What is Joel Grossbard's NPI number?

Joel Grossbard's National Provider Identifier (NPI) is 1619303302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joel Grossbard's specialty?

Joel Grossbard is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Joel Grossbard located?

Joel Grossbard's practice location on file with NPPES is 1307 N 45th St, Seattle, WA 98103-6741.

What is Joel Grossbard's phone number?

The practice phone number listed in the NPPES registry for Joel Grossbard is (206) 947-0152.

Is Joel Grossbard's NPI active?

Yes — Joel Grossbard's NPI (1619303302) is active in the NPPES registry as of the last update on 2026-02-12.

IndividualActive

Joel Grossbard, PHD

NPI 1619303302 · Psychologist · Seattle, WA

Joel Grossbard, PHD is a Psychologist provider in Seattle, WA (NPI 1619303302).

Provider details

NPI number: 1619303302
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Male
Sole proprietor: No
License: PY60309240 (WA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PY60309240 (WA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(77/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
12 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

1307 N 45th St

Suite 200

Seattle, WA 98103-6741

Phone: (206) 947-0152

Street-level locationGet directions

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Mailing address