NPPES file of Aug 9, 2026

Robert De Leon

Physician Assistant · Torrance, CA

Robert De Leon is a physician assistant with a practice address in Torrance, California, and NPI 1023507324, issued on May 2, 2018. Check the license (California 55536, 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
1023507324
Name
Robert De Leon
Primary taxonomy
Physician Assistant 363A00000X
License number
55536 CA
Self-reported in NPPES; status is on the state search
Practice location
23530 Hawthorne Blvd Ste 290, Torrance, CA 90505
Phone
(424) 903-7007
Enumerated
May 2, 2018
Record last updated
Apr 25, 2024
Medicare enrollment
Enrolled (PECOS I20190122002405); 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 23530 Hawthorne Blvd Ste 290

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

  1. William Barreto, M.D.Pain Medicine (Physical Medicine & Rehabilitation) Physician1053526285
  2. Jeffrey Belabin, PHYSICIAN ASSISTANTMedical Physician Assistant1528267010
  3. Alice Costen, APN , DNPAdult Health Nurse Practitioner1629047543
  4. Joohyun Ham, L.AC.Acupuncturist1982297487

Verify Robert De Leon 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 55536
    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

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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4.8 times the Medicare Part D claims of the average physician assistant in 2024

3,997 Medicare Part D claims for 924 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 1,553 claims were for opioids.

  1. Robert De Leon3,997
  2. Specialty average830

Most prescribed

  1. Hydrocodone-Acetaminophen690 claims
  2. Gabapentin620 claims
  3. Pregabalin391 claims
  4. Tramadol Hcl291 claims
  5. Oxycodone-Acetaminophen194 claims
  6. Diclofenac Sodium182 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: $149.31

6 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert De Leon$149.31
  2. Specialty average$841.65

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

Bills Medicare through one group practice

  1. Torrance Health Association IncTorrance, CA

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

Robert De Leon among 14,451 physician assistant records in California

Robert De Leon is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 52% of them.

  • NPI issued2018 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2018 · median 2018 among the 7,214 with a school on file
  • Record last updated2024 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

89 physician assistant records list a practice address in Torrance

They are 89 of the 8,901 NPPES records with a practice address in Torrance, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Wendy Ard, P.A.C.Torrance, CA 905051881673663
  2. Aram Craig, PA-C, MMS, RKTTorrance, CA 905051730148578
  3. Leanna Gonzales, PA-CTorrance, CA 905051497099360
  4. Brooke Hanners, PA-C, ATC, OTCTorrance, CA 905051962915926
  5. Jeila Kakavand, PA-CTorrance, CA 905051790127298
  6. Margaret Leone, PA-CTorrance, CA 905051659774966
  7. Janelle Macasieb, PA-CTorrance, CA 905051063659829
  8. Crystal Ming, PA-CTorrance, CA 905051699259705

Common questions

What is Robert De Leon's NPI number?

Robert De Leon's National Provider Identifier (NPI) is 1023507324, issued on May 2, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Robert De Leon located?

The NPPES record lists a practice address at 23530 Hawthorne Blvd Ste 290, Torrance, CA, 90505. Phone: (424) 903-7007. Providers update this record themselves, so call before visiting.

How can I verify Robert De Leon's license?

NPPES lists California license number 55536, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Robert De Leon prescribe under Medicare Part D?

In 2024, Robert De Leon had 3,997 Medicare Part D claims for 924 beneficiaries; the average among physician assistant prescribers was 830. 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.