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TOM YI DO A PROFESSIONAL CORPORTATION
NPI 1508970245
Family Medicine in Pasadena, CA

Active since August 19, 2006
65 N MADISON AVE STE 612, PASADENA, CA 91101(626) 449-9800(626) 449-3939 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 2, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About Tom Yi Do A Professional Corportation NPPES

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

TOM YI DO A PROFESSIONAL CORPORTATION (NPI 1508970245) is a healthcare organization registered as a family medicine in Pasadena, California and active in the NPI registry since August 2006. The organization lists Tom Yi, President, as its authorized official.

NPPES Registry Identity

NPI1508970245
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameTOM YI DO A PROFESSIONAL CORPORTATION
Location Address65 N MADISON AVE STE 612Pasadena, CA 91101-5243
Mailing Address65 N Madison Ave Ste 612Pasadena, CA 91101-5243 · (626) 449-9800 · Fax (626) 449-3939
Phone(626) 449-9800
Fax(626) 449-3939
Organization SubpartNo
Authorized OfficialTom YiPresident · (626) 449-9800
Enumeration DateAugust 19, 2006
Last NPPES UpdateApril 2, 20262 updates tracked since enumeration
NPPES CertifiedApril 2, 2026
✔ NPI 1508970245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
65 N MADISON AVE STE 612, Pasadena, CA 91101
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Other Identifiers 1

Other1336198514Npi Under Social

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tom Yi Do A Professional Corportation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Tom Yi Do A Professional Corportation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Tom Yi, D.O.
Family Practice
NPI 1336198514
65 N MADISON AVE STE 612
Pasadena, CA 91101
(626) 449-9800
✔ PECOSSame address

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

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 Tom Yi Do A Professional Corportation's NPI number?

The NPI number for Tom Yi Do A Professional Corportation is 1508970245. It was assigned to this organization in the NPPES registry on August 19, 2006.

Where is Tom Yi Do A Professional Corportation located?

Tom Yi Do A Professional Corportation is located at 65 N Madison Ave Ste 612, Pasadena, CA 91101. The listed phone number is (626) 449-9800.

What is Tom Yi Do A Professional Corportation's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Tom Yi Do A Professional Corportation enrolled in Medicare?

Yes. Tom Yi Do A Professional Corportation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tom Yi Do A Professional Corportation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Tom Yi Do A Professional Corportation. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Tom Yi Do A Professional Corportation was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.