212 · Fax (989) 893-0461
Fax(989) 893-0461
Sole ProprietorNo
Enumeration DateApril 5, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1255393153 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MI · 6801082328
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.
200 S WENONA ST, Bay City, MI 48706

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.

Hearing Instrument Specialist
200 S WENONA ST, SUITE 165
BAY CITY, MI 48706
Internal Medicine
200 S WENONA ST, SUITE 225
BAY CITY, MI 48706
Family Medicine
200 S WENONA ST, SUITE 100
BAY CITY, MI 48706
Audiologist-Hearing Aid Fitter
200 S WENONA ST
BAY CITY, MI 48706
Nurse Practitioner
200 S WENONA ST
BAY CITY, MI 48706
Counselor (Professional)
200 S WENONA ST, DEPT-TOTAL FAMILY HEALTH CARE STE 170
BAY CITY, MI 48706
Internal Medicine (Geriatric Medicine)
200 S WENONA ST, SUITE 225
BAY CITY, MI 48706
Obstetrics & Gynecology
200 S WENONA ST, SUITE #291
BAY CITY, MI 48706

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 Cynthia Hack's NPI number?

The NPI number for Cynthia Hack is 1255393153. It was assigned to this individual provider in the NPPES registry on April 5, 2006.

Where is Cynthia Hack located?

Cynthia Hack practices at 200 S Wenona St Suite G29, Bay City, MI 48706. The listed phone number is (989) 893-3212.

What is Cynthia Hack's specialty?

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

When was this NPI record last updated?

The NPPES record for Cynthia Hack was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.