NPPES file of Aug 9, 2026

Maria Del Carmen Castillo, N.P.

Obstetrics & Gynecology Nurse Practitioner · Los Angeles, CA

Maria Del Carmen Castillo, N.P. is an obstetrics & gynecology nurse practitioner with a practice address in Los Angeles, California, and NPI 1003051954, issued on Dec 6, 2008. Check the license (California RN403433, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003051954
Name
Maria Del Carmen Castillo
Credential
N.P.
Primary taxonomy
Obstetrics & Gynecology Nurse Practitioner 363LX0001X
License number
RN403433 CA
Self-reported in NPPES; status is on the state search
Practice location
3000 E 1St St, Los Angeles, CA 90063
Phone
(323) 262-6935
Enumerated
Dec 6, 2008
Record last updated
Jan 18, 2024
Fax
(323) 262-3109
Medicaid ID
RN403433 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Maria Del Carmen Castillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RN403433
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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4.6 times the Medicare Part D claims of the average obstetrics & gynecology nurse practitioner in 2024

910 Medicare Part D claims for 238 beneficiaries, against an average of 198 among the 1,094 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 11 claims were for opioids.

  1. Maria Castillo910
  2. Specialty average198

Most prescribed

  1. Ibuprofen79 claims
  2. Cephalexin51 claims
  3. Atorvastatin Calcium37 claims
  4. Omeprazole36 claims
  5. Losartan Potassium33 claims
  6. Amlodipine Besylate31 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: $191.22

5 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 1,033 providers of this specialty with any payment received $439.39 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Castillo$191.22
  2. Specialty average$439.39

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Maria Del Carmen Castillo among 394 obstetrics & gynecology nurse practitioner records in California

Maria Del Carmen Castillo, N.P. is one of 394 obstetrics & gynecology nurse practitioner records with a practice address in California. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.

  • NPI issued2008 · 61% of these records are older, 33% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2024 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Nurse Practitioner providers in California

There are 394 obstetrics & gynecology nurse practitioner records in California.

The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes

  1. Grace EbenuwaLos Angeles, CA 900591164629697
  2. Carrol King-BoydLos Angeles, CA 900591588862577
  3. Helen LeeLos Angeles, CA 900591891992343
  4. Suwanna SuethanuwongLos Angeles, CA 900591538366091
  5. Emmajean McCreadie, NPLos Angeles, CA 900571811034507
  6. Amy El-Akabawi, WHNP/CNMCommerce, CA 900401831438399
  7. Stephanie Lacroix, RNPLos Angeles, CA 900371215356688
  8. Rashmi Shroff, N.P.Los Angeles, CA 900371659414670

Common questions

What is Maria Del Carmen Castillo, N.P.'s NPI number?

Maria Del Carmen Castillo, N.P.'s National Provider Identifier (NPI) is 1003051954, issued on Dec 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Maria Del Carmen Castillo, N.P. located?

The NPPES record lists a practice address at 3000 E 1St St, Los Angeles, CA, 90063. Phone: (323) 262-6935. Providers update this record themselves, so call before visiting.

How can I verify Maria Del Carmen Castillo, N.P.'s license?

NPPES lists California license number RN403433, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Maria Del Carmen Castillo, N.P. prescribe under Medicare Part D?

In 2024, Maria Del Carmen Castillo, N.P. had 910 Medicare Part D claims for 238 beneficiaries; the average among obstetrics & gynecology nurse practitioner prescribers was 198. 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.