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

SAM L TSAI MD
NPI 1104575414
Pediatrics - Pediatric Cardiology in Palo Alto, CA

Active since March 22, 2022PECOS Enrolled
750 WELCH RD STE 305, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Sam L Tsai Md NPPES

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

SAM L TSAI MD (NPI 1104575414) is an individual pediatric cardiology provider in Palo Alto, California, licensed in California (A201042) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104575414
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameSAM L TSAICredential: MD
Location Address750 WELCH RD STE 305Palo Alto, CA 94304-1510
Mailing Address750 Welch Rd Ste 305Palo Alto, CA 94304-1510 · (650) 497-8000
Sole ProprietorNo
Enumeration DateMarch 22, 2022
Last NPPES UpdateJuly 28, 2026
NPPES CertifiedJuly 28, 2026
NPI 1104575414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License Licensed in CA · A201042
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedPediatricsTaxonomy 208000000X · License MD.MD.61289622 (WA)
750 WELCH RD STE 305, Palo Alto, CA 94304

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Sam L Tsai 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 3

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

Pediatrics (Pediatric Cardiology)
750 WELCH RD STE 305
PALO ALTO, CA 94304
Student in an Organized Health Care Education/Training Program
750 WELCH RD STE 305
PALO ALTO, CA 94304
Pediatrics (Pediatric Cardiology)
750 WELCH RD STE 305
PALO ALTO, CA 94304

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 Sam Tsai's NPI number?

The NPI number for Sam Tsai is 1104575414. It was assigned to this individual provider in the NPPES registry on March 22, 2022.

Where is Sam Tsai located?

Sam Tsai practices at 750 Welch Rd Ste 305, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Sam Tsai's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Sam Tsai enrolled in Medicare?

Yes. Sam Tsai is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sam Tsai was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.