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AGMG ENDOSCOPY CENTER A GENERAL PARTNERSHIP
NPI 1104822808
Clinic/Center - Ambulatory Surgical in Anaheim, CA

Active since June 27, 2005CLIA 05D0984199 · Waiver
1211 W LA PALMA AVE, STE 301, ANAHEIM, CA 92801(714) 284-0737(714) 284-0720 Get Directions Write a Review

NPPES record last updated: October 6, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 6, 2022, Dec 30, 2016, Sep 20, 2016 (3 updates tracked since 2016).

About Agmg Endoscopy Center A General Partnership NPPES

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

AGMG ENDOSCOPY CENTER A GENERAL PARTNERSHIP (NPI 1104822808) is a healthcare organization registered as an ambulatory surgical in Anaheim, California and active in the NPI registry since June 2005. The organization holds a CLIA Waiver certificate valid through March 15, 2027 and lists Carol Leasure, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1104822808
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameAGMG ENDOSCOPY CENTER A GENERAL PARTNERSHIP
Location Address1211 W LA PALMA AVE, STE 301Anaheim, CA 92801-2811
Mailing Address1211 W La Palma Ave, Ste 301Anaheim, CA 92801-2811 · (714) 284-0737 · Fax (714) 284-0720
Phone(714) 284-0737
Fax(714) 284-0720
Organization SubpartNo
Authorized OfficialCarol LeasureOffice Manager · (714) 778-1300
Enumeration DateJune 27, 2005
Last NPPES UpdateOctober 6, 20223 updates tracked since enumeration
NPPES CertifiedOctober 6, 2022
✔ NPI 1104822808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
1211 W LA PALMA AVE, Anaheim, CA 92801
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Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Agmg Endoscopy Center A General Partnership is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20120301000744Non-DME Part B · Ambulatory Surgical CenterDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Agmg Endoscopy Center A General Partnership, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Kevin Kuettel, M.D.
Gastroenterology
NPI 1740286384
1211 W LA PALMA AVE STE 306
Anaheim, CA 92801
(714) 778-1300
✔ PECOS✔ Accepts MedicareSame address
Dennis Riff, M.D.
Gastroenterology
NPI 1922004662
1211 W LA PALMA AVE STE 306
Anaheim, CA 92801
(714) 778-1300
✔ PECOS✔ Accepts MedicareSame address
Brian Riff, MD
Gastroenterology
NPI 1194969030
1211 W LA PALMA AVE STE 306
Anaheim, CA 92801
(714) 778-1300
✔ PECOS✔ Accepts Medicare0.1 mi
Peter Winkle, MD
Gastroenterology
NPI 1992923460
11741 VALLEY VIEW ST A
Cypress, CA 90630
(714) 897-1071
✔ PECOS

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 05D0984199

Agmg Endoscopy Center · Anaheim, CA
Active · expires Mar 15, 2027
CLIA Number05D0984199
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateMarch 16, 2025
Certificate Expiration DateMarch 15, 2027
Laboratory DirectorDennis S. Riff MD
Laboratory Phone(714) 284-0737
Laboratory LocationAgmg Endoscopy Center1211 W La Palma Anaheim Memorial Medical Tower Ste 301, Anaheim, CA 92801
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 6

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 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.
63 services63 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.
58 services58 patients
Biopsy of small bowel (except ileum) using an endoscope 44361
A small bowel biopsy involves using a thin, flexible tube called an endoscope to examine the small intestine and take a small tissue sample. This sample is then examined under a microscope for any abnormalities. It's a safe, minimally invasive procedure.
36 services36 patients
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.
28 services28 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.
13 services13 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.
11 services11 patients

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 Agmg Endoscopy Center A General Partnership's NPI number?

The NPI number for Agmg Endoscopy Center A General Partnership is 1104822808. It was assigned to this organization in the NPPES registry on June 27, 2005.

Where is Agmg Endoscopy Center A General Partnership located?

Agmg Endoscopy Center A General Partnership is located at 1211 W La Palma Ave Ste 301, Anaheim, CA 92801. The listed phone number is (714) 284-0737.

What is Agmg Endoscopy Center A General Partnership's specialty?

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

Is Agmg Endoscopy Center A General Partnership enrolled in Medicare?

Yes. Agmg Endoscopy Center A General Partnership is registered in the Medicare PECOS enrollment system.

When is Agmg Endoscopy Center A General Partnership's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Ambulatory Surgical Center) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Agmg Endoscopy Center A General Partnership?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Gastroenterology, reassign their Medicare billing to Agmg Endoscopy Center A General Partnership. 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. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Agmg Endoscopy Center A General Partnership hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0984199) is associated with this NPI, valid through March 15, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Agmg Endoscopy Center A General Partnership was last updated on October 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.