Brendan Irwin, D.C.
NPI 1447673983 · Chiropractor · Spokane, WA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brendan Irwin, D.C. is a Chiropractor provider in Spokane, WA (NPI 1447673983).
Provider details
- NPI number
- 1447673983
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- CHI 1584 (ID)
Specialties & taxonomies
Chiropractic Providers
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
Registry dates
- Enumerated
- 2014-02-03
- Last updated
- 2017-05-06
Frequently asked questions
- What is Brendan Irwin's NPI number?
- Brendan Irwin's National Provider Identifier (NPI) is 1447673983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Irwin's specialty?
- Brendan Irwin is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Brendan Irwin located?
- Brendan Irwin's practice location on file with NPPES is 3324 S Grand Blvd, Spokane, WA 99203-2619.
- What is Brendan Irwin's phone number?
- The practice phone number listed in the NPPES registry for Brendan Irwin is (509) 838-7973.
- Does Brendan Irwin accept Medicare?
- Brendan Irwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brendan Irwin's NPI active?
- Yes — Brendan Irwin's NPI (1447673983) is active in the NPPES registry as of the last update on 2017-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.