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Internal Medicine

Andrew Hwang, MD

Sees patients in Santa Clara, CA · California

Summary

Andrew Hwang, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Santa Clara, CA. NPI 1679650535. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew Hwang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
Northwestern University Feinberg Medical SchoolMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Andrew Hwang see patients?
Medicare's clinician data lists 2 practice locations, including Santa Clara, CA. Call before your visit to confirm the address.
What is Andrew Hwang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Andrew Hwang accept Medicare assignment?
Yes. Medicare's clinician data says Andrew Hwang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Andrew Hwang?
(408) 851-1000, as listed in official Medicare / NPI Registry data.
What is Andrew Hwang's NPI number?
1679650535. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Andrew Hwang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Andrew Hwang as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Santa Clara

Clinicians with the same Medicare primary specialty in Santa Clara, CA — not a recommendation.

All internal medicine doctors in Santa Clara →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679650535
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians