What is Justin Hsu's NPI number?

Justin Hsu's National Provider Identifier (NPI) is 1619822806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Justin Hsu's specialty?

Justin Hsu is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Justin Hsu located?

Justin Hsu's practice location on file with NPPES is 4231 Balboa Ave # 587, San Diego, CA 92117-5504.

What is Justin Hsu's phone number?

The practice phone number listed in the NPPES registry for Justin Hsu is (608) 709-8978.

Is Justin Hsu's NPI active?

Yes — Justin Hsu's NPI (1619822806) is active in the NPPES registry as of the last update on 2026-03-11.

IndividualActive

Justin Hsu

NPI 1619822806 · Physician Assistant · San Diego, CA

Justin Hsu is a Physician Assistant provider in San Diego, CA (NPI 1619822806).

Provider details

NPI number: 1619822806
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

4231 Balboa Ave # 587

San Diego, CA 92117-5504

Phone: (608) 709-8978

Street-level locationGet directions

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Mailing address