Kathryn Grindeland, ARNP
NPI 1356451595 · Adult Health Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Grindeland, ARNP is a Adult Health Nurse Practitioner provider in Seattle, WA (NPI 1356451595).
Provider details
- NPI number
- 1356451595
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- 30006337 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing 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
- 2006-08-30
- Last updated
- 2018-03-22
Frequently asked questions
- What is Kathryn Grindeland's NPI number?
- Kathryn Grindeland's National Provider Identifier (NPI) is 1356451595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Grindeland's specialty?
- Kathryn Grindeland is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Grindeland located?
- Kathryn Grindeland's practice location on file with NPPES is 1660 S Columbian Way, Seattle, WA 98108-1532.
- What is Kathryn Grindeland's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Grindeland is (206) 277-5074.
- Does Kathryn Grindeland accept Medicare?
- Kathryn Grindeland is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Grindeland's NPI active?
- Yes — Kathryn Grindeland's NPI (1356451595) is active in the NPPES registry as of the last update on 2018-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.