Allison Jean Leonard, MD
Hospitalist Physician · San Diego, CA
Allison Jean Leonard, MD is a hospitalist physician with a practice address in San Diego, California, and NPI 1235756107, issued on Jun 26, 2020. Check the license (California A188570, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Allison Jean Leonard
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A188570 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4077 Fifth Ave, San Diego, CA 92103
- Phone
- (619) 260-7125
- Enumerated
- Jun 26, 2020
- Record last updated
- Dec 11, 2023
- Medicare enrollment
- Enrolled (PECOS I20240130002313); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 4077 Fifth Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arash Abiri, MD, PHDStudent in an Organized Health Care Education/Training Program1013858505
- Buraq Al Ghaieb, MDHospitalist Physician1831891712
- Noorhan Amani, MDStudent in an Organized Health Care Education/Training Program1922946755
- William Anapoell, MDHospitalist Physician1982631289
Verify Allison Jean Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A188570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average hospitalist physician in 2024
108 Medicare Part D claims for 39 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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 one group practice
- Indian Health Council IncValley Center, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Jean Leonard among 3,099 hospitalist physician records in California
Allison Jean Leonard, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2019 · median 2010 among the 2,505 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in San Diego → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ali Amirrezvani, M.D.San Diego, CA 921031861485005
- William Anapoell, MDSan Diego, CA 921031982631289
- Deepak Asudani, M.D.San Diego, CA 921031548208812
- Atousa Brandish, M.D.San Diego, CA 921031609814235
- Michael Hogarth, M.D.San Diego, CA 921031225019193
- Matthew Hom, M.D.San Diego, CA 921031881632081
- Bryan Huang, M.D.San Diego, CA 921031881652394
- Ian Jenkins, M.D.San Diego, CA 921031992762520
Common questions
What is Allison Jean Leonard, MD's NPI number?
Allison Jean Leonard, MD's National Provider Identifier (NPI) is 1235756107, issued on Jun 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Allison Jean Leonard, MD located?
The NPPES record lists a practice address at 4077 Fifth Ave, San Diego, CA, 92103. Phone: (619) 260-7125. Providers update this record themselves, so call before visiting.
How can I verify Allison Jean Leonard, MD's license?
NPPES lists California license number A188570, 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 Allison Jean Leonard, MD prescribe under Medicare Part D?
In 2024, Allison Jean Leonard, MD had 108 Medicare Part D claims for 39 beneficiaries; the average among hospitalist physician prescribers was 521. 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.