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KEYSTONE CLINICAL STUDIES, LLC
NPI 1508139288
Clinic/Center - Adult Mental Health in Norristown, PA

Active since February 11, 2012CLIA Certified · 2 labs
2460 GENERAL ARMISTEAD AVE, SUITE 300, NORRISTOWN, PA 19403(610) 737-7843 Get Directions Write a Review

NPPES record last updated: February 11, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Keystone Clinical Studies, Llc NPPES

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

KEYSTONE CLINICAL STUDIES, LLC (NPI 1508139288) is a healthcare organization registered as an adult mental health in Norristown, Pennsylvania and active in the NPI registry since February 2012. The organization holds 2 active CLIA laboratory certificates and lists Cherian Verghese, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1508139288
Entity TypeOrganization
Primary Taxonomy261QM0850X
Legal Business NameKEYSTONE CLINICAL STUDIES, LLC
Location Address2460 GENERAL ARMISTEAD AVE, SUITE 300Norristown, PA 19403-5239
Mailing Address5610 Limeport RdEmmaus, PA 18049-4649 · (610) 277-8073
Phone(610) 737-7843
Organization SubpartNo
Authorized OfficialCherian VergheseMedical Director · (610) 277-8073
Enumeration DateFebruary 11, 2012
✔ NPI 1508139288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Adult Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0850X
License✔ Licensed in PA · MD 04556L
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
2460 GENERAL ARMISTEAD AVE, Norristown, PA 19403
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CLIA Laboratory Certificates CMS CLIA 2

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 39D1049256

Keystone Clinical Studies LLC Dba Flourish Res · Plymouth Meeting, PA
Active · expires Dec 28, 2027
CLIA Number39D1049256
Laboratory TypeClinical Research Site
Certificate Effective DateDecember 29, 2025
Certificate Expiration DateDecember 28, 2027
Laboratory DirectorDr. Cherian Verghese
Laboratory Phone(610) 277-8073
Laboratory LocationKeystone Clinical Studies LLC Dba Flourish Res920 Germantown Pike, Suite 102 & 203, Plymouth Meeting, PA 19462
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 39D2326313

Keystone Clinical Studies, LLC · Plymouth Meeting, PA
Active · expires Jun 30, 2027
CLIA Number39D2326313
Laboratory TypeClinical Research Fac
Certificate Effective DateJuly 1, 2025
Certificate Expiration DateJune 30, 2027
Laboratory DirectorDr. Cameron S. Olezene
Laboratory Phone(610) 277-8073
Laboratory LocationKeystone Clinical Studies, LLC920 Germantown Pike, Suite 203, Plymouth Meeting, PA 19462
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Keystone Clinical Studies, LLC's NPI number?

The NPI number for Keystone Clinical Studies, LLC is 1508139288. It was assigned to this organization in the NPPES registry on February 11, 2012.

Where is Keystone Clinical Studies, LLC located?

Keystone Clinical Studies, LLC is located at 2460 General Armistead Ave Suite 300, Norristown, PA 19403. The listed phone number is (610) 737-7843.

What is Keystone Clinical Studies, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.

Does Keystone Clinical Studies, LLC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Keystone Clinical Studies, LLC was last updated on February 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.