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GLENDORA CA ENDOSCOPY ASC LP
NPI 1821285073
Clinic/Center - Ambulatory Surgical in Glendora, CA

Active since October 02, 2007CLIA 05D1022612 · Waiver
1794 S BARRANCA AVE, GLENDORA, CA 91740(626) 858-4600(626) 858-4601 Get Directions Write a Review

NPPES record last updated: August 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Glendora Ca Endoscopy Asc Lp NPPES

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

GLENDORA CA ENDOSCOPY ASC LP (NPI 1821285073), doing business as Glendora Digestive Disease Institute, is a healthcare organization registered as an ambulatory surgical in Glendora, California and active in the NPI registry since October 2007. The organization holds a CLIA Waiver certificate valid through February 19, 2028 and lists Jeffrey Snodgrass, President, as its authorized official.

NPPES Registry Identity

NPI1821285073
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameGLENDORA CA ENDOSCOPY ASC LP
Location Address1794 S BARRANCA AVEGlendora, CA 91740-5421
Mailing Address1a Burton Hills Blvd Ste 300Nashville, TN 37215-6153 · (615) 263-4011 · Fax (615) 234-1720
Phone(626) 858-4600
Fax(626) 858-4601
Organization SubpartNo
Authorized OfficialJeffrey SnodgrassPresident · (615) 665-1283
Enumeration DateOctober 2, 2007
Last NPPES UpdateAugust 26, 2025
NPPES CertifiedAugust 26, 2025
✔ NPI 1821285073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
1794 S BARRANCA AVE, Glendora, CA 91740
Open in Google Maps ↗

Other Names 1

Doing Business AsGlendora Digestive Disease Institute

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 05D1022612

Glendora Ca Endoscopy ASC LP · Glendora, CA
Active · expires Feb 19, 2028
CLIA Number05D1022612
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateFebruary 20, 2026
Certificate Expiration DateFebruary 19, 2028
Laboratory DirectorShahnawaz S. Jaffer
Laboratory Phone(626) 858-4600
Laboratory LocationGlendora Ca Endoscopy ASC LP1794 S Barranca Ave, Glendora, CA 91740
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
323 services314 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
312 services309 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
211 services210 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
77 services77 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
62 services62 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
41 services41 patients

Other Providers at the Same Location NPPES 2

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

GLENDORA ANESTHESIA ASSOCIATES LP
Nurse Anesthetist, Certified Registered
1794 S BARRANCA AVE
GLENDORA, CA 91740
Los Angeles County (626) 858-4600
COVINA ENDOSCOPY CENTER, INC.
Clinic/Center (Ambulatory Surgical)
1794 S BARRANCA AVE
GLENDORA, CA 91740
Los Angeles County (626) 858-4600

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 Glendora Ca Endoscopy ASC LP's NPI number?

The NPI number for Glendora Ca Endoscopy ASC LP is 1821285073. It was assigned to this organization in the NPPES registry on October 2, 2007. The provider is doing business as Glendora Digestive Disease Institute.

Where is Glendora Ca Endoscopy ASC LP located?

Glendora Ca Endoscopy ASC LP is located at 1794 S Barranca Ave, Glendora, CA 91740. The listed phone number is (626) 858-4600.

What is Glendora Ca Endoscopy ASC LP's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Does Glendora Ca Endoscopy ASC LP hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1022612) is associated with this NPI, valid through February 19, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Glendora Ca Endoscopy ASC LP was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.