Frances Southwick, D.O.
Family Medicine Physician · Davis, CA
Frances Southwick, D.O. is a family medicine physician with a practice address in Davis, California, and NPI 1700107471, issued on Jun 17, 2010. Check the license (California 15111, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frances Southwick
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 15111 CA
OS016244 PA
OT013690 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2051 John Jones RD, Davis, CA 95616
- Phone
- (530) 758-2060
- Enumerated
- Jun 17, 2010
- Record last updated
- Apr 21, 2025
- Fax
- (530) 758-8490
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2051 John Jones RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melba Abero, RNRegistered Nurse1417746488
- Nicole Adelman, CNMMidwife1386991677
- Julia Baas, L.C.S.W.Clinical Social Worker1669796181
- Aileen Barandas, FNPFamily Nurse Practitioner1992873475
- Garrett Barnett, DDSGeneral Practice Dentistry1912745852
- Brinnley Barthels, DMDDentist1659118529
Verify Frances Southwick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 15111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average family medicine physician in 2024
1,873 Medicare Part D claims for 103 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 108 claims were for opioids.
Most prescribed
- Atorvastatin Calcium115 claims
- Gabapentin104 claims
- Losartan Potassium82 claims
- Hydrocodone-Acetaminophen73 claims
- Lisinopril63 claims
- Levothyroxine Sodium57 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.
Frances Southwick among 17,133 family medicine physician records in California
Frances Southwick, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
96 family medicine physician records list a practice address in Davis
They are 96 of the 1,711 NPPES records with a practice address in Davis, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Davis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lisa Baumeister, MDDavis, CA 956161952354805
- John Chuck, M.D.Davis, CA 956161164408704
- Rebecca Darsey, MDDavis, CA 956161447240916
- Wetona Eidson-Ton, M.D.Davis, CA 956161609851674
- Sarah Jones, MDDavis, CA 956161306882030
- Melissa Marshall, M.D.Davis, CA 956161477526291
- Karen Mo, M.D.Davis, CA 956161326023086
- Thomas Ormiston, MDDavis, CA 956161568498319
Common questions
What is Frances Southwick, D.O.'s NPI number?
Frances Southwick, D.O.'s National Provider Identifier (NPI) is 1700107471, issued on Jun 17, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Frances Southwick, D.O. located?
The NPPES record lists a practice address at 2051 John Jones RD, Davis, CA, 95616. Phone: (530) 758-2060. Providers update this record themselves, so call before visiting.
How can I verify Frances Southwick, D.O.'s license?
NPPES lists California license number 15111, 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 Frances Southwick, D.O. prescribe under Medicare Part D?
In 2024, Frances Southwick, D.O. had 1,873 Medicare Part D claims for 103 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.