Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jill Marie Difebbo, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1285142729

Jill Marie Difebbo, MS, CCC-SLP is a Speech-Language Pathologist in Newtown Square, Pennsylvania. Works from 3 locations. Licensed in California and Pennsylvania.

Licensed in
CA, PA
In the registry since
2018
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

3537 W Chester Pike
Newtown Square, PA 19073-3701
Phone: (610) 723-7771
Fax: (610) 723-7772
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 690 Otay Lakes Rd Ste 110, Chula Vista, CA 91910-8904 — (619) 475-6910
  • 1915 Guernsey Ave, Abington, PA 19001-3701 — (215) 659-8600

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence SL015154 (PA)
Speech-Language Pathologist Taxonomy 235Z00000X · Licence 11995 (CA)

Record details

NPI number1285142729
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorNo
NPI enumeratedJanuary 18, 2018
Last updated in NPPESNovember 30, 2021
Certification dateNovember 30, 2021

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