WILLIAM LIAO MD
NPI 1194515304
Student in an Organized Health Care Education/Training Program in Colton, CA

Q: What is William Liao's NPI number?

The NPI number for William Liao is 1194515304. It was assigned to this individual provider in the NPPES registry on May 9, 2025.

Q: What is William Liao's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Q: When was this NPI record last updated?

The NPPES record for William Liao was last updated on May 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 09, 2025PECOS Enrolled

400 N PEPPER AVE, COLTON, CA 92324(909) 580-6343 Get Directions Write a Review

NPPES record last updated: May 21, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 21, 2025, May 9, 2025 (2 updates tracked since 2025).

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About William Liao Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM LIAO MD (NPI 1194515304) is an individual student in an organized health care education/training program in Colton, California and active in the NPI registry since May 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194515304

Entity TypeIndividualMale

Primary Taxonomy390200000X

Provider Legal NameWILLIAM LIAOCredential: MD

Location Address400 N PEPPER AVEColton, CA 92324-1801

Mailing Address400 N Pepper AveColton, CA 92324-1801

Phone(909) 580-6343

Sole ProprietorNo

Enumeration DateMay 9, 2025

Last NPPES UpdateMay 21, 20252 updates tracked since enumeration

NPPES CertifiedMay 21, 2025

✔ NPI 1194515304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care

Taxonomy Code390200000X

Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

400 N PEPPER AVE, Colton, CA 92324

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Liao Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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