NPPES file of Aug 9, 2026

Eduardo P. Siccion, MD

Medical Oncology Physician · La Verne, CA

Eduardo P. Siccion, MD is a medical oncology physician with a practice address in La Verne, California, and NPI 1083701965, issued on Oct 10, 2006. Check the license (California C54593, 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
1083701965
Name
Eduardo P. Siccion
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
C54593 CA
041916 CT
Self-reported in NPPES; status is on the state search
Practice location
4523 Fruit St, La Verne, CA 91750
Phone
(860) 999-9999
Enumerated
Oct 10, 2006
Record last updated
Mar 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
001419168 CT
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 Eduardo P. Siccion in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C54593
    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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96% fewer Medicare Part D claims than the average medical oncology physician in 2024

28 Medicare Part D claims for 14 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 15 claims were for opioids.

  1. Eduardo Siccion28
  2. Specialty average703

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.

Eduardo P. Siccion among 447 medical oncology physician records in California

Eduardo P. Siccion, MD is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2020 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in California

There are 447 medical oncology physician records in California.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Eric Chang, MDMonterey Park, CA 917541427123488
  2. Robert Morgan, MDGlendora, CA 917411285741223
  3. Behnam Ebrahimi, M.D.Rancho Cucamonga, CA 917391033165139
  4. Philip Chatham, M.D.San Gabriel, CA 917761740279264
  5. Jieying Liu, MDSan Gabriel, CA 917761609404870
  6. Michael Saville, MDCarlsbad, CA 920081689928533
  7. Steven Reich, M.D.Del Mar, CA 920141396876330
  8. Muneeb Choudry, M.D.Escondido, CA 920291518924323

Common questions

What is Eduardo P. Siccion, MD's NPI number?

Eduardo P. Siccion, MD's National Provider Identifier (NPI) is 1083701965, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eduardo P. Siccion, MD located?

The NPPES record lists a practice address at 4523 Fruit St, La Verne, CA, 91750. Phone: (860) 999-9999. Providers update this record themselves, so call before visiting.

How can I verify Eduardo P. Siccion, MD's license?

NPPES lists California license number C54593, 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 Eduardo P. Siccion, MD prescribe under Medicare Part D?

In 2024, Eduardo P. Siccion, MD had 28 Medicare Part D claims for 14 beneficiaries; the average among medical oncology physician prescribers was 703. 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.