KEYSTONE CLINICAL STUDIES, LLC
NPI 1508139288
Clinic/Center - Adult Mental Health in Norristown, PA
NPI Status: Active since February 11, 2012
Contact Information
2460 GENERAL ARMISTEAD AVE
SUITE 300
NORRISTOWN, PA
ZIP 19403
Phone: (610) 737-7843
- Organization
- Clinic/Center
- Adult Mental Health
- CLIA Number: 39D1049256
- CLIA Cert. Type: Other - CLINICAL RESEARCH SITE
- CLIA Exp. Date: 12-28-2027
About KEYSTONE CLINICAL STUDIES, LLC
This page provides the complete NPI Profile along with additional information for Keystone Clinical Studies, Llc, a provider established in Norristown, Pennsylvania operating as a Clinic/center, focusing in adult mental health . The healthcare provider is registered in the NPI registry with number 1508139288 assigned on February 2012. The practitioner's primary taxonomy code is 261QM0850X with license number MD 04556L (PA). The provider is registered as an organization and their NPI record was last updated 14 years ago. The authorized official of this NPI record is Dr. Cherian Verghese Md (Medical Director)
- NPI
- 1508139288
- Provider Name
- KEYSTONE CLINICAL STUDIES, LLC
- Entity Type
- Organization
- Location Address
- 2460 GENERAL ARMISTEAD AVE SUITE 300 NORRISTOWN, PA 19403
- Location Phone
- (610) 737-7843
- Mailing Address
- 5610 LIMEPORT RD EMMAUS, PA 18049
- Mailing Phone
- (610) 277-8073
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 02-11-2012
- Last Update Date
- 02-11-2012
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Clinic/Center Adult Mental Health
- Taxonomy Code
- 261QM0850X
- Type
- Ambulatory Health Care Facilities
- License No.
- MD 04556L
- License State
- PA
- Taxonomy Description
- An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 39D1049256
- Facility Type
- Other - CLINICAL RESEARCH SITE
- Certificate Effective Date
- December 29, 2025
- Certificate Expiration Date
- December 28, 2027
- Laboratory Director
- DR. CHERIAN VERGHESE
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Keystone Clinical Studies, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1508139288, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1508139288, enumerated as an "organization" on February 11, 2012.
The provider is located at 2460 GENERAL ARMISTEAD AVE SUITE 300 NORRISTOWN, PA 19403 and the phone number is (610) 737-7843.
Clinic/Center with taxonomy code 261QM0850X and a focus in Adult Mental Health.
