1. Home
  2. Directory
  3. Pennsylvania
  4. Souderton
  5. Speech Language Pathologist
  6. NPI Profile

MRS. GILLIAN RUPP RITZER MS, CCC-SLP
NPI 1922472760
Speech-Language Pathologist in Souderton, PA

Active since November 17, 2015
207 W SUMMIT ST, SOUDERTON, PA 18964(215) 723-9881 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mrs. Gillian Rupp Ritzer Ms, Ccc-slp NPPES

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

MRS. GILLIAN RUPP RITZER MS, CCC-SLP (NPI 1922472760) is an individual speech-language pathologist provider in Souderton, Pennsylvania, licensed in Pennsylvania (SL03322) and active in the NPI registry since November 2015.

NPPES Registry Identity

NPI1922472760
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMRS. GILLIAN RUPP RITZERCredential: MS, CCC-SLP
Location Address207 W SUMMIT STSouderton, PA 18964-2054
Mailing Address237 4th AvePhoenixville, PA 19460-3901 · (610) 417-9707
Phone(215) 723-9881
Sole ProprietorNo
Enumeration DateNovember 17, 2015
Last NPPES UpdateJuly 17, 2025
NPPES CertifiedJuly 17, 2025
✔ NPI 1922472760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in PA · SL03322
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
207 W SUMMIT ST, Souderton, PA 18964
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Gillian Rupp Ritzer Ms, Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Rehabcare Group East, LLC
248 mi
Rehabilitation
8651 CAREY LN
Pittsburgh, PA 15237
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 52 clinicians in this Medicare group
NPI 1770537821 (412) 392-7000

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 12

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

MISS ELAINA RICKARDS M.S., CCC-SLP
Speech-Language Pathologist
207 W SUMMIT ST
SOUDERTON, PA 18964
Montgomery County (215) 723-2182
MR. JEFFREY BONNER PT
Physical Therapist
207 W SUMMIT ST
SOUDERTON, PA 18964
Montgomery County (215) 723-2182
MRS. MARIETTA VAN NESS OTR/L
Occupational Therapist
207 W SUMMIT ST
SOUDERTON, PA 18964
Montgomery County (215) 857-5945
DONNA MARIE AQUILANTE
Physical Therapist
207 W SUMMIT ST
SOUDERTON, PA 18964
Montgomery County (215) 723-2182
STACY CATHERINE PLUMBO OTR/L
Occupational Therapist
207 W SUMMIT ST
SOUDERTON, PA 18964
Montgomery County (267) 865-4691
MARGARET MARY MIRABELLI
Speech-Language Pathologist
207 W SUMMIT ST
SOUDERTON, PA 18964
Montgomery County (215) 723-2697
LAURA ULERY MOTR/L
Occupational Therapist (Physical Rehabilitation)
207 W SUMMIT ST
SOUDERTON, PA 18964
Montgomery County (215) 723-2182
MELISSA A WAGNER MS, OTR/L
Occupational Therapist
207 W SUMMIT ST
SOUDERTON, PA 18964
Montgomery County (215) 723-2697

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 Gillian Ritzer's NPI number?

The NPI number for Gillian Ritzer is 1922472760. It was assigned to this individual provider in the NPPES registry on November 17, 2015.

Where is Gillian Ritzer located?

Gillian Ritzer practices at 207 W Summit St, Souderton, PA 18964. The listed phone number is (215) 723-9881.

What is Gillian Ritzer's specialty?

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

Is Gillian Ritzer enrolled in Medicare?

Yes. Gillian Ritzer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gillian Ritzer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Ritzer reassigns Medicare benefits to Rehabcare Group East, LLC (Pittsburgh, PA). 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 Gillian Ritzer'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 Gillian Ritzer was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.