Frederick Benson, M.D.
Family Medicine Physician · San Jose, CA
Frederick Benson, M.D. is a family medicine physician with a practice address in San Jose, California, and NPI 1245240993, issued on Aug 8, 2006. Check the license (California G45615, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frederick Benson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G45615 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5595 Winfield Blvd, San Jose, CA 95123
- Phone
- (408) 224-6211
- Enumerated
- Aug 8, 2006
- Entity
- Type 1 · individual
Also registered at 5595 Winfield Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frederick Benson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G45615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
94% more Medicare Part D claims than the average family medicine physician in 2024
6,821 Medicare Part D claims for 517 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 299 claims were for opioids.
Most prescribed
- Atorvastatin Calcium454 claims
- Amlodipine Besylate285 claims
- Levothyroxine Sodium279 claims
- Losartan Potassium268 claims
- Rosuvastatin Calcium192 claims
- Zolpidem Tartrate169 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: $17.44
1 payment, mostly education; the largest payer was Pfizer Inc.. The 53,013 providers of this specialty with any payment received $861.30 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.
253 family medicine physician records list a San Jose practice address
They are 253 of the 20,925 NPPES records with a San Jose practice address, and 16,272 family medicine physician records in California.
All 253 in San Jose → All 16,272 in California → Every provider in San Jose →
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 Frederick Benson, M.D.'s NPI number?
Frederick Benson, M.D.'s National Provider Identifier (NPI) is 1245240993, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Benson, M.D. located?
The NPPES record lists a practice address at 5595 Winfield Blvd, San Jose, CA, 95123. Phone: (408) 224-6211. Providers update this record themselves, so call before visiting.
How can I verify Frederick Benson, M.D.'s license?
NPPES lists California license number G45615, 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 Frederick Benson, M.D. prescribe under Medicare Part D?
In 2024, Frederick Benson, M.D. had 6,821 Medicare Part D claims for 517 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.