Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TIN-JON SYIAU MD
NPI 1366511768
Internal Medicine - Nephrology in Alhambra, CA

Q: What is Tin-jon Syiau's NPI number?

The NPI number for Tin-jon Syiau is 1366511768. It was assigned to this individual provider in the NPPES registry on November 7, 2006.

Q: What is Tin-jon Syiau's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Tin-jon Syiau was last updated on October 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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 November 07, 2006

2720 W VALLEY BLVD, ALHAMBRA, CA 91803(626) 712-7811 Get Directions Write a Review

NPPES record last updated: October 10, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

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About Dr. Tin-jon Syiau Md NPPES

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

DR. TIN-JON SYIAU MD (NPI 1366511768) is an individual nephrology provider in Alhambra, California, licensed in California (A64781) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1366511768

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. TIN-JON SYIAUCredential: MD

Location Address2720 W VALLEY BLVDAlhambra, CA 91803-1815

Mailing Address2720 W Valley BlvdAlhambra, CA 91803-1815 · (626) 712-7811

Phone(626) 712-7811

Sole ProprietorYes

Enumeration DateNovember 7, 2006

Last NPPES UpdateOctober 10, 2026

NPPES CertifiedOctober 10, 2026

✔ NPI 1366511768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CA · A64781

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedInternal MedicineTaxonomy 207R00000X · License A64781 (CA)

2720 W VALLEY BLVD, Alhambra, CA 91803

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Other Identifiers 1

Medicaid00A647810CA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tin-jon Syiau's NPI number?

The NPI number for Tin-jon Syiau is 1366511768. It was assigned to this individual provider in the NPPES registry on November 7, 2006.

Where is Tin-jon Syiau located?

Tin-jon Syiau practices at 2720 W Valley Blvd, Alhambra, CA 91803. The listed phone number is (626) 712-7811.

What is Tin-jon Syiau's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for Tin-jon Syiau was last updated on October 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.