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WONHEE WOO
NPI 1851824817
Internal Medicine in San Jose, CA

Active since April 06, 2017PECOS Enrolled
270 INTERNATIONAL CIR, SAN JOSE, CA 95119(408) 972-3380 Get Directions Write a Review

NPPES record last updated: August 8, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Wonhee Woo NPPES

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

WONHEE WOO (NPI 1851824817) is an individual internal medicine provider in San Jose, California, licensed in California (A170228) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851824817
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWONHEE WOO
Location Address270 INTERNATIONAL CIRSan Jose, CA 95119-1130
Mailing Address2112 Market St Apt 211San Francisco, CA 94114-1755 · (410) 707-0156
Phone(408) 972-3380
Sole ProprietorNo
Enumeration DateApril 6, 2017
Last NPPES UpdateAugust 8, 2022
NPPES CertifiedAugust 8, 2022
✔ NPI 1851824817 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 · A170228
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.
270 INTERNATIONAL CIR, San Jose, CA 95119
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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)

Wonhee Woo 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 Wonhee Woo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
13 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 95119 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
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.

KATHERINE SUSAN CASTO PT
Physical Therapist
270 INTERNATIONAL CIR
SAN JOSE, CA 95119
Santa Clara County (408) 972-6400
LAUREN VICIK
Physical Therapist
270 INTERNATIONAL CIR
SAN JOSE, CA 95119
Santa Clara County (508) 423-1381
AARON ALLAN BOSEL
Physical Therapist
270 INTERNATIONAL CIR
SAN JOSE, CA 95119
Santa Clara County (408) 972-6400
MR. CALVIN WILLIAM LEUNG DPT
Physical Therapist
270 INTERNATIONAL CIR, 2 NORTH, FIRST FLOOR
SAN JOSE, CA 95119
Santa Clara County (408) 972-6400
MONA M LIU MD
Allergy & Immunology
270 INTERNATIONAL CIR
SAN JOSE, CA 95119
Santa Clara County (408) 890-0629
MRS. KATHERINE JEAN STARK M.P.T., ATC
Physical Therapist
270 INTERNATIONAL CIR
SAN JOSE, CA 95119
Santa Clara County (408) 972-6400
CHRISTINA MARIA LYONS
Pharmacist
270 INTERNATIONAL CIR
SAN JOSE, CA 95119
Santa Clara County (408) 972-5408
SHAMUN MOHAMMED
Speech-Language Pathologist
270 INTERNATIONAL CIR
SAN JOSE, CA 95119
Santa Clara County (408) 972-3000

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 Wonhee Woo's NPI number?

The NPI number for Wonhee Woo is 1851824817. It was assigned to this individual provider in the NPPES registry on April 6, 2017.

Where is Wonhee Woo located?

Wonhee Woo practices at 270 International Cir, San Jose, CA 95119. The listed phone number is (408) 972-3380.

What is Wonhee Woo's specialty?

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

Is Wonhee Woo enrolled in Medicare?

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

Which organization bills Medicare for Wonhee Woo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wonhee Woo 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 Wonhee 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 Wonhee Woo was last updated on August 8, 2022. 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.