Joseph Francis Leonard, M.D.
Family Medicine Physician · La Mesa, CA
Joseph Francis Leonard, M.D. is a family medicine physician with a practice address in La Mesa, California, and NPI 1124086590, issued on May 3, 2006. Check the license (California G34516, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Francis Leonard
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G34516 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5525 Grossmont Center Dr, La Mesa, CA 91942
- Phone
- (619) 644-6500
- Enumerated
- May 3, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (619) 644-6526
- Medicare enrollment
- Enrolled (PECOS I20100819000056); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1976
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 5525 Grossmont Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alicia Afrah-Boateng, PA-CPhysician Assistant1174073886
- Sonal Agrawal, M.D.Pediatrics Physician1881702348
- Mary Alexander, M.D.Internal Medicine Physician1538177845
- James Amberg, MDFamily Medicine Physician1265497093
Verify Joseph Francis Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
600 Medicare Part D claims for 268 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium72 claims
- Lisinopril26 claims
- Metformin Hcl26 claims
- Levothyroxine Sodium21 claims
- Losartan Potassium20 claims
- Naproxen20 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 practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Sharp Rees-Stealy Medical Group IncLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Francis Leonard among 17,133 family medicine physician records in California
Joseph Francis Leonard, 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
- Graduated1976 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
67 family medicine physician records list a practice address in La Mesa
They are 67 of the 2,168 NPPES records with a practice address in La Mesa, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in La Mesa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Aiello, D.O.La Mesa, CA 919421104844380
- James Amberg, MDLa Mesa, CA 919421265497093
- Adrianna Dangremond, MDLa Mesa, CA 919421508802828
- Frederick Jenkin, PHYSICIANLa Mesa, CA 919421225069123
- Bradham Kesling, M.D.La Mesa, CA 919421841224805
- Maria Lai, M.D.La Mesa, CA 919421588645048
- Robert Lajvardi, MDLa Mesa, CA 919421235187568
- Paula Leibham, NPLa Mesa, CA 919421114944899
Common questions
What is Joseph Francis Leonard, M.D.'s NPI number?
Joseph Francis Leonard, M.D.'s National Provider Identifier (NPI) is 1124086590, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Francis Leonard, M.D. located?
The NPPES record lists a practice address at 5525 Grossmont Center Dr, La Mesa, CA, 91942. Phone: (619) 644-6500. Providers update this record themselves, so call before visiting.
How can I verify Joseph Francis Leonard, M.D.'s license?
NPPES lists California license number G34516, 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 Joseph Francis Leonard, M.D. prescribe under Medicare Part D?
In 2024, Joseph Francis Leonard, M.D. had 600 Medicare Part D claims for 268 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Joseph Francis Leonard, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. 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.