Carlos X. Castellanos, MD
Student in an Organized Health Care Education/Training Program · Los Angeles, CA
Carlos X. Castellanos, MD is a student in an organized health care education/training program with a practice address in Los Angeles, California, and NPI 1982306858, issued on Mar 21, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carlos X. Castellanos
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 200 Ucla Medical Plz Ste 550, Los Angeles, CA 90095
- Phone
- (310) 206-6688
- Enumerated
- Mar 21, 2023
- Record last updated
- Mar 21, 2023
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 200 Ucla Medical Plz Ste 550
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Aboueisha, MDOtolaryngology Physician1316678881
- Daniel Beswick, MDOtolaryngology Physician1831455328
- Elizabeth BorowiecOtolaryngology Physician1861071045
- Julia Dmowska, MDOtolaryngology Physician1689291486
- Victor Duarte, MDOtolaryngology Physician1437449311
- Emily Ehsan, MDOtolaryngology Physician1083553085
Verify Carlos X. Castellanos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
97 Medicare Part D claims for 49 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Cephalexin18 claims
- Oxycodone Hcl17 claims
- Hydrocodone-Acetaminophen15 claims
- Amoxicillin-Clavulanate Potass12 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: $42.23
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 13,278 providers of this specialty with any payment received $608.08 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.
Carlos X. Castellanos among 40,652 student in an organized health care education/training program records in California
Carlos X. Castellanos, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 42% of them.
- NPI issued2023 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2023 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6,770 student in an organized health care education/training program records list a practice address in Los Angeles
They are 6,770 of the 69,537 NPPES records with a practice address in Los Angeles, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Los Angeles → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Heather D'Adamo, M.D.Los Angeles, CA 900951871729418
- Muraya Gathinji, M.D.Los Angeles, CA 900951487898532
- Ngozi Iroezi, M.D.Los Angeles, CA 900951467604017
- Jonathan Jacobs, M.D.Los Angeles, CA 900951912155193
- Maria Jalbrzikowski, M.A.Los Angeles, CA 900951770714610
- Linda Lau, M.D.Los Angeles, CA 900951437393154
- Jin Sun Lee, M.D.Los Angeles, CA 900951225293343
- Marie Ng, M.D.Los Angeles, CA 900951851523385
Common questions
What is Carlos X. Castellanos, MD's NPI number?
Carlos X. Castellanos, MD's National Provider Identifier (NPI) is 1982306858, issued on Mar 21, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Carlos X. Castellanos, MD located?
The NPPES record lists a practice address at 200 Ucla Medical Plz Ste 550, Los Angeles, CA, 90095. Phone: (310) 206-6688. Providers update this record themselves, so call before visiting.
How can I verify Carlos X. Castellanos, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Carlos X. Castellanos, MD prescribe under Medicare Part D?
In 2024, Carlos X. Castellanos, MD had 97 Medicare Part D claims for 49 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.