David Posner, MD
Family Medicine Physician · Davis, CA
David Posner, MD is a family medicine physician with a practice address in Davis, California, and NPI 1720345895, issued on Apr 13, 2012. Check the license (California A126918, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Posner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A126918 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Sutter PL, Davis, CA 95616
- Phone
- (530) 750-5800
- Enumerated
- Apr 13, 2012
- Record last updated
- Jul 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (530) 750-5804
- Medicare enrollment
- Enrolled (PECOS I20140715000763); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2020 Sutter PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Posner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
480 Medicare Part D claims for 315 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin69 claims
- Azithromycin53 claims
- Amoxicillin-Clavulanate Potass41 claims
- Prednisone33 claims
- Albuterol Sulfate Hfa27 claims
- Mupirocin23 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.
Bills Medicare through 2 group practices
- Sutter Bay Medical FoundationPalo Alto, CA
- Sutter Valley Medical FoundationFairfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Posner among 17,133 family medicine physician records in California
David Posner, 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 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2012 · median 2005 among the 10,652 with a school on file
- Record last updated2015 · 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 David Posner, MD's NPI number?
David Posner, MD's National Provider Identifier (NPI) is 1720345895, issued on Apr 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is David Posner, MD located?
The NPPES record lists a practice address at 2020 Sutter PL, Davis, CA, 95616. Phone: (530) 750-5800. Providers update this record themselves, so call before visiting.
How can I verify David Posner, MD's license?
NPPES lists California license number A126918, 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 David Posner, MD prescribe under Medicare Part D?
In 2024, David Posner, MD had 480 Medicare Part D claims for 315 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.