Sandra C. Johnson, MD
Family Medicine Physician · Davis, CA
Sandra C. Johnson, MD is a family medicine physician with a practice address in Davis, California, and NPI 1699866079, issued on Sep 28, 2006. Check the license (California G58830, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sandra C. Johnson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G58830 CA
Self-reported in NPPES; status is on the state search - Practice location
- 635 Anderson RD, Davis, CA 95616
- Phone
- (530) 758-1122
- Enumerated
- Sep 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (530) 758-1646
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 635 Anderson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sandra C. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G58830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
363 Medicare Part D claims for 28 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone163 claims
- Buprenorphine Hcl84 claims
- Clonazepam21 claims
- Quetiapine Fumarate21 claims
- Gabapentin19 claims
- Trazodone Hcl13 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.
Industry payments in 2024: $124.04
2 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sandra C. Johnson among 17,133 family medicine physician records in California
Sandra C. Johnson, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 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 Sandra C. Johnson, MD's NPI number?
Sandra C. Johnson, MD's National Provider Identifier (NPI) is 1699866079, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sandra C. Johnson, MD located?
The NPPES record lists a practice address at 635 Anderson RD, Davis, CA, 95616. Phone: (530) 758-1122. Providers update this record themselves, so call before visiting.
How can I verify Sandra C. Johnson, MD's license?
NPPES lists California license number G58830, 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 Sandra C. Johnson, MD prescribe under Medicare Part D?
In 2024, Sandra C. Johnson, MD had 363 Medicare Part D claims for 28 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.