Joanne Sparrow, PHD
NPI 1366897837 · Clinical Psychologist · Seattle, WA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Sparrow, PHD is a Clinical Psychologist provider in Seattle, WA (NPI 1366897837).
Provider details
- NPI number
- 1366897837
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PY60918972 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 8641 236th Ave NeRedmond, WA 98053-1977Phone: (510) 593-5424
Registry dates
- Enumerated
- 2016-05-03
- Last updated
- 2023-02-10
- Certified
- 2023-02-10
Frequently asked questions
- What is Joanne Sparrow's NPI number?
- Joanne Sparrow's National Provider Identifier (NPI) is 1366897837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Sparrow's specialty?
- Joanne Sparrow is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Joanne Sparrow located?
- Joanne Sparrow's practice location on file with NPPES is 3429 Fremont Ave N Ste 317, Seattle, WA 98103-8811.
- What is Joanne Sparrow's phone number?
- The practice phone number listed in the NPPES registry for Joanne Sparrow is (206) 300-2452.
- Does Joanne Sparrow accept Medicare?
- Joanne Sparrow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Sparrow's NPI active?
- Yes — Joanne Sparrow's NPI (1366897837) is active in the NPPES registry as of the last update on 2023-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.