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CHRISTINE K. WON, MD, A CALIFORNIA MEDICAL CORPORATION
NPI 1447447032
Internal Medicine in Pasadena, CA

Active since September 27, 2007
50 BELLEFONTAINE ST, SUITE 305, PASADENA, CA 91105(626) 795-0415(626) 795-0475 Get Directions Write a Review

NPPES record last updated: September 27, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Christine K. Won, Md, A California Medical Corporation NPPES

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

CHRISTINE K. WON, MD, A CALIFORNIA MEDICAL CORPORATION (NPI 1447447032) is a healthcare organization registered as an internal medicine in Pasadena, California and active in the NPI registry since September 2007. The organization lists Christine K Won, President, as its authorized official.

NPPES Registry Identity

NPI1447447032
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCHRISTINE K. WON, MD, A CALIFORNIA MEDICAL CORPORATION
Location Address50 BELLEFONTAINE ST, SUITE 305Pasadena, CA 91105-3132
Mailing Address50 Bellefontaine St, Suite 305Pasadena, CA 91105-3132 · (626) 795-0415 · Fax (626) 795-0475
Phone(626) 795-0415
Fax(626) 795-0475
Organization SubpartNo
Authorized OfficialChristine K WonPresident · (626) 795-0415
Enumeration DateSeptember 27, 2007
✔ NPI 1447447032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G075111
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
50 BELLEFONTAINE ST, Pasadena, CA 91105
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINF81918CA

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)

Christine K. Won, Md, A California Medical Corporation 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 Christine K. Won, MD, A California Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Christine Won, M.D.
Internal Medicine
NPI 1750350252
950 S ARROYO PKWY STE 240
Pasadena, CA 91105
(626) 793-8455
✔ PECOS✔ Accepts Medicare0.3 mi

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 Christine K. Won, MD, A California Medical Corporation's NPI number?

The NPI number for Christine K. Won, MD, A California Medical Corporation is 1447447032. It was assigned to this organization in the NPPES registry on September 27, 2007.

Where is Christine K. Won, MD, A California Medical Corporation located?

Christine K. Won, MD, A California Medical Corporation is located at 50 Bellefontaine St Suite 305, Pasadena, CA 91105. The listed phone number is (626) 795-0415.

What is Christine K. Won, MD, A California Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Christine K. Won, MD, A California Medical Corporation enrolled in Medicare?

Yes. Christine K. Won, MD, A California Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Christine K. Won, MD, A California Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Christine K. Won, MD, A California Medical Corporation. 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 Christine K. Won, MD, A California Medical Corporation was last updated on September 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.