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Preventive Medicine

Katherine Au, DO

Works at hospitals in Auburn, CA · Sacramento, CA · Roseville, CA · California

Summary

Katherine Au, DO (Preventive Medicine) is listed by Medicare at 3 hospitals in Auburn, CA, Sacramento, CA and Roseville, CA. NPI 1770112450. 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 Katherine Au, 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

Preventive MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
6Years since medical school (graduated 2020)
FemaleGender (as listed)
Sutter Valley Medical FoundationGroup practice

Quick answers

Which hospitals does Katherine Au work at?
Medicare's official clinician data lists Katherine Au at 3 hospitals: Sutter Auburn Faith Hospital, Sutter Medical Center, Sacramento and Sutter Roseville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katherine Au see patients?
Medicare's clinician data lists 2 practice locations, including Sacramento, CA and Roseville, CA. Call before your visit to confirm the address.
What is Katherine Au's specialty?
Medicare lists Preventive Medicine as the primary specialty.
Does Katherine Au accept Medicare assignment?
Yes. Medicare's clinician data says Katherine Au 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 Katherine Au offer telehealth?
Medicare's clinician data says Katherine Au offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Katherine Au?
(916) 782-5106, as listed in official Medicare / NPI Registry data.
What is Katherine Au's NPI number?
1770112450. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katherine Au works

Medicare's Facility Affiliation Data lists Katherine Au 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 Katherine Au is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Sutter Valley Medical Foundation2,500 clinicians in the group

Specialties

Find other Preventive Medicine doctors in California →

Other preventive medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All preventive medicine doctors in California →

Clinician information

CredentialDO
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770112450
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