NPPES file of Aug 9, 2026

Maria Antonieta Del Castillo Garcia, MD

Hospitalist Physician · Los Angeles, CA

Maria Antonieta Del Castillo Garcia, MD is a hospitalist physician with a practice address in Los Angeles, California, and NPI 1922357110, issued on Sep 3, 2012. Check the license (California A143515, as entered in NPPES) on the Medical Board of California; 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
1922357110
Name
Maria Antonieta Del Castillo Garcia
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A143515 CA
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
Sep 3, 2012
Record last updated
Jan 19, 2022
Medicare enrollment
Enrolled (PECOS I20181114002244); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1520 San Pablo St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Frank Acosta, PHDPsychologist1750313490
  2. Gbemisola Adenuga, M.D.Nephrology Physician1952464661
  3. Aimee Aguillon, OTR/L, CHTOccupational Therapist1972677318
  4. Haig Aharonian, M.D.Internal Medicine Physician1205107653
  5. Jamshid Ahmadi, M.D.Neuroradiology Physician1942252028
  6. Mohammad Akmal, M.D.Nephrology Physician1356378087

Verify Maria Antonieta Del Castillo Garcia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A143515
    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11% fewer Medicare Part D claims than the average hospitalist physician in 2024

464 Medicare Part D claims for 100 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 71% of claims.

  1. Maria Del Castillo Garcia464
  2. Specialty average521

Most prescribed

  1. Biktarvy68 claims
  2. Juluca48 claims
  3. Triumeq48 claims
  4. Prezcobix37 claims
  5. Dovato24 claims
  6. Genvoya22 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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The Mid Atlantic States, IncWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria Antonieta Del Castillo Garcia among 3,099 hospitalist physician records in California

Maria Antonieta Del Castillo Garcia, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 51% of them.

  • NPI issued2012 · 51% of these records are older, 44% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2004 · median 2010 among the 2,505 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Ravneet Bajwa, M.D.Los Angeles, CA 900331194099754
  2. Douglass Hutcheon, MDLos Angeles, CA 900331427347640
  3. Matthew Johnson, M.D.Los Angeles, CA 900331043598741
  4. Ronald Kall, MDLos Angeles, CA 900331548531965
  5. Mahmood Khaledy, M.D.Los Angeles, CA 900331740418441
  6. Shazia Khan, M.D.Los Angeles, CA 900331336389139
  7. Edward Lee, MD, MPHLos Angeles, CA 900331528350261
  8. Anna Martinez, M.D.Los Angeles, CA 900331811287030

Common questions

What is Maria Antonieta Del Castillo Garcia, MD's NPI number?

Maria Antonieta Del Castillo Garcia, MD's National Provider Identifier (NPI) is 1922357110, issued on Sep 3, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Maria Antonieta Del Castillo Garcia, MD 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 Maria Antonieta Del Castillo Garcia, MD's license?

NPPES lists California license number A143515, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Maria Antonieta Del Castillo Garcia, MD prescribe under Medicare Part D?

In 2024, Maria Antonieta Del Castillo Garcia, MD had 464 Medicare Part D claims for 100 beneficiaries; the average among hospitalist physician prescribers was 521. 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.