Hector Castillo, M.D.
Specialist · Los Angeles, CA
Hector Castillo, M.D. is a specialist with a practice address in Los Angeles, California, and NPI 1659366136, issued on Sep 12, 2005. Check the license (California A76158, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hector Castillo
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A76158 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1005 E Washington Blvd, Los Angeles, CA 90021
- Phone
- (213) 745-3636
- Enumerated
- Sep 12, 2005
- Record last updated
- Oct 25, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (213) 745-3626
- Medicaid ID
- 00A761580 CA
- Medicare enrollment
- Enrolled (PECOS I20041117001272); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 1005 E Washington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Flores, PAPhysician Assistant1669968574
- Kerry Park, M.D.Specialist1962497149
- Leticia PerezPhysician Assistant1588376040
Verify Hector 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 A76158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average specialist in 2024
828 Medicare Part D claims for 145 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium63 claims
- Lisinopril41 claims
- Pantoprazole Sodium35 claims
- Metformin Hcl30 claims
- Ibuprofen22 claims
- Hydrocodone-Acetaminophen21 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: $379.37
10 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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
- Prohealth Partners, A Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
Other specialist records in California
- Fatemeh Abbasi, PTVan Nuys, CA1558496760
- Erlinda Abcede, M.D.Cudahy, CA1831228675
- Maher Abdallah, M.D.Palm Springs, CA1205988011
- Farinaz AbdiSan Marcos, CA1063153963
- Mai Abe, LESanta Monica, CA1609405158
- Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
- Jonas AbellaSan Francisco, CA1679760938
- Shreedhar Abhyankar, M.D.Indio, CA1861530669
- Elaine AbichRiverside, CA1780458927
- Mussarat Abidi, MDLadera Ranch, CA1053307769
Common questions
What is Hector Castillo, M.D.'s NPI number?
Hector Castillo, M.D.'s National Provider Identifier (NPI) is 1659366136, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Hector Castillo, M.D. located?
The NPPES record lists a practice address at 1005 E Washington Blvd, Los Angeles, CA, 90021. Phone: (213) 745-3636. Providers update this record themselves, so call before visiting.
How can I verify Hector Castillo, M.D.'s license?
NPPES lists California license number A76158, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hector Castillo, M.D. prescribe under Medicare Part D?
In 2024, Hector Castillo, M.D. had 828 Medicare Part D claims for 145 beneficiaries; the average among specialist prescribers was 1,380. 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.