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SUBURBAN GASTROENTEROLOGY LTD
NPI 1114954633
Legal Medicine in Naperville, IL

Active since June 28, 2006CLIA 14D2042925 · Accreditation
1243 RICKERT DR, NAPERVILLE, IL 60540(630) 527-6450(630) 527-6456 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 23, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About Suburban Gastroenterology Ltd NPPES

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

SUBURBAN GASTROENTEROLOGY LTD (NPI 1114954633) is a healthcare organization registered as a legal medicine in Naperville, Illinois and active in the NPI registry since June 2006. The organization holds an CLIA Accreditation certificate valid through August 13, 2027 and lists Amy Inez Cramer, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1114954633
Entity TypeOrganization
Primary Taxonomy173000000X
Legal Business NameSUBURBAN GASTROENTEROLOGY LTD
Location Address1243 RICKERT DRNaperville, IL 60540-0954
Mailing Address1243 Rickert DrNaperville, IL 60540-0954 · (630) 527-6450 · Fax (630) 527-6456
Phone(630) 527-6450
Fax(630) 527-6456
Organization SubpartNo
Authorized OfficialAmy Inez CramerOffice Manager · (630) 527-6450
Enumeration DateJune 28, 2006
Last NPPES UpdateMarch 23, 20262 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
✔ NPI 1114954633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyLegal MedicineOther Service Providers
Taxonomy Code173000000X
Definition
The specialty areas of medicine concerned with matters of, and relations with, substantive law and legal institutions; such as the conduct of medical examinations at crime scenes, performance of autopsies, giving of expert medical testimony in judicial proceedings, medical treatment of inmates of penal institutions, the practice of trauma medicine in law enforcement settings, and other clinical practice and medical science applications in the fields of law, law enforcement, and corrections.
1243 RICKERT DR, Naperville, IL 60540
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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)

Suburban Gastroenterology Ltd 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
StateIllinoisEnrollment IDO20040927000348Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

22

Medicare enrollment records show 22 clinicians reassign Medicare billing to Suburban Gastroenterology Ltd, which bills Medicare for the services they deliver. Of these, 15 practice at this address and 17 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Gastroenterology11
Nurse Practitioner7
Pathology4

Nearest to this location (20)

See all 22
Alexis Thatcher, APN-CNP
Nurse Practitioner
NPI 1548082175
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Abhishek Bhandari, M.D.
Gastroenterology
NPI 1194092031
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Sidharth Bhandari, D.O.
Gastroenterology
NPI 1871941435
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Michelle Bianzon, AGPCNP
Nurse Practitioner
NPI 1144623752
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Thomas Couri, M.D.
Gastroenterology
NPI 1619357639
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Jacob Dibattista, MD
Gastroenterology
NPI 1992263347
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Jessica Harnish, NP
Nurse Practitioner
NPI 1427453539
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Melissa Rivette, FNP-BC
Nurse Practitioner
NPI 1235524711
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Maureen Zamora, APN
Nurse Practitioner
NPI 1356816243
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Sushama Gundlapalli, M.D.
Gastroenterology
NPI 1568401529
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Darren Kastin, M.D.
Gastroenterology
NPI 1164402244
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Shivani Kiriluk, D.O.
Gastroenterology
NPI 1619125598
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Patricia Last, DNP, FNP-BC
Nurse Practitioner
NPI 1508433376
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Andrea Sarna
Nurse Practitioner
NPI 1255077665
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOS✔ Accepts MedicareSame address
Gonzalo Pandolfi, MD
Gastroenterology
NPI 1821010760
1243 RICKERT DR
Naperville, IL 60540
(630) 527-6450
✔ PECOSSame address
Richard Anderson, MD
Pathology
NPI 1396823290
801 S WASHINGTON STREET EDWARD HOSPITAL
Naperville, IL 60566
(630) 355-0450
✔ PECOS✔ Accepts Medicare1.4 mi
Dwight Morrow, MD
Pathology
NPI 1730267766
801 S WASHINGTON STREET EDWARD HOSPITAL
Naperville, IL 60566
(630) 355-0450
✔ PECOS✔ Accepts Medicare1.4 mi
Aditya Dholakia, D.O.
Gastroenterology
NPI 1770715989
2160 S 1ST AVE LUH NORTH ENTRANCE ROOM 7611A
Maywood, IL 60153
(708) 216-6496
✔ PECOS✔ Accepts Medicare19 mi
Praveen Mettu, M.D.
Gastroenterology
NPI 1326214891
1740 W TAYLOR ST
Chicago, IL 60612
(866) 600-2273
✔ PECOS✔ Accepts Medicare27 mi
Shreenath Bishu, MD
Pathology
NPI 1477703189
1000 N WESTMORELAND RD APT 3704
Lake Forest, IL 60045
(847) 535-6218
✔ PECOS✔ Accepts Medicare38 mi
See all 22 clinicians

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 Accreditation 14D2042925

Suburban Gastroenterology Ltd · Naperville, IL
Active · expires Aug 13, 2027
CLIA Number14D2042925
Laboratory TypePhysician Office
Certificate Effective DateAugust 14, 2025
Certificate Expiration DateAugust 13, 2027
Laboratory DirectorDr. Richard R. Anderson
Laboratory Phone(630) 527-6450
Laboratory LocationSuburban Gastroenterology Ltd1243 Rickert Dr - Histology, Naperville, IL 60540
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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 Suburban Gastroenterology Ltd's NPI number?

The NPI number for Suburban Gastroenterology Ltd is 1114954633. It was assigned to this organization in the NPPES registry on June 28, 2006.

Where is Suburban Gastroenterology Ltd located?

Suburban Gastroenterology Ltd is located at 1243 Rickert Dr, Naperville, IL 60540. The listed phone number is (630) 527-6450.

What is Suburban Gastroenterology Ltd's specialty?

The primary specialty registered for this NPI is Legal Medicine with taxonomy code 173000000X.

Is Suburban Gastroenterology Ltd enrolled in Medicare?

Yes. Suburban Gastroenterology Ltd is registered in the Medicare PECOS enrollment system.

When is Suburban Gastroenterology Ltd'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 (Illinois, Clinic/Group Practice) 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 Suburban Gastroenterology Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 22 clinicians in 3 Medicare specialties reassign their Medicare billing to Suburban Gastroenterology 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. The largest specialties are Gastroenterology (11), Nurse Practitioner (7) and Pathology (4). Of these, 15 practice at this address and 17 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Suburban Gastroenterology Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 14D2042925) is associated with this NPI, valid through August 13, 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 Suburban Gastroenterology Ltd was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.