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

MR. MICHAEL JOHN NIESI MA,CCC-SLP
NPI 1114161296
Speech-Language Pathologist in Manalapan, NJ

Active since April 21, 2009
8 MAREMANNA DR, MANALAPAN, NJ 07726(917) 952-7852(848) 227-3475 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Michael John Niesi Ma,ccc-slp NPPES

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

MR. MICHAEL JOHN NIESI MA,CCC-SLP (NPI 1114161296) is an individual speech-language pathologist provider in Manalapan, New Jersey, licensed in New Jersey (41YSO1346400) and active in the NPI registry since April 2009. He is a graduate of Other (1994).

NPPES Registry Identity

NPI1114161296
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameMR. MICHAEL JOHN NIESICredential: MA,CCC-SLP
Location Address8 MAREMANNA DRManalapan, NJ 07726-6023
Mailing Address8 Maremanna DrManalapan, NJ 07726-6023 · (917) 952-7852 · Fax (848) 227-3475
Fax(848) 227-3475
Sole ProprietorYes
Medical School CMSOtherGraduated 1994
Enumeration DateApril 21, 2009
Last NPPES UpdateSeptember 29, 2026
NPPES CertifiedSeptember 29, 2026
✔ NPI 1114161296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in NJ · 41YSO1346400
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
8 MAREMANNA DR, Manalapan, NJ 07726

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Michael John Niesi Ma,ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6305019787
PECOS Enrollment IDI20251230000130

Medicare Billing Reassignment

Medicare enrollment records show Michael Niesi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physical Therapist
701 FOULK RD STE 2A
Wilmington, DE 19803
  • Reassigned Medicare billing, New Jersey enrollment
  • 973 clinicians in this Medicare group

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

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 Michael Niesi's NPI number?

The NPI number for Michael Niesi is 1114161296. It was assigned to this individual provider in the NPPES registry on April 21, 2009.

Where is Michael Niesi located?

Michael Niesi practices at 8 Maremanna Dr, Manalapan, NJ 07726. The listed phone number is (917) 952-7852.

What is Michael Niesi's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Michael Niesi enrolled in Medicare?

Yes. Michael Niesi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Niesi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Niesi reassigns Medicare benefits to Fox Rehabilitation Services Inc (Wilmington, DE). The 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 Michael Niesi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Niesi was last updated on September 29, 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.