DR. REX W HUANG MD
NPI 1467636662
Psychiatry & Neurology - Child & Adolescent Psychiatry in Redwood City, CA

Active since December 24, 2007PECOS Enrolled
1400 VETERANS BLVD FL 4, REDWOOD CITY, CA 94063(650) 299-4748 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 11, 2025, Feb 11, 2022 (2 updates tracked since 2022).

About Dr. Rex W Huang Md NPPES

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

DR. REX W HUANG MD (NPI 1467636662) is an individual child & adolescent psychiatry provider in Redwood City, California, licensed in California (A104286) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467636662
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. REX W HUANGCredential: MD
Location Address1400 VETERANS BLVD FL 4Redwood City, CA 94063-2612
Mailing Address1400 Veterans Blvd Fl 4Redwood City, CA 94063-2612 · (650) 299-4748
Sole ProprietorYes
Enumeration DateDecember 24, 2007
Last NPPES UpdateNovember 11, 20252 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1467636662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in CA · A104286
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License A104286 (CA)
1400 VETERANS BLVD FL 4, Redwood City, CA 94063

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rex W Huang 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.

Medicare Billing Reassignment

Medicare enrollment records show Rex Huang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 10

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

Nurse Practitioner (Psychiatric/Mental Health)
1400 VETERANS BLVD FL 4
REDWOOD CITY, CA 94063
Psychologist
1400 VETERANS BLVD FL 4
REDWOOD CITY, CA 94063
Psychiatry & Neurology (Psychiatry)
1400 VETERANS BLVD FL 4
REDWOOD CITY, CA 94063
Psychiatry & Neurology (Psychiatry)
1400 VETERANS BLVD FL 4
REDWOOD CITY, CA 94063
Psychologist (Clinical Child & Adolescent)
1400 VETERANS BLVD FL 4
REDWOOD CITY, CA 94063
Psychologist (Clinical)
1400 VETERANS BLVD FL 4
REDWOOD CITY, CA 94063
Psychologist
1400 VETERANS BLVD FL 4
REDWOOD CITY, CA 94063
Psychologist (Clinical)
1400 VETERANS BLVD FL 4
REDWOOD CITY, CA 94063

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 Rex Huang's NPI number?

The NPI number for Rex Huang is 1467636662. It was assigned to this individual provider in the NPPES registry on December 24, 2007.

Where is Rex Huang located?

Rex Huang practices at 1400 Veterans Blvd Fl 4, Redwood City, CA 94063. The listed phone number is (650) 299-4748.

What is Rex Huang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Rex Huang enrolled in Medicare?

Yes. Rex Huang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rex Huang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rex Huang reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rex Huang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rex Huang was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.