Shirley Gassner, ARNP
NPI 1093953770 · Psychiatric/Mental Health Nurse Practitioner · Seattle, WA
Shirley Gassner, ARNP is a Psychiatric/Mental Health Nurse Practitioner provider in Seattle, WA (NPI 1093953770).
Provider details
- NPI number
- 1093953770
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP30008035 (WA)
Specialties & taxonomies
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
17 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
- 2009-02-03
- Last updated
- 2009-02-03
Frequently asked questions
- What is Shirley Gassner's NPI number?
- Shirley Gassner's National Provider Identifier (NPI) is 1093953770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shirley Gassner's specialty?
- Shirley Gassner is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shirley Gassner located?
- Shirley Gassner's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Shirley Gassner's phone number?
- The practice phone number listed in the NPPES registry for Shirley Gassner is (206) 744-7623.
- Is Shirley Gassner's NPI active?
- Yes — Shirley Gassner's NPI (1093953770) is active in the NPPES registry as of the last update on 2009-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.