MERL J. MAST MERL MAST
NPI 1235441924
Nurse Practitioner - Family in South Bend, IN

Active since July 09, 2010PECOS Enrolled
5735 S IRONWOOD RD, SOUTH BEND, IN 46614(574) 299-4847 Get Directions Write a Review

NPPES record last updated: July 8, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Merl J. Mast Merl Mast NPPES

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

MERL J. MAST MERL MAST (NPI 1235441924) is an individual family provider in South Bend, Indiana, licensed in Indiana (71003521A) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235441924
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMERL J. MASTCredential: MERL MAST
Location Address5735 S IRONWOOD RDSouth Bend, IN 46614-9668
Mailing Address5735 S Ironwood RdSouth Bend, IN 46614-9668 · (574) 299-4847
Sole ProprietorNo
Enumeration DateJuly 9, 2010
Last NPPES UpdateJuly 8, 2013
NPI 1235441924 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in IN · 71003521A
5735 S IRONWOOD RD, South Bend, IN 46614

Other Names 1

Professional Name (2)Merl Mast Rn

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Merl J. Mast Merl Mast 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46614 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
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
5735 S IRONWOOD RD
SOUTH BEND, IN 46614
Family Medicine
5735 S IRONWOOD RD
SOUTH BEND, IN 46614
Nurse Practitioner (Family)
5735 S IRONWOOD RD
SOUTH BEND, IN 46614

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 Merl Mast's NPI number?

The NPI number for Merl Mast is 1235441924. It was assigned to this individual provider in the NPPES registry on July 9, 2010. The provider is also known as Merl Mast Rn.

Where is Merl Mast located?

Merl Mast practices at 5735 S Ironwood Rd, South Bend, IN 46614. The listed phone number is (574) 299-4847.

What is Merl Mast's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Merl Mast enrolled in Medicare?

Yes. Merl Mast is registered in the Medicare PECOS enrollment system.

What insurance does Merl Mast accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Arizona and Blue Cross and Blue Shield of Kansas, Inc. list Merl 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 Merl Mast was last updated on July 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.