What is William Kuo's NPI number?

William Kuo's National Provider Identifier (NPI) is 1366311953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Kuo's specialty?

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

Where is William Kuo located?

William Kuo's practice location on file with NPPES is 618 Ravenna Ter, Fremont, CA 94536-3281.

What is William Kuo's phone number?

The practice phone number listed in the NPPES registry for William Kuo is (510) 284-9820.

Is William Kuo's NPI active?

Yes — William Kuo's NPI (1366311953) is active in the NPPES registry as of the last update on 2026-04-21.

IndividualActive

William Kuo

NPI 1366311953 · Physician Assistant · Fremont, CA

William Kuo is a Physician Assistant provider in Fremont, CA (NPI 1366311953).

Provider details

NPI number: 1366311953
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

618 Ravenna Ter

Fremont, CA 94536-3281

Phone: (510) 284-9820

Street-level locationGet directions

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Mailing address