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GRAND RIVER GASTROENTEROLOGY PC
NPI 1164470472
Internal Medicine - Gastroenterology in Grand Rapids, MI

Active since May 05, 2006CLIA 23D0380155 · Waiver
310 LAFAYETTE AVE SE, SUITE 400, GRAND RAPIDS, MI 49503(616) 752-6525(616) 752-6556 Get Directions Write a Review

NPPES record last updated: March 21, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Grand River Gastroenterology Pc NPPES

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

GRAND RIVER GASTROENTEROLOGY PC (NPI 1164470472) is a healthcare organization registered as a gastroenterology in Grand Rapids, Michigan and active in the NPI registry since May 2006. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Dena B Rumisek, Billing, as its authorized official.

NPPES Registry Identity

NPI1164470472
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGRAND RIVER GASTROENTEROLOGY PC
Location Address310 LAFAYETTE AVE SE, SUITE 400Grand Rapids, MI 49503-4693
Mailing Address310 Lafayette Ave Se, Suite 400Grand Rapids, MI 49503-4693 · (616) 752-6525 · Fax (616) 752-6556
Phone(616) 752-6525
Fax(616) 752-6556
Organization SubpartNo
Authorized OfficialDena B RumisekBilling · (616) 752-6529
Enumeration DateMay 5, 2006
Last NPPES UpdateMarch 21, 2022
NPPES CertifiedMarch 21, 2022
✔ NPI 1164470472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedSpecialistTaxonomy 174400000X
310 LAFAYETTE AVE SE, Grand Rapids, MI 49503
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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

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 23D0380155

Grand River Gastroenterology · Grand Rapids, MI
Active · expires Aug 31, 2026
CLIA Number23D0380155
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorSteven A. Crane
Laboratory Phone(616) 774-6525
Laboratory LocationGrand River Gastroenterology310 Lafayette St SE Ste 400, Grand Rapids, MI 49503
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

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

PAUL D HARRIS DO
Internal Medicine (Pulmonary Disease)
310 LAFAYETTE AVE SE, STE 415
GRAND RAPIDS, MI 49503
Kent County (616) 685-5666
DR. MARTIN P. GREYDANUS M.D.
Specialist
310 LAFAYETTE AVE SE, STE 400
GRAND RAPIDS, MI 49503
Kent County (616) 752-6525
GRAND RIVER ENDOSCOPY CENTER, L.L.C.
Clinic/Center (Ambulatory Surgical)
310 LAFAYETTE AVE SE, SUITE 200
GRAND RAPIDS, MI 49503
Kent County (616) 752-5890
ORENA J KIRCHNER FNP
Nurse Practitioner (Family)
310 LAFAYETTE AVE SE, SUITE 400
GRAND RAPIDS, MI 49503
Kent County (616) 752-6525
CHRISTOPHER JOHN MURPHY MD
Internal Medicine (Gastroenterology)
310 LAFAYETTE AVE SE
GRAND RAPIDS, MI 49503
Kent County (216) 536-1528
LUCY LEDESMA NP
Nurse Practitioner (Adult Health)
310 LAFAYETTE AVE SE, STE 410
GRAND RAPIDS, MI 49503
Kent County (616) 685-8200
DR. LENNOX HUGH FORREST PH.D.
Psychologist (Counseling)
310 LAFAYETTE AVE SE, SUITE 325
GRAND RAPIDS, MI 49503
Kent County (616) 249-8486
JENNIFER J LACKMAN PA
Physician Assistant
310 LAFAYETTE AVE SE
GRAND RAPIDS, MI 49503
Kent County (616) 685-8200

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 Grand River Gastroenterology PC's NPI number?

The NPI number for Grand River Gastroenterology PC is 1164470472. It was assigned to this organization in the NPPES registry on May 5, 2006.

Where is Grand River Gastroenterology PC located?

Grand River Gastroenterology PC is located at 310 Lafayette Ave SE Suite 400, Grand Rapids, MI 49503. The listed phone number is (616) 752-6525.

What is Grand River Gastroenterology PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Does Grand River Gastroenterology PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D0380155) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Grand River Gastroenterology PC accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Grand River Gastroenterology PC 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 Grand River Gastroenterology PC was last updated on March 21, 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.