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DR. DENISE FERDENZI MA, CCC-SLP, DO
NPI 1174669659
Student in an Organized Health Care Education/Training Program in West Islip, NY

Active since January 30, 2007PECOS Enrolled
1000 MONTAUK HWY, WEST ISLIP, NY 11795(631) 376-4163(631) 376-3420 Get Directions Write a Review

NPPES record last updated: May 13, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Denise Ferdenzi Ma, Ccc-slp, Do NPPES

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

DR. DENISE FERDENZI MA, CCC-SLP, DO (NPI 1174669659) is an individual student in an organized health care education/training program in West Islip, New York and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1174669659
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameDR. DENISE FERDENZICredential: MA, CCC-SLP, DO
Location Address1000 MONTAUK HWYWest Islip, NY 11795-4927
Mailing Address1000 Montauk HwyWest Islip, NY 11795-4927 · (631) 376-4163 · Fax (631) 376-3420
Phone(631) 376-4163
Fax(631) 376-3420
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateJanuary 30, 2007
Last NPPES UpdateMay 13, 2013
✔ NPI 1174669659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedSpeech-Language PathologistTaxonomy 235Z00000X · License 014257 (NY)
1000 MONTAUK HWY, West Islip, NY 11795
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Denise Ferdenzi Ma, Ccc-slp, Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3274002894
PECOS Enrollment IDI20260513001337
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.

Medicare Billing Reassignment

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

Good Samaritan Hospital Medical Center
Same address
General Acute Care Hospital
1000 MONTAUK HWY
West Islip, NY 11795
  • Reassigned Medicare billing, New York enrollment
  • 395 clinicians in this Medicare group
NPI 1902865355 (631) 376-3000

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

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.

DR. ANTHONY NGUYEN MD
Obstetrics & Gynecology
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163
LAUREN MARIE CHOBAN DO
Emergency Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
MISS MUNMUN AZIZ MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (929) 340-5665
TERENCE JAMES OMALLEY MD
Anesthesiology
1000 MONTAUK HWY, GOOD SAMARITAN HOSPITAL MEDICAL CENTER
WEST ISLIP, NY 11795
Suffolk County (631) 376-4088
PIOTR PAPUZINSKI MD
Internal Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
LAURIE WATERS PA
Physician Assistant
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
SHELLEY MATSON RN
Registered Nurse
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
RIDDA MANZOOR MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163

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 Denise Ferdenzi's NPI number?

The NPI number for Denise Ferdenzi is 1174669659. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Where is Denise Ferdenzi located?

Denise Ferdenzi practices at 1000 Montauk Hwy, West Islip, NY 11795. The listed phone number is (631) 376-4163.

What is Denise Ferdenzi's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Denise Ferdenzi enrolled in Medicare?

Yes. Denise Ferdenzi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Denise Ferdenzi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Denise Ferdenzi reassigns Medicare benefits to Good Samaritan Hospital Medical Center (West Islip, NY). 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 Denise Ferdenzi'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 Denise Ferdenzi was last updated on May 13, 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.