Walter Gruenwald, OTR/L
NPI 1508131566 · Occupational Therapist · Oak Harbor, WA
Walter Gruenwald, OTR/L is a Occupational Therapist provider in Oak Harbor, WA (NPI 1508131566).
Provider details
- NPI number
- 1508131566
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Male
- Sole proprietor
- No
- License
- 00004402 (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
14 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
- 2012-03-09
- Last updated
- 2012-03-09
Frequently asked questions
- What is Walter Gruenwald's NPI number?
- Walter Gruenwald's National Provider Identifier (NPI) is 1508131566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Gruenwald's specialty?
- Walter Gruenwald is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Walter Gruenwald located?
- Walter Gruenwald's practice location on file with NPPES is 1168 Nw Kathleen Dr, Oak Harbor, WA 98277-9289.
- What is Walter Gruenwald's phone number?
- The practice phone number listed in the NPPES registry for Walter Gruenwald is (360) 682-6141.
- Is Walter Gruenwald's NPI active?
- Yes — Walter Gruenwald's NPI (1508131566) is active in the NPPES registry as of the last update on 2012-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.