Michael Castillo
Student in an Organized Health Care Education/Training Program · Riverside, CA
Michael Castillo is a student in an organized health care education/training program with a practice address in Riverside, California, and NPI 1841940210, issued on Mar 28, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Castillo
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 10800 Magnolia Ave, Module 242, Riverside, CA 92505
- Phone
- (951) 353-4539
- Enumerated
- Mar 28, 2022
- Record last updated
- Mar 28, 2022
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Verify Michael Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
613 Medicare Part D claims for 126 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium53 claims
- Lisinopril40 claims
- Levothyroxine Sodium39 claims
- Amlodipine Besylate33 claims
- Losartan Potassium23 claims
- Omeprazole22 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.
Michael Castillo among 40,652 student in an organized health care education/training program records in California
Michael Castillo is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 34% of them.
- NPI issued2022 · 34% of these records are older, 58% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2022 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 student in an organized health care education/training program records list a practice address in Riverside
They are 657 of the 13,893 NPPES records with a practice address in Riverside, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Riverside → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Heather Brady-Gruca, M.D.Riverside, CA 925051306232277
- Khontheary Chap, M.DRiverside, CA 925051407219058
- Raquel Espinosa, M.D.Riverside, CA 925051881057255
- Megan Ferri, D.O.Riverside, CA 925051285996207
- Maureen Girgis, M.D.Riverside, CA 925051275927386
- Alexander GuileRiverside, CA 925051366837551
- Christopher Gutierrez, DPTRiverside, CA 925051275968091
- Lisa Montgomery, M.D.Riverside, CA 925051811332950
Common questions
What is Michael Castillo's NPI number?
Michael Castillo's National Provider Identifier (NPI) is 1841940210, issued on Mar 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Michael Castillo located?
The NPPES record lists a practice address at 10800 Magnolia Ave, Module 242, Riverside, CA, 92505. Phone: (951) 353-4539. Providers update this record themselves, so call before visiting.
How can I verify Michael Castillo's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Castillo prescribe under Medicare Part D?
In 2024, Michael Castillo had 613 Medicare Part D claims for 126 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.