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CHARLES OWYANG M.D
NPI 1477546299
Pediatrics in Santa Clara, CA

Active since August 26, 2005PECOS Enrolled
710 LAWRENCE EXPY, DEPT 190, SANTA CLARA, CA 95051(408) 851-1112 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Charles Owyang M.d NPPES

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

CHARLES OWYANG M.D (NPI 1477546299) is an individual pediatrics provider in Santa Clara, California, licensed in California (A 68755) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477546299
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameCHARLES OWYANGCredential: M.D
Location Address710 LAWRENCE EXPY, DEPT 190Santa Clara, CA 95051-5173
Mailing Address710 Lawrence Expy, Dept 190Santa Clara, CA 95051-5173 · (408) 851-1112
Phone(408) 851-1112
Sole ProprietorNo
Enumeration DateAugust 26, 2005
Last NPPES UpdateDecember 13, 2021
✔ NPI 1477546299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A 68755
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
710 LAWRENCE EXPY, Santa Clara, CA 95051
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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)

Charles Owyang M.d 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 Charles Owyang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
0.1 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95051 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

MRS. SHARLENE JUNIO MADANES N.P.
Nurse Practitioner (Family)
710 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-3829
ELLEN CHINCHILLI MD
Student in an Organized Health Care Education/Training Program
710 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-3817
SWARNA L KONERU RD
Dietitian, Registered
710 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1000
MRS. BRIDGET M. BOUYSSOUNOUSE P.T.
Physical Therapist
710 LAWRENCE EXPY, DEPT. #174
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1466
FLAIR D. GOLDMAN DPM
Podiatrist
710 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 236-6400
MR. KRISNA P CHAI M.D.
Internal Medicine (Gastroenterology)
710 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1000
KARISSA TAAN MPT
Physical Therapist
710 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1492
ANDREA B. HUTCHINSON MD
Obstetrics & Gynecology
710 LAWRENCE EXPY
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1000

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 Charles Owyang's NPI number?

The NPI number for Charles Owyang is 1477546299. It was assigned to this individual provider in the NPPES registry on August 26, 2005.

Where is Charles Owyang located?

Charles Owyang practices at 710 Lawrence Expy Dept 190, Santa Clara, CA 95051. The listed phone number is (408) 851-1112.

What is Charles Owyang's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Charles Owyang enrolled in Medicare?

Yes. Charles Owyang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Charles Owyang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Owyang reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Charles Owyang'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 Charles Owyang was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.