WEST CHESTER GI ASSOCIATES PC
NPI 1336100924
Internal Medicine - Gastroenterology in West Chester, PA
About West Chester Gi Associates Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WEST CHESTER GI ASSOCIATES PC (NPI 1336100924) is a healthcare organization registered as a gastroenterology in West Chester, Pennsylvania and active in the NPI registry since March 2006. The organization holds a CLIA Waiver certificate valid through August 31, 2028 and lists Lawrence M Weinberg, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
West Chester Gi Associates Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
11Medicare enrollment records show 11 clinicians reassign Medicare billing to West Chester Gi Associates PC, which bills Medicare for the services they deliver. Of these, 10 practice at this address. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (11)
West Chester, PA 19380
Westchester, PA 19380
West Chester, PA 19380
West Chester, PA 19380
West Chester, PA 19380
West Chester, PA 19380
West Chester, PA 19380
West Chester, PA 19380
West Chester, PA 19380
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 39D0864940
West Chester G I Associates PC · West Chester, PAFrequently 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 West Chester Gi Associates PC's NPI number?
The NPI number for West Chester Gi Associates PC is 1336100924. It was assigned to this organization in the NPPES registry on March 31, 2006.
Where is West Chester Gi Associates PC located?
West Chester Gi Associates PC is located at 915 Old Fern Hill Road Building B Suite 300, West Chester, PA 19380. The listed phone number is (610) 431-3122.
What is West Chester Gi Associates PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is West Chester Gi Associates PC enrolled in Medicare?
Yes. West Chester Gi Associates PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through West Chester Gi Associates PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 3 Medicare specialties reassign their Medicare billing to West Chester Gi Associates PC. A 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 the clinician's services. The largest specialties are Gastroenterology (9), Nurse Practitioner (1) and Pathology (1). Of these, 10 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does West Chester Gi Associates PC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 39D0864940) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does West Chester Gi Associates PC accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list West Chester Gi Associates PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for West Chester Gi Associates PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# West Chester Gi Associates Pc · NPI 1336100924
Gastroenterology organization in West Chester, Pennsylvania. Organization record, active in the CMS NPPES registry since March 31, 2006.
## Identity
- **NPI:** 1336100924 (Entity type: Organization)
- **Enumerated:** March 31, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Lawrence Weinberg, PHYSICIAN
## Practice location
- **Address:** 915 OLD FERN HILL ROAD, BUILDING B SUITE 300, West Chester, PA 19380
- **Phone:** (610) 431-3122 · **Fax:** (610) 431-4799
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 11 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (9), Nurse Practitioner (1), Pathology (1); 10 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2020
- **Other identifiers:** Medicaid 0016630620003 (PA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1336100924) · Data from the CMS NPPES public registry.