Katherine Au, DO
Public Health & General Preventive Medicine Physician · Roseville, CA
Katherine Au, DO is a public health & general preventive medicine physician with a practice address in Roseville, California, and NPI 1770112450, issued on Apr 5, 2020. Check the license (California 20A20115, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katherine Au
- Credential
- DO
- Primary taxonomy
- Public Health & General Preventive Medicine Physician 2083P0901X
- License number
- 20A20115 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8 Medical Plaza Dr Ste 180, Roseville, CA 95661
- Phone
- (916) 887-4660
- Enumerated
- Apr 5, 2020
- Record last updated
- Jan 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20241119002063); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest public health & general preventive medicine physician records → All 325 in California → Look up another NPI →
Also registered at 8 Medical Plaza Dr Ste 180
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marc Velez, L.AC.Acupuncturist1285967562
Verify Katherine Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A20115Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Au among 325 public health & general preventive medicine physician records in California
Katherine Au, DO is one of 325 public health & general preventive medicine physician records with a practice address in California. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 90% of them.
- NPI issued2020 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileYes · 13% of these records are
- Graduated2020 · median 2008 among the 42 with a school on file
- Record last updated2025 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0901X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Public Health & General Preventive Medicine Physician providers in California
There are 325 public health & general preventive medicine physician records in California.
All 325 in California → Every provider in Roseville → Public Health & General Preventive Medicine Physician nationwide →
The 8 public health & general preventive medicine physician records with the nearest ZIP codes
- Jason Eberhart-Phillips, MDPlacerville, CA 956671811039415
- Curtiss Weidmer, M.D., M.P.H.Placerville, CA 956671902178361
- Denise Bogard, M.D.Roseville, CA 956781184617524
- Aimee Sisson, MD, MPHWoodland, CA 956951356322903
- Tamra Barker, M.D., M.P.H.Davis, CA 956161831250729
- Frederick Hodges, M.D.Carmichael, CA 956081295964849
- Richard Burton, M.D.Auburn, CA 956031881635621
- Charlotte Wheeler, MD, MPHElk Grove, CA 957581407280027
Common questions
What is Katherine Au, DO's NPI number?
Katherine Au, DO's National Provider Identifier (NPI) is 1770112450, issued on Apr 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Au, DO located?
The NPPES record lists a practice address at 8 Medical Plaza Dr Ste 180, Roseville, CA, 95661. Phone: (916) 887-4660. Providers update this record themselves, so call before visiting.
How can I verify Katherine Au, DO's license?
NPPES lists California license number 20A20115, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.