DR. TIMOTHY YOUNGKYUN WOO DC
NPI 1962025437
Chiropractor in San Carlos, CA

Q: What is Timothy Woo's NPI number?

The NPI number for Timothy Woo is 1962025437. It was assigned to this individual provider in the NPPES registry on May 19, 2020.

Q: What is Timothy Woo's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Woo was last updated on April 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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 19, 2020

1100 LAUREL ST STE D, SAN CARLOS, CA 94070(650) 226-8348(650) 666-6747 Get Directions Write a Review

NPPES record last updated: April 20, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 20, 2021, May 19, 2020 (2 updates tracked since 2020).

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About Dr. Timothy Youngkyun Woo Dc NPPES

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

DR. TIMOTHY YOUNGKYUN WOO DC (NPI 1962025437) is an individual chiropractor in San Carlos, California, licensed in California (DC34689) and active in the NPI registry since May 2020. He is a graduate of Palmer College Chiropractic - West Sunnyvale (2019).

NPPES Registry Identity

NPI1962025437

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. TIMOTHY YOUNGKYUN WOOCredential: DC

Location Address1100 LAUREL ST STE DSan Carlos, CA 94070-5000

Mailing Address1100 Laurel St Ste DSan Carlos, CA 94070-5000 · (650) 226-8348 · Fax (650) 666-6747

Phone(650) 226-8348

Fax(650) 666-6747

Sole ProprietorNo

Medical School CMSPalmer College Chiropractic - West SunnyvaleGraduated 2019

Enumeration DateMay 19, 2020

Last NPPES UpdateApril 20, 20212 updates tracked since enumeration

NPPES CertifiedApril 20, 2021

✔ NPI 1962025437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · DC34689

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

1100 LAUREL ST STE D, San Carlos, CA 94070

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Timothy Youngkyun Woo Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022573898

PECOS Enrollment IDI20260722001745

Medicare Billing Reassignment

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

Nguyen Chiropractic Corporation

79 mi

Chiropractor

1122 CORPORATE WAY SUITE 300
Sacramento, CA 95831

Reassigned Medicare billing, California enrollment
4 clinicians in this Medicare group

NPI 1124468004 (916) 395-5804

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 3

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

DR. SCOTT NISSENBAUM CHIROPRACTIC LLC

Chiropractor (Rehabilitation)

1100 LAUREL ST STE D
SAN CARLOS, CA 94070

San Mateo County (650) 226-8348

PERFECTLY ALIGNED WELLNESS, A NISSENBAUM CHIROPRACTIC PC

Chiropractor

1100 LAUREL ST STE D
SAN CARLOS, CA 94070

San Mateo County (650) 226-8348

DR. SCOTT DAVID NISSENBAUM DC

Chiropractor

1100 LAUREL ST STE D
SAN CARLOS, CA 94070

San Mateo County (415) 302-9007

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 Timothy Woo's NPI number?

The NPI number for Timothy Woo is 1962025437. It was assigned to this individual provider in the NPPES registry on May 19, 2020.

Where is Timothy Woo located?

Timothy Woo practices at 1100 Laurel St Ste D, San Carlos, CA 94070. The listed phone number is (650) 226-8348.

What is Timothy Woo's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Timothy Woo enrolled in Medicare?

Yes. Timothy Woo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Timothy Woo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Woo reassigns Medicare benefits to Nguyen Chiropractic Corporation (Sacramento, 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 Timothy Woo'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 Timothy Woo was last updated on April 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.