ROCKFORD GASTROENTEROLOGY ASSOCIATES, LTD.
NPI 1871536763
Clinic/Center - Ambulatory Surgical in Rockford, IL

Q: What is Rockford Gastroenterology Associates, Ltd.'s specialty?

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

Active since June 14, 2006

401 ROXBURY RD, ROCKFORD, IL 61107(815) 397-7340(815) 397-7388 Get Directions Write a Review

NPPES record last updated: December 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 17, 2025, Sep 12, 2022 (2 updates tracked since 2022).

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About Rockford Gastroenterology Associates, Ltd. NPPES

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

ROCKFORD GASTROENTEROLOGY ASSOCIATES, LTD. (NPI 1871536763), doing business as Rockford Endoscopy Center, is a healthcare organization registered as an ambulatory surgical in Rockford, Illinois and active in the NPI registry since June 2006. The organization lists Niccole Ranz, Ceo, as its authorized official.

NPPES Registry Identity

NPI1871536763

Entity TypeOrganization

Primary Taxonomy261QA1903X

Legal Business NameROCKFORD GASTROENTEROLOGY ASSOCIATES, LTD.

Location Address401 ROXBURY RDRockford, IL 61107-5075

Mailing Address401 Roxbury RdRockford, IL 61107-5075 · (815) 397-7340 · Fax (815) 397-7388

Phone(815) 397-7340

Fax(815) 397-7388

Organization SubpartNo

Authorized OfficialNiccole RanzCeo · (815) 397-7340

Enumeration DateJune 14, 2006

Last NPPES UpdateDecember 17, 20252 updates tracked since enumeration

NPPES CertifiedDecember 17, 2025

✔ NPI 1871536763 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities

Taxonomy Code261QA1903X

401 ROXBURY RD, Rockford, IL 61107

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Other Names 1

Doing Business AsRockford Endoscopy Center

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, MercyCare Health Plans and more.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)

Rockford Gastroenterology Associates, Ltd. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Rockford Gastroenterology Associates, Ltd., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Amanda Thomas, APN-CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1275196065

401 ROXBURY RD
Rockford, IL 61107

(815) 397-7340

✔ PECOS✔ Accepts MedicareSame address

Clayton Shick, DNP, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1689298036

1100 E NORRIS DR
Ottawa, IL 61350

(815) 433-3100

✔ PECOS✔ Accepts Medicare64 mi

Kirk Leindecker, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1245544667

7435 W TALCOTT AVE
Chicago, IL 60631

(773) 774-8000

✔ PECOS✔ Accepts Medicare64 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

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.

1,063 services1,060 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.

524 services506 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.

198 services198 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

122 services120 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.

103 services103 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.

101 services100 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.

98 services98 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

49 services46 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

47 services45 patients

Injection beneath lining of large bowel using a flexible endoscope 45381

This procedure involves a flexible tube, called an endoscope, being inserted into the large bowel. A small needle is then passed through the tube to inject medication under the bowel lining. This is typically done to treat inflammation or bleeding.

37 services37 patients

Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251

This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.

22 services22 patients

Biopsy of lower large bowel using a flexible endoscope 45331

A biopsy of the lower large bowel involves using a flexible tube with a camera (endoscope) to examine this part of your digestive tract. Small tissue samples may be taken for further examination to detect any abnormalities.

20 services20 patients

Diagnostic exam of lower portion of large bowel using a flexible endoscope 45330

This procedure, known as a sigmoidoscopy, involves using a flexible tube with a camera to examine the lower part of your large bowel. It helps in identifying issues like inflammation, ulcers, or abnormal growths. It's a safe, minimally invasive procedure.

19 services19 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 Rockford Gastroenterology Associates, Ltd.'s NPI number?

The NPI number for Rockford Gastroenterology Associates, Ltd. is 1871536763. It was assigned to this organization in the NPPES registry on June 14, 2006. The provider is doing business as Rockford Endoscopy Center.

Where is Rockford Gastroenterology Associates, Ltd. located?

Rockford Gastroenterology Associates, Ltd. is located at 401 Roxbury Rd, Rockford, IL 61107. The listed phone number is (815) 397-7340.

What is Rockford Gastroenterology Associates, Ltd.'s specialty?

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

Is Rockford Gastroenterology Associates, Ltd. enrolled in Medicare?

Yes. Rockford Gastroenterology Associates, Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Rockford Gastroenterology Associates, Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Certified Registered Nurse Anesthetist (CRNA), reassign their Medicare billing to Rockford Gastroenterology Associates, Ltd.. 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, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Rockford Gastroenterology Associates, Ltd. accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, MercyCare Health Plans and Quartz list Rockford Gastroenterology Associates, Ltd. 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 Rockford Gastroenterology Associates, Ltd. was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.