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MS. KATHLEEN RENEE MAST MSW, LCSW
NPI 1275501355
Social Worker - Clinical in Mishawaka, IN

Active since March 14, 2006PECOS EnrolledAccepts Medicare Assignment
113 LINCOLNWAY E, MISHAWAKA, IN 46544(574) 255-4976 Get Directions Write a Review

NPPES record last updated: January 22, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 22, 2020, Mar 1, 2017, Dec 27, 2016 (3 updates tracked since 2016).

About Ms. Kathleen Renee Mast Msw, Lcsw NPPES

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

MS. KATHLEEN RENEE MAST MSW, LCSW (NPI 1275501355) is an individual clinical provider in Mishawaka, Indiana, licensed in Indiana (34001414A) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (1999).

NPPES Registry Identity

NPI1275501355
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. KATHLEEN RENEE MASTCredential: MSW, LCSW
Location Address113 LINCOLNWAY EMishawaka, IN 46544-2016
Mailing AddressPo Box 1887Elkhart, IN 46515-1887 · (574) 389-0542 · Fax (574) 522-8505
Phone(574) 255-4976
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 1999
Enumeration DateMarch 14, 2006
Last NPPES UpdateJanuary 22, 20203 updates tracked since enumeration
✔ NPI 1275501355 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 IN · 34001414A
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.
113 LINCOLNWAY E, Mishawaka, IN 46544
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Other Identifiers 1

Other000000391927IN · Anthem Bcbs #

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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

Ms. Kathleen Renee Mast Msw, 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 ID8022074921
PECOS Enrollment IDI20041202000554
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
210 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46544 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 $53.07 – $161.76
Typical copayment $0.00 (range $13.26 – $40.44)
Most-billed visit code NA
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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.

SETH CURTIS
Counselor (Mental Health)
113 LINCOLNWAY E
MISHAWAKA, IN 46544
St. Joseph County (574) 255-4976
ALEXANDRA FISHER
Counselor (Mental Health)
113 LINCOLNWAY E
MISHAWAKA, IN 46544
St. Joseph County (574) 229-8425
LAURA ALANA SINGER DOLEZAL
Social Worker
113 LINCOLNWAY E
MISHAWAKA, IN 46544
St. Joseph County (574) 314-5987
RACHAEL M. GARCIA MS
Psychologist (Clinical)
113 LINCOLNWAY E
MISHAWAKA, IN 46544
St. Joseph County (574) 255-1162
MR. ELLIS DAVID RUDAN JR.
Counselor (Mental Health)
113 LINCOLNWAY E
MISHAWAKA, IN 46544
St. Joseph County (574) 314-5987
KAYLEE JO MOMANY
Social Worker
113 LINCOLNWAY E
MISHAWAKA, IN 46544
St. Joseph County (574) 255-4976
JOHN PAUL YOUNES MA, LMHCA, NCC
Counselor
113 LINCOLNWAY E
MISHAWAKA, IN 46544
St. Joseph County (574) 314-5987
ALICIA WEYER
Social Worker
113 LINCOLNWAY E
MISHAWAKA, IN 46544
St. Joseph County (574) 314-5987

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 Kathleen Mast's NPI number?

The NPI number for Kathleen Mast is 1275501355. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Kathleen Mast located?

Kathleen Mast practices at 113 Lincolnway E, Mishawaka, IN 46544. The listed phone number is (574) 255-4976.

What is Kathleen Mast's specialty?

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

Is Kathleen Mast enrolled in Medicare?

Yes. Kathleen Mast 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 Kathleen Mast accept?

Health plans from CareSource list Kathleen Mast 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 Kathleen Mast was last updated on January 22, 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.