1. Home
  2. Directory
  3. Pennsylvania
  4. Pottstown
  5. Social Worker
  6. NPI Profile

GILLIAN SLOCUM ROSS LCSW
NPI 1942373394
Social Worker - Clinical in Pottstown, PA

Active since November 15, 2006PECOS EnrolledAccepts Medicare Assignment
543 WALNUT ST, POTTSTOWN, PA 19464(484) 433-1963(610) 718-5395 Get Directions Write a Review

NPPES record last updated: March 9, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gillian Slocum Ross Lcsw NPPES

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

GILLIAN SLOCUM ROSS LCSW (NPI 1942373394) is an individual clinical provider in Pottstown, Pennsylvania, licensed in Pennsylvania (CW013848) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1942373394
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGILLIAN SLOCUM ROSSCredential: LCSW
Location Address543 WALNUT STPottstown, PA 19464-5625
Mailing Address527 N Charlotte StPottstown, PA 19464-4602 · (484) 433-1963 · Fax (610) 718-5395
Phone(484) 433-1963
Fax(610) 718-5395
Sole ProprietorYes
Medical School CMSOtherGraduated 1997
Enumeration DateNovember 15, 2006
Last NPPES UpdateMarch 9, 2015
✔ NPI 1942373394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in PA · CW013848
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
543 WALNUT ST, Pottstown, PA 19464
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified074581FRK
Medicare ID-Type UnspecifiedQ00907

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gillian Slocum Ross Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9436057734
PECOS Enrollment IDI20031223000639
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 Gillian Slocum Ross reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychology & Counseling Associates, PC
1.9 mi
Clinical
2091 E HIGH ST
Pottstown, PA 19464
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 52 clinicians in this Medicare group
NPI 1750303368 (610) 970-5234

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19464 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $59.88 – $180.99
Typical copayment $0.00 (range $14.97 – $45.24)
Most-billed visit code NA
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Slocum Ross's NPI number?

The NPI number for Gillian Slocum Ross is 1942373394. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Gillian Slocum Ross located?

Gillian Slocum Ross practices at 543 Walnut St, Pottstown, PA 19464. The listed phone number is (484) 433-1963.

What is Gillian Slocum Ross's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Gillian Slocum Ross enrolled in Medicare?

Yes. Gillian Slocum Ross is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gillian Slocum Ross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Slocum Ross reassigns Medicare benefits to Psychology & Counseling Associates, PC (Pottstown, 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 Slocum Ross'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 Slocum Ross was last updated on March 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.