Mario Alberto Leon, M.A.
Behavior Analyst · Pomona, CA
Mario Alberto Leon, M.A. is a behavior analyst with a practice address in Pomona, California, and NPI 1568970598, issued on Jan 11, 2018. Check the license (California 1-19-39784, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mario Alberto Leon
- Credential
- M.A.
- Primary taxonomy
- Behavior Analyst 103K00000X
- License number
- 1-19-39784 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11086 Kadota Ave, Pomona, CA 91766
- Phone
- (909) 837-7727
- Enumerated
- Jan 11, 2018
- Record last updated
- Jun 10, 2024
- Entity
- Type 1 · individual
8 nearest behavior analyst records → All 20,348 in California → Look up another NPI →
Verify Mario Alberto Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 1-19-39784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mario Alberto Leon among 20,348 behavior analyst records in California
Mario Alberto Leon, M.A. is one of 20,348 behavior analyst records with a practice address in California. under 1% 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 2018, is newer than 26% of them.
- NPI issued2018 · 26% of these records are older, 56% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
92 behavior analyst records list a practice address in Pomona
They are 92 of the 5,102 NPPES records with a practice address in Pomona, and 20,348 behavior analyst records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 20,348 in California → Every provider in Pomona → Behavior Analyst nationwide →
The 8 behavior analyst records with the nearest ZIP codes
- Sheree BrazePomona, CA 917661073969556
- Heather BryantPomona, CA 917661124401112
- Fatima CanoPomona, CA 917661437624806
- Carly CasillasPomona, CA 917661770052581
- Allyson HendersonPomona, CA 917661487123477
- Abigail IssaianPomona, CA 917661255800215
- Hyungsuk JangPomona, CA 917661700341906
- Sophia Liu, BCBAPomona, CA 917661033665997
Common questions
What is Mario Alberto Leon, M.A.'s NPI number?
Mario Alberto Leon, M.A.'s National Provider Identifier (NPI) is 1568970598, issued on Jan 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mario Alberto Leon, M.A. located?
The NPPES record lists a practice address at 11086 Kadota Ave, Pomona, CA, 91766. Phone: (909) 837-7727. Providers update this record themselves, so call before visiting.
How can I verify Mario Alberto Leon, M.A.'s license?
NPPES lists California license number 1-19-39784, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.