Ruth Y. Liu, M.D.
Family Medicine Physician · Dixon, CA
Ruth Y. Liu, M.D. is a family medicine physician with a practice address in Dixon, California, and NPI 1295830768, issued on Sep 13, 2006. Check the license (California G57017, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ruth Y. Liu
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G57017 CA
Self-reported in NPPES; status is on the state search - Practice location
- 125 N Lincoln St, Dixon, CA 95620
- Phone
- (707) 678-1623
- Enumerated
- Sep 13, 2006
- Record last updated
- Jul 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (707) 678-0258
- Medicaid ID
- 00G570170 CA
- Entity
- Type 1 · individual
Also registered at 125 N Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karrie Gonzales, P.T.Physical Therapist1780689877
- Margie Hackett, M.C.Addiction (Substance Use Disorder) Counselor1386672541
- Paul Koenig, M.D.Family Medicine Physician1457447955
- Sandra Lee, MDFamily Medicine Physician1659467215
- Kristine Meade, DOFamily Medicine Physician1548781891
- Betty Patterson, M.D.Family Medicine Physician1114019890
Verify Ruth Y. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average family medicine physician in 2024
4,143 Medicare Part D claims for 348 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 142 claims were for opioids.
Most prescribed
- Levothyroxine Sodium163 claims
- Atorvastatin Calcium156 claims
- Amlodipine Besylate150 claims
- Lisinopril130 claims
- Gabapentin119 claims
- Omeprazole114 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
9 family medicine physician records list a practice address in Dixon
They are 9 of the 130 NPPES records with a practice address in Dixon, and 17,133 family medicine physician records in California.
All 9 in Dixon → All 17,133 in California → Every provider in Dixon →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Ruth Y. Liu, M.D.'s NPI number?
Ruth Y. Liu, M.D.'s National Provider Identifier (NPI) is 1295830768, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Y. Liu, M.D. located?
The NPPES record lists a practice address at 125 N Lincoln St, Dixon, CA, 95620. Phone: (707) 678-1623. Providers update this record themselves, so call before visiting.
How can I verify Ruth Y. Liu, M.D.'s license?
NPPES lists California license number G57017, 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.
How much does Ruth Y. Liu, M.D. prescribe under Medicare Part D?
In 2024, Ruth Y. Liu, M.D. had 4,143 Medicare Part D claims for 348 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.