Peter Donald Maher IV, M.D., PLLC
NPI 1104910538 · Gastroenterology Physician · Kennewick, WA
Peter Donald Maher IV, M.D., PLLC is a Gastroenterology Physician organization in Kennewick, WA (NPI 1104910538).
Provider details
- NPI number
- 1104910538
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Peter Maher, Owner(509) 735-8600
- License
- MD00035465 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Columbia River Gastroenterology
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2007-12-17
Frequently asked questions
- What is Peter Donald Maher IV, M.D., PLLC's NPI number?
- Peter Donald Maher IV, M.D., PLLC's National Provider Identifier (NPI) is 1104910538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peter Donald Maher IV, M.D., PLLC?
- Peter Donald Maher IV, M.D., PLLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Donald Maher IV, M.D., PLLC located?
- Peter Donald Maher IV, M.D., PLLC's practice location on file with NPPES is 602 N Colorado St, Kennewick, WA 99336-7825.
- What is Peter Donald Maher IV, M.D., PLLC's phone number?
- The practice phone number listed in the NPPES registry for Peter Donald Maher IV, M.D., PLLC is (509) 735-8600.
- Who is the authorized official for Peter Donald Maher IV, M.D., PLLC?
- The authorized official listed on Peter Donald Maher IV, M.D., PLLC's NPPES record is Peter Maher, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peter Donald Maher IV, M.D., PLLC's NPI active?
- Yes — Peter Donald Maher IV, M.D., PLLC's NPI (1104910538) is active in the NPPES registry as of the last update on 2007-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.