Maria Luisa Castillo, PA-C
Medical Physician Assistant · Corona, CA
Maria Luisa Castillo, PA-C is a medical physician assistant with a practice address in Corona, California, and NPI 1184924144, issued on Oct 25, 2010. Check the license (California PA 21256, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Luisa Castillo
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA 21256 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2071 Compton Ave Ste 102, Corona, CA 92881
- Phone
- (951) 549-0900
- Enumerated
- Oct 25, 2010
- Record last updated
- Nov 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20240801002827); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 2071 Compton Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jasmine Leong, M.D.Internal Medicine Physician1083627798
Verify Maria Luisa Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA 21256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average medical physician assistant in 2024
3,479 Medicare Part D claims for 471 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 92 claims were for opioids.
Most prescribed
- Metformin Hcl174 claims
- Atorvastatin Calcium154 claims
- Lisinopril121 claims
- Levothyroxine Sodium120 claims
- Omeprazole103 claims
- Atenolol99 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.
Industry payments in 2024: $140.12
7 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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 one group practice
- Healthcare Partners Affiliates Medical GroupCorona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Luisa Castillo among 3,376 medical physician assistant records in California
Maria Luisa Castillo, 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
- Graduated2010 · median 2012 among the 1,347 with a school on file
- Record last updated2025 · 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).
31 medical physician assistant records list a practice address in Corona
They are 31 of the 3,731 NPPES records with a practice address in Corona, and 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Corona → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Jenna Eugenio, P.A.Corona, CA 928811558668772
- Yvette Ford, MACorona, CA 928811427840164
- Lansdale Peters, P.A-CCorona, CA 928811902097926
- Paul Thanh, PA-CCorona, CA 928811598581241
- Hugh Berkley, PACorona, CA 928821720311012
- Joanna CoronaCorona, CA 928821710492814
- Srinidhi Ekkati, PA-CCorona, CA 928821316108491
- Mario Esquivel, P.ACorona, CA 928821215366570
Common questions
What is Maria Luisa Castillo, PA-C's NPI number?
Maria Luisa Castillo, PA-C's National Provider Identifier (NPI) is 1184924144, issued on Oct 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Maria Luisa Castillo, PA-C located?
The NPPES record lists a practice address at 2071 Compton Ave Ste 102, Corona, CA, 92881. Phone: (951) 549-0900. Providers update this record themselves, so call before visiting.
How can I verify Maria Luisa Castillo, PA-C's license?
NPPES lists California license number PA 21256, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Luisa Castillo, PA-C prescribe under Medicare Part D?
In 2024, Maria Luisa Castillo, PA-C had 3,479 Medicare Part D claims for 471 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.