Carol Castro, MD
Internal Medicine Physician · Los Angeles, CA
Carol Castro, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1740770072, issued on May 11, 2018. Check the license (California A173928, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carol Castro
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A173928 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1225 Wilshire Blvd, Los Angeles, CA 90017
- Phone
- (213) 977-2121
- Enumerated
- May 11, 2018
- Entity
- Type 1 · individual
Also registered at 1225 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hanan Abdelfattah, PAPhysician Assistant1699230953
- Mari Abdulian, PA-CPhysician Assistant1629307947
- Nicholas Abraham, M.D.Emergency Medicine Physician1770984098
- Tiffany Abramson, MDEmergency Medicine Physician1154793586
- Nicole Adams, FNPFamily Nurse Practitioner1730889270
- Gabrielle Ahlzadeh, MDEmergency Medicine Physician1225427172
Verify Carol Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A173928Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
393 Medicare Part D claims for 120 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Furosemide39 claims
- Pantoprazole Sodium22 claims
- Eliquis21 claims
- Famotidine13 claims
- Gabapentin13 claims
- Digoxin12 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: $44.45
1 payment, mostly food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 65,274 providers of this specialty with any payment received $2,536.66 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.
2 hospital and facility affiliations
- Pih Health PhysiciansWhittier, CA
- Ridgecrest Regional HospitalRidgecrest, CA · Critical Access Hospitals
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,665 internal medicine physician records list a Los Angeles practice address
They are 1,665 of the 69,537 NPPES records with a Los Angeles practice address, and 20,403 internal medicine physician records in California.
All 1,665 in Los Angeles → All 20,403 in California → Every provider in Los Angeles →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Carol Castro, MD's NPI number?
Carol Castro, MD's National Provider Identifier (NPI) is 1740770072, issued on May 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Carol Castro, MD located?
The NPPES record lists a practice address at 1225 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 977-2121. Providers update this record themselves, so call before visiting.
How can I verify Carol Castro, MD's license?
NPPES lists California license number A173928, 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 Carol Castro, MD prescribe under Medicare Part D?
In 2024, Carol Castro, MD had 393 Medicare Part D claims for 120 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.