Nancy Leon, PA-C
Medical Physician Assistant · San Bernardino, CA
Nancy Leon, PA-C is a medical physician assistant with a practice address in San Bernardino, California, and NPI 1437489507, issued on Jan 12, 2010. Check the license (California PA20711, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Leon
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA20711 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1963 N E St, San Bernardino, CA 92405
- Phone
- (909) 708-8158
- Enumerated
- Jan 12, 2010
- Record last updated
- Jan 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160108001152); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 1963 N E St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ayoka Bell, PSY.D.Clinical Psychologist1851608160
- Angelina BotelloAddiction (Substance Use Disorder) Counselor1790222859
- Tammy BradshawMental Health Counselor1720494909
- Caitlin BrownAddiction (Substance Use Disorder) Counselor1336471507
- Wendi CameronAddiction (Substance Use Disorder) Counselor1528378213
- James Cephas, M.AStudent in an Organized Health Care Education/Training Program1134416175
Verify Nancy 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 PA20711Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average medical physician assistant in 2024
520 Medicare Part D claims for 372 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Cephalexin85 claims
- Amoxicillin-Clavulanate Potass62 claims
- Prednisone43 claims
- Amoxicillin37 claims
- Ibuprofen27 claims
- Oseltamivir Phosphate20 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): 76.3 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).
Industry payments in 2024: $120.90
1 payment: food and beverage; the largest payer was Genzyme Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Pih Health PhysiciansDowney, CA
- Southern California Emergency MedicineSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Leon among 3,376 medical physician assistant records in California
Nancy Leon, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 42% of them.
- NPI issued2010 · 42% of these records are older, 54% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2009 · median 2012 among the 1,347 with a school on file
- Record last updated2010 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in San Bernardino → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Raquel Henderson, PA-CSan Bernardino, CA 924051770597809
- Bruce McCann, PA-CSan Bernrdino, CA 924051063433597
- Chad Christensen, PA-CSan Bernardino, CA 924041780991737
- Steven HeverlySan Bernardino, CA 924041124475280
- Tunde Hrotko, PASan Bernardino, CA 924041497176754
- Judy Hsieh, PA-CSan Bernardino, CA 924041881183713
- Benjamin Rinard, PASan Bernardino, CA 924041750943668
- Sonny RullSan Bernardino, CA 924041235463019
Common questions
What is Nancy Leon, PA-C's NPI number?
Nancy Leon, PA-C's National Provider Identifier (NPI) is 1437489507, issued on Jan 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Leon, PA-C located?
The NPPES record lists a practice address at 1963 N E St, San Bernardino, CA, 92405. Phone: (909) 708-8158. Providers update this record themselves, so call before visiting.
How can I verify Nancy Leon, PA-C's license?
NPPES lists California license number PA20711, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Leon, PA-C prescribe under Medicare Part D?
In 2024, Nancy Leon, PA-C had 520 Medicare Part D claims for 372 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Nancy Leon, PA-C's MIPS final score?
The 2023 MIPS final score is 76.3 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.