Barry Sanford Landfield, MD
Family Medicine Physician · Greenbrae, CA
Barry Sanford Landfield, MD is a family medicine physician with a practice address in Greenbrae, California, and NPI 1386735058, issued on Sep 27, 2006. Check the license (California G19884, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Barry Sanford Landfield
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G19884 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 S Eliseo Dr, Greenbrae, CA 94904
- Phone
- (415) 461-3500
- Enumerated
- Sep 27, 2006
- Record last updated
- Jul 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (415) 461-3891
- Medicare enrollment
- Enrolled (PECOS I20080703000610); may accept Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1967
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 900 S Eliseo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ronald Yusim, LCSWSocial Worker1538396031
Verify Barry Sanford Landfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G19884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average family medicine physician in 2024
5,996 Medicare Part D claims for 366 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 256 claims were for opioids.
Most prescribed
- Atorvastatin Calcium685 claims
- Amlodipine Besylate272 claims
- Levothyroxine Sodium251 claims
- Lisinopril232 claims
- Ezetimibe208 claims
- Rosuvastatin Calcium172 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.
The MIPS final score for 2023 (Medicare payment program): 15.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,163.28
60 payments; by number, the most common kind was food and beverage; the largest payer was Esperion Therapeutics, 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.
Barry Sanford Landfield among 17,133 family medicine physician records in California
Barry Sanford Landfield, 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 fileYes · 62% of these records are
- Graduated1967 · median 2005 among the 10,652 with a school on file
- Record last updated2008 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Greenbrae → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Elizabeth Etemad, D.O.Greenbrae, CA 949041881682458
- Oliver Osborn, M.D.Greenbrae, CA 949041700874377
- Robert Pedrin, M.D.Kentfield, CA 949041447222393
- Kevin Shanaghan, DOGreenbrae, CA 949041750318283
- Alice Yee, DOGreenbrae, CA 949041194985879
- Ryan Cook, MDSan Rafael, CA 949031588284756
- Jay Fairborn, MDSan Rafael, CA 949031265582076
- Saritha Goriparthi, M.D.San Rafael, CA 949031699157826
Common questions
What is Barry Sanford Landfield, MD's NPI number?
Barry Sanford Landfield, MD's National Provider Identifier (NPI) is 1386735058, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry Sanford Landfield, MD located?
The NPPES record lists a practice address at 900 S Eliseo Dr, Greenbrae, CA, 94904. Phone: (415) 461-3500. Providers update this record themselves, so call before visiting.
How can I verify Barry Sanford Landfield, MD's license?
NPPES lists California license number G19884, 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 Barry Sanford Landfield, MD prescribe under Medicare Part D?
In 2024, Barry Sanford Landfield, MD had 5,996 Medicare Part D claims for 366 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Barry Sanford Landfield, MD's MIPS final score?
The 2023 MIPS final score is 15.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.