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Internal Medicine

Win Han, MD

Sees patients in Santa Rosa, CA · California

Summary

Win Han, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Santa Rosa, CA. NPI 1619110384. 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 Win Han, 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
YesOffers telehealth
19Years since medical school (graduated 2007)
University Of California, San Francisco School Of MedicineMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Win Han see patients?
Medicare's clinician data lists 1 practice location in Santa Rosa, CA. Call before your visit to confirm the address.
What is Win Han's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Win Han accept Medicare assignment?
Yes. Medicare's clinician data says Win Han 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.
Does Win Han offer telehealth?
Medicare's clinician data says Win Han offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Win Han?
(707) 393-4000, as listed in official Medicare / NPI Registry data.
What is Win Han's NPI number?
1619110384. 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 Win Han is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Win Han 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 Rosa

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

All internal medicine doctors in Santa Rosa →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1619110384
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