MICHELLE KA YAN WU M.D.
NPI 1598405813
Internal Medicine in San Jose, CA

Active since April 01, 2022PECOS EnrolledAccepts Medicare Assignment
751 S BASCOM AVE, SAN JOSE, CA 95128(408) 887-6714 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Michelle Ka Yan Wu M.d. NPPES

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

MICHELLE KA YAN WU M.D. (NPI 1598405813) is an individual internal medicine provider in San Jose, California, licensed in California (A199699) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Oakland Univ, William Beaumont School Of Medicine (2022).

NPPES Registry Identity

NPI1598405813
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMICHELLE KA YAN WUCredential: M.D.
Location Address751 S BASCOM AVESan Jose, CA 95128-2604
Mailing Address751 S Bascom AveSan Jose, CA 95128-2604
Sole ProprietorNo
Medical School CMSOakland Univ, William Beaumont School Of MedicineGraduated 2022
Enumeration DateApril 1, 2022
Last NPPES UpdateSeptember 15, 2025
NPPES CertifiedSeptember 15, 2025
✔ NPI 1598405813 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 · A199699
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.
751 S BASCOM AVE, San Jose, CA 95128

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michelle Ka Yan Wu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739676248
PECOS Enrollment IDI20251016003710
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 Reassignments

2

Medicare enrollment records show Michelle Ka Yan Wu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
751 S. BASCOM AVENUE
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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 95128 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.

Pharmacist
751 S BASCOM AVE
SAN JOSE, CA 95128
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE, DEPARTMENT OF MEDICINE
SAN JOSE, CA 95128
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Perfusionist
751 S BASCOM AVE
SAN JOSE, CA 95128
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Thoracic Surgery (Cardiothoracic Vascular Surgery)
751 S BASCOM AVE, CARDIAC SURGERY DEPT
SAN JOSE, CA 95128
Internal Medicine
751 S BASCOM AVE, RADIATION ONCOLOGY
SAN JOSE, CA 95128

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 Michelle Ka Yan Wu's NPI number?

The NPI number for Michelle Ka Yan Wu is 1598405813. It was assigned to this individual provider in the NPPES registry on April 1, 2022.

Where is Michelle Ka Yan Wu located?

Michelle Ka Yan Wu practices at 751 S Bascom Ave, San Jose, CA 95128. The listed phone number is (408) 887-6714.

What is Michelle Ka Yan Wu's specialty?

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

Is Michelle Ka Yan Wu enrolled in Medicare?

Yes. Michelle Ka Yan Wu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Michelle Ka Yan Wu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Ka Yan Wu reassigns Medicare benefits to 2 organizations: County Of Santa Clara (San Jose, CA) and Permanente Medical Group Inc (Santa Clara, CA). Each 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 Michelle Ka Yan Wu'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 Michelle Ka Yan Wu was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.