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

MARNI F MASTBAUM MS ED
NPI 1376829218
Counselor - Mental Health in Fort Wayne, IN

Q: What is Marni Mastbaum's NPI number?

The NPI number for Marni Mastbaum is 1376829218. It was assigned to this individual provider in the NPPES registry on October 24, 2011.

Q: What is Marni Mastbaum's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Marni Mastbaum was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.

Active since October 24, 2011PECOS Enrolled

3154 MALLARD COVE LN, FORT WAYNE, IN 46804(260) 433-5007 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About Marni F Mastbaum Ms Ed NPPES

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

MARNI F MASTBAUM MS ED (NPI 1376829218) is an individual mental health provider in Fort Wayne, Indiana and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376829218

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMARNI F MASTBAUMCredential: MS ED

Location Address3154 MALLARD COVE LNFort Wayne, IN 46804-2882

Mailing Address3154 Mallard Cove LnFort Wayne, IN 46804-2882 · (260) 433-5007

Phone(260) 433-5007

Sole ProprietorNo

Enumeration DateOctober 24, 2011

Last NPPES UpdateAugust 28, 2026

NPPES CertifiedAugust 28, 2026

✔ NPI 1376829218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

3154 MALLARD COVE LN, Fort Wayne, IN 46804

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marni F Mastbaum Ms Ed 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.

Other Providers at the Same Location NPPES 2

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

MRS. MELISSA K SEZGINER MA, LMHC

Counselor (Mental Health)

3154 MALLARD COVE LN
FORT WAYNE, IN 46804

Allen County (260) 222-8145

PROFESSIONAL COUNSELING ASSOCIATES, LLC

Counselor (Mental Health)

3154 MALLARD COVE LN
FORT WAYNE, IN 46804

Allen County (260) 205-8141

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 Marni Mastbaum's NPI number?

The NPI number for Marni Mastbaum is 1376829218. It was assigned to this individual provider in the NPPES registry on October 24, 2011.

Where is Marni Mastbaum located?

Marni Mastbaum practices at 3154 Mallard Cove Ln, Fort Wayne, IN 46804. The listed phone number is (260) 433-5007.

What is Marni Mastbaum's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Marni Mastbaum enrolled in Medicare?

Yes. Marni Mastbaum is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marni Mastbaum was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.