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Internal Medicine

Joyce Hansen, MD

Works at hospitals in San Francisco, CA · Novato, CA · California

Summary

Joyce Hansen, MD (Internal Medicine) is listed by Medicare at 3 hospitals in San Francisco, CA and Novato, CA. NPI 1639190085. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joyce Hansen, 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
48Years since medical school (graduated 1978)
Baylor College Of MedicineMedical school
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Which hospitals does Joyce Hansen work at?
Medicare's official clinician data lists Joyce Hansen at 3 hospitals: California Pacific Medical Center- Van Ness Campus, California Pacific Medical Ctr-Davies Campus Hosp and Novato Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joyce Hansen see patients?
Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
What is Joyce Hansen's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Joyce Hansen accept Medicare assignment?
Yes. Medicare's clinician data says Joyce Hansen 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 Joyce Hansen offer telehealth?
Medicare's clinician data says Joyce Hansen offers telehealth services. Ask the office which visits can be done by video or phone.
What is Joyce Hansen's NPI number?
1639190085. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joyce Hansen works

Medicare's Facility Affiliation Data lists Joyce Hansen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

Group practices

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

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

All internal medicine doctors in San Francisco →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year1978
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639190085
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians