NPPES file of Aug 9, 2026

Samuel O. Leon, M.D.

Family Medicine Physician · Hanford, CA

Samuel O. Leon, M.D. is a family medicine physician with a practice address in Hanford, California, and NPI 1265486070, issued on May 19, 2006. Check the license (California A73337, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265486070
Name
Samuel O. Leon
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A73337 CA
Self-reported in NPPES; status is on the state search
Practice location
560 W Grangeville Blvd, Hanford, CA 93230
Phone
(559) 583-1110
Enumerated
May 19, 2006
Record last updated
Aug 3, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(559) 583-1121
Medicare enrollment
Enrolled (PECOS I20040325001281); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1998
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 560 W Grangeville Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emmanuel Conanan, MDFamily Medicine Physician1144308644

Verify Samuel O. Leon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A73337
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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20% fewer Medicare Part D claims than the average family medicine physician in 2024

2,829 Medicare Part D claims for 232 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 106 claims were for opioids.

  1. Samuel Leon2,829
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium248 claims
  2. Amlodipine Besylate151 claims
  3. Lisinopril145 claims
  4. Metformin Hcl136 claims
  5. Omeprazole93 claims
  6. Pioglitazone Hcl83 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.

Samuel O. Leon among 17,133 family medicine physician records in California

Samuel O. Leon, M.D. 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
  • Graduated1998 · median 2005 among the 10,652 with a school on file
  • Record last updated2009 · 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).

41 family medicine physician records list a practice address in Hanford

They are 41 of the 1,362 NPPES records with a practice address in Hanford, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Randy Beddoe, MDHanford, CA 932301740267426
  2. Frank Buchanan, MDHanford, CA 932301033114061
  3. Romeo Castillo, MDHanford, CA 932301083691778
  4. Daria Majzoubi, M.D.Hanford, CA 932301811941628
  5. Kenneth Melashenko, M.D.Hanford, CA 932301902852197
  6. Dustin Raber, MDHanford, CA 932301962413625
  7. Billy Redmond, MDHanford, CA 932301518937150
  8. Adalberto Renteria, MDHanford, CA 932301619948502

Common questions

What is Samuel O. Leon, M.D.'s NPI number?

Samuel O. Leon, M.D.'s National Provider Identifier (NPI) is 1265486070, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samuel O. Leon, M.D. located?

The NPPES record lists a practice address at 560 W Grangeville Blvd, Hanford, CA, 93230. Phone: (559) 583-1110. Providers update this record themselves, so call before visiting.

How can I verify Samuel O. Leon, M.D.'s license?

NPPES lists California license number A73337, 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 Samuel O. Leon, M.D. prescribe under Medicare Part D?

In 2024, Samuel O. Leon, M.D. had 2,829 Medicare Part D claims for 232 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.