1. Home
  2. Directory
  3. California
  4. Stanford
  5. Pediatrics
  6. NPI Profile

MR. GERALD CHUNT-SEIN TIU MD, PHD
NPI 1073195608
Pediatrics - Pediatric Hematology-Oncology in Stanford, CA

Active since April 23, 2021PECOS Enrolled
300 PASTEUR DR BLDG L235, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Gerald Chunt-sein Tiu Md, Phd NPPES

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

MR. GERALD CHUNT-SEIN TIU MD, PHD (NPI 1073195608) is an individual pediatric hematology-oncology provider in Stanford, California, licensed in California (GERALDCTIU) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073195608
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameMR. GERALD CHUNT-SEIN TIUCredential: MD, PHD
Location Address300 PASTEUR DR BLDG L235Stanford, CA 94305-2200
Mailing Address750 Welch Rd Ste 200Palo Alto, CA 94304-1509 · (650) 723-5535
Phone(650) 723-4000
Sole ProprietorNo
Enumeration DateApril 23, 2021
Last NPPES UpdateJune 10, 2026
NPPES CertifiedJune 10, 2026
✔ NPI 1073195608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in CA · GERALDCTIU
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
300 PASTEUR DR BLDG L235, Stanford, CA 94305
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Gerald Chunt-sein Tiu Md, Phd 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 11

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

RAYMOND GONG MD
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR BLDG L235
STANFORD, CA 94305
Santa Clara County (650) 736-9861
GONZALO EMMANUEL ASTUDILLO MD
Student in an Organized Health Care Education/Training Program
300 PASTEUR DR BLDG L235
STANFORD, CA 94305
Santa Clara County (650) 725-9352
JESUS RICARDO LOPEZ MD
Student in an Organized Health Care Education/Training Program
300 PASTEUR DR BLDG L235
STANFORD, CA 94305
Santa Clara County (650) 721-5755
ALISHA MARIE MALTOS
Student in an Organized Health Care Education/Training Program
300 PASTEUR DR BLDG L235
STANFORD, CA 94305
Santa Clara County (650) 725-9352
DR. LIN WANG MD
Student in an Organized Health Care Education/Training Program
300 PASTEUR DR BLDG L235
STANFORD, CA 94305
Santa Clara County (650) 724-6194
KYLE DYSON MD
Student in an Organized Health Care Education/Training Program
300 PASTEUR DR BLDG L235
STANFORD, CA 94305
Santa Clara County (650) 723-7211
JOHN CONOR MORAN MD/PHD
Student in an Organized Health Care Education/Training Program
300 PASTEUR DR BLDG L235
STANFORD, CA 94305
Santa Clara County (650) 725-1968
WILLIAM WEY
Student in an Organized Health Care Education/Training Program
300 PASTEUR DR BLDG L235
STANFORD, CA 94305
Santa Clara County (650) 723-7211

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 Gerald Tiu's NPI number?

The NPI number for Gerald Tiu is 1073195608. It was assigned to this individual provider in the NPPES registry on April 23, 2021.

Where is Gerald Tiu located?

Gerald Tiu practices at 300 Pasteur Dr Bldg L235, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Gerald Tiu's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Gerald Tiu enrolled in Medicare?

Yes. Gerald Tiu is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gerald Tiu was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.