Robert Joseph Leonard, MD
Emergency Medicine Physician · Covina, CA
Robert Joseph Leonard, MD is an emergency medicine physician with a practice address in Covina, California, and NPI 1013337641, issued on Apr 22, 2014. Check the license (California A158526, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Joseph Leonard
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A158526 CA
Self-reported in NPPES; status is on the state search - Practice location
- 420 W Rowland St, Covina, CA 91723
- Phone
- (626) 331-6411
- Enumerated
- Apr 22, 2014
- Record last updated
- Sep 24, 2022
- Fax
- (626) 251-1559
- Medicare enrollment
- Enrolled (PECOS I20170525000479); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 420 W Rowland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Absood, M.D.Internal Medicine Physician1497735906
- Nancy Aceves, RN, FNPFamily Nurse Practitioner1235171703
- Joseph Alonzo, M.D.Internal Medicine Physician1225077050
- Sarah Anh, M.D.Emergency Medicine Physician1104037159
- Travis Boyer, FNPFamily Nurse Practitioner1265901870
- Annamari Cabrera, MDPediatrics Physician1881653434
Verify Robert Joseph Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A158526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- American Current Care PAIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Joseph Leonard among 7,751 emergency medicine physician records in California
Robert Joseph Leonard, MD is one of 7,751 emergency 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 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2011 among the 4,560 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Covina → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sarah Anh, M.D.Covina, CA 917231104037159
- Frishta Ataie, MDCovina, CA 917231487940102
- John Chon, D.O.Covina, CA 917231184691644
- Peter Kennedy, MDCovina, CA 917231619025665
- David Lee, D.OCovina, CA 917231265791529
- Rebeca Martin, MDCovina, CA 917231104313220
- Rio Sutikno-Ong, MDCovina, CA 917231629104526
- Thuy Nguyen, MDRancho Cucamonga, CA 917301336162858
Common questions
What is Robert Joseph Leonard, MD's NPI number?
Robert Joseph Leonard, MD's National Provider Identifier (NPI) is 1013337641, issued on Apr 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Robert Joseph Leonard, MD located?
The NPPES record lists a practice address at 420 W Rowland St, Covina, CA, 91723. Phone: (626) 331-6411. Providers update this record themselves, so call before visiting.
How can I verify Robert Joseph Leonard, MD's license?
NPPES lists California license number A158526, 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.
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.