1. Home
  2. Directory
  3. Washington
  4. Kennewick
  5. Internal Medicine
  6. NPI Profile

COLUMBIA RIVER GASTROENTEROLOGY
NPI 1104910538
Internal Medicine - Gastroenterology in Kennewick, WA

Active since October 02, 2006
602 N COLORADO ST, SUITE D, KENNEWICK, WA 99336(509) 735-8600(509) 783-7354 Get Directions Write a Review

NPPES record last updated: December 17, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Columbia River Gastroenterology NPPES

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

COLUMBIA RIVER GASTROENTEROLOGY (NPI 1104910538) is a healthcare organization registered as a gastroenterology in Kennewick, Washington and active in the NPI registry since October 2006. The organization lists Peter Donald Maher, Owner, as its authorized official.

NPPES Registry Identity

NPI1104910538
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NamePETER DONALD MAHER IV, M.D., PLLC
Location Address602 N COLORADO ST, SUITE DKennewick, WA 99336-7825
Mailing Address602 N Colorado St, Suite DKennewick, WA 99336-7825 · (509) 735-8600 · Fax (509) 783-7354
Phone(509) 735-8600
Fax(509) 783-7354
Organization SubpartNo
Authorized OfficialPeter Donald MaherOwner · (509) 735-8600
Enumeration DateOctober 2, 2006
Last NPPES UpdateDecember 17, 2007
✔ NPI 1104910538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in WA · MD00035465
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.
602 N COLORADO ST, Kennewick, WA 99336
Open in Google Maps ↗

Other Names 1

Doing Business AsColumbia River Gastroenterology

Other Identifiers 3

Medicare UPING55470
Medicaid1111962WA
Medicare PING8856213WA

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

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.

MRS. STACEY ANN DESCHAMPS ARNP
Nurse Practitioner
602 N COLORADO ST, SUITE D
KENNEWICK, WA 99336
Benton County (509) 735-8600
IRENE G LUC PT,DPT,OCS,NPS
Physical Therapist
602 N COLORADO ST, STE 110
KENNEWICK, WA 99336
Benton County (509) 396-3707

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 Peter Donald Maher IV, M.D., PLLC's NPI number?

The NPI number for Peter Donald Maher IV, M.D., PLLC is 1104910538. It was assigned to this organization in the NPPES registry on October 2, 2006. The provider is doing business as Columbia River Gastroenterology.

Where is Peter Donald Maher IV, M.D., PLLC located?

Peter Donald Maher IV, M.D., PLLC is located at 602 N Colorado St Suite D, Kennewick, WA 99336. The listed phone number is (509) 735-8600.

What is Peter Donald Maher IV, M.D., PLLC's specialty?

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

When was this NPI record last updated?

The NPPES record for Peter Donald Maher IV, M.D., PLLC was last updated on December 17, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.