Mallory Leon, D.O.
Family Medicine Physician · Corona, CA
Mallory Leon, D.O. is a family medicine physician with a practice address in Corona, California, and NPI 1285615864, issued on Nov 9, 2005. Check the license on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mallory Leon
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 8690 ND
Self-reported in NPPES; status is on the state search - Practice location
- 25085 Pacific Crest Street, Corona, CA 92883
- Phone
- (951) 277-5320
- Enumerated
- Nov 9, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 11640 ND
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Mallory Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mallory Leon among 17,133 family medicine physician records in California
Mallory Leon, D.O. 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 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).
42 family medicine physician records list a practice address in Corona
They are 42 of the 3,731 NPPES records with a practice address in Corona, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in Corona → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Khaled El Said, M.D.Corona, CA 928831043487762
- Alexander Geyer, M.D.Corona, CA 928831053775684
- Jacquelyn Lacera, MDCorona, CA 928831063499200
- Misbah Patel Rasool, M.D.Corona, CA 928831043688633
- Sheterah Burnett-Wrenn, FNP-CCorona, CA 928821891182002
- Leala Lettice, D.O.Corona, CA 928821386023604
- Jordan Mercado, FNP-CCorona, CA 928821871308833
- Tanya Nanayakkara, M.D.Corona, CA 928821255644100
Common questions
What is Mallory Leon, D.O.'s NPI number?
Mallory Leon, D.O.'s National Provider Identifier (NPI) is 1285615864, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mallory Leon, D.O. located?
The NPPES record lists a practice address at 25085 Pacific Crest Street, Corona, CA, 92883. Phone: (951) 277-5320. Providers update this record themselves, so call before visiting.
How can I verify Mallory Leon, D.O.'s license?
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. 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.