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JILL MARIE DIFEBBO MS, CCC-SLP
NPI 1285142729
Speech-Language Pathologist in Newtown Square, PA

Active since January 18, 2018
3537 W CHESTER PIKE, NEWTOWN SQUARE, PA 19073(610) 723-7771(610) 723-7772 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 30, 2021, Jan 18, 2018 (2 updates tracked since 2018).

About Jill Marie Difebbo Ms, Ccc-slp NPPES

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

JILL MARIE DIFEBBO MS, CCC-SLP (NPI 1285142729) is an individual speech-language pathologist provider in Newtown Square, Pennsylvania, licensed in Pennsylvania (SL015154) and active in the NPI registry since January 2018. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1285142729
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameJILL MARIE DIFEBBOCredential: MS, CCC-SLP
Location Address3537 W CHESTER PIKENewtown Square, PA 19073-3701
Mailing Address75 Cricket Ave Apt BArdmore, PA 19003-2217 · (609) 576-9016
Phone(610) 723-7771
Fax(610) 723-7772
Sole ProprietorNo
Enumeration DateJanuary 18, 2018
Last NPPES UpdateNovember 30, 20212 updates tracked since enumeration
NPPES CertifiedNovember 30, 2021
✔ NPI 1285142729 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
Licenses✔ Licensed in PA · SL015154✔ Licensed in CA · 11995
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.
3537 W CHESTER PIKE, Newtown Square, PA 19073
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Secondary Practice Locations 2

Location 1690 Otay Lakes Rd Ste 110Chula Vista, CA 91910-8904 · Phone (619) 475-6910
Location 21915 Guernsey AveAbington, PA 19001-3701 · Phone (215) 659-8600 · Fax (215) 659-4498

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jill Marie Difebbo Ms, Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Avid Pediatric Therapy Group LLC
62 mi
Speech-Language Pathologist
2 RUTGERS RD
Somers Point, NJ 08244
  • Reassigned Medicare billing, New Jersey enrollment
NPI 1952146623 (609) 576-9016

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 14

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

ALLEN RUSSELL HARRIS D.O.
Family Medicine
3537 W CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Delaware County (610) 601-9177
BRETT BURNS
Physical Therapist
3537 W CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Delaware County (610) 723-7771
BEATTY HARRIS SPORTS MEDICINE, LLC
Family Medicine (Sports Medicine)
3537 W CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Delaware County (610) 601-9177
DEVON ANASIEWICZ DPT
Physical Therapist
3537 W CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Delaware County (610) 723-7771
JOSEPH BERTUCCI
Physical Therapist
3537 W CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Delaware County (610) 723-7771
ASHLEY BLACKBURN PT, DPT
Physical Therapist
3537 W CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Delaware County (610) 723-7771
MACKEYS PHARMACY INC
Pharmacy
3537 W CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Delaware County (610) 356-1200
JORDAN BERNSTEIN PT, DPT
Physical Therapist
3537 W CHESTER PIKE
NEWTOWN SQUARE, PA 19073
Delaware County (610) 723-7771

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 Jill Difebbo's NPI number?

The NPI number for Jill Difebbo is 1285142729. It was assigned to this individual provider in the NPPES registry on January 18, 2018.

Where is Jill Difebbo located?

Jill Difebbo practices at 3537 W Chester Pike, Newtown Square, PA 19073. The listed phone number is (610) 723-7771.

What is Jill Difebbo's specialty?

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

Is Jill Difebbo enrolled in Medicare?

Yes. Jill Difebbo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jill Difebbo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jill Difebbo reassigns Medicare benefits to Avid Pediatric Therapy Group LLC (Somers Point, NJ). 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 Jill Difebbo'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 Jill Difebbo was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.