Catherine Irby, PT
NPI 1861619447 · Physical Therapist · Lynnwood, WA
Catherine Irby, PT is a Physical Therapist provider in Lynnwood, WA (NPI 1861619447).
Provider details
- NPI number
- 1861619447
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Female
- Sole proprietor
- No
- License
- PT00002122 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
Registry dates
- Enumerated
- 2007-04-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Catherine Irby's NPI number?
- Catherine Irby's National Provider Identifier (NPI) is 1861619447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Irby's specialty?
- Catherine Irby is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Catherine Irby located?
- Catherine Irby's practice location on file with NPPES is 19401 40th Ave W, Lynnwood, WA 98036-4612.
- What is Catherine Irby's phone number?
- The practice phone number listed in the NPPES registry for Catherine Irby is (425) 670-9987.
- Is Catherine Irby's NPI active?
- Yes — Catherine Irby's NPI (1861619447) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.