Ligaya Castillo
Nurse Practitioner · Los Angeles, CA
Ligaya Castillo is a nurse practitioner with a practice address in Los Angeles, California, and NPI 1003940503, issued on Mar 15, 2007. Check the license (California 20391, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ligaya Castillo
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 20391 CA
191384 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 442-5100
- Enumerated
- Mar 15, 2007
- Record last updated
- Jan 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 1520 San Pablo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Haig Aharonian, M.D.Internal Medicine Physician1205107653
- Jamshid Ahmadi, M.D.Neuroradiology Physician1942252028
- Mohammad Akmal, M.D.Nephrology Physician1356378087
Verify Ligaya 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 20391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average nurse practitioner in 2024
2,114 Medicare Part D claims for 174 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium93 claims
- Quetiapine Fumarate87 claims
- Lisinopril80 claims
- Eliquis67 claims
- Amlodipine Besylate62 claims
- Gabapentin53 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.
Ligaya Castillo among 8,223 nurse practitioner records in California
Ligaya Castillo is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 73% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2012 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Los Angeles → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Parvaneh Afshari, RNPLos Angeles, CA 900331730270828
- Elsie Alfaro, NPLos Angeles, CA 900331548481062
- Beverly Crawford, RNPLos Angeles, CA 900331265528236
- Beverly Dixon, RNPLos Angeles, CA 900331457447401
- Nasrin Esnaashari, NPLos Angeles, CA 900331831389477
- Paige Hardin, RNPLos Angeles, CA 900331154417053
- Ileana Meza, RNLos Angeles, CA 900331588750335
- Chiusheue Peng, NURSE PRACTITIONERLos Angeles, CA 900331801898713
Common questions
What is Ligaya Castillo's NPI number?
Ligaya Castillo's National Provider Identifier (NPI) is 1003940503, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ligaya Castillo located?
The NPPES record lists a practice address at 1520 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-5100. Providers update this record themselves, so call before visiting.
How can I verify Ligaya Castillo's license?
NPPES lists California license number 20391, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ligaya Castillo prescribe under Medicare Part D?
In 2024, Ligaya Castillo had 2,114 Medicare Part D claims for 174 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.