NPPES file of Aug 9, 2026

James Steven Economou, MD

Surgical Oncology Physician · Los Angeles, CA

James Steven Economou, MD is a surgical oncology physician with a practice address in Los Angeles, California, and NPI 1245244664, issued on Jul 28, 2006. Check the license (California C40192, 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
1245244664
Name
James Steven Economou
Credential
MD
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
C40192 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Medical Plaza, Los Angeles, CA 90095
Phone
(310) 794-1646
Enumerated
Jul 28, 2006
Record last updated
Mar 23, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
00C401920 CA
Medicare enrollment
Enrolled (PECOS I20110602000592); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1980
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 200 Medical Plaza

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

  1. Anita Agzarian, MDInternal Medicine Physician1144254590
  2. Sheila Ahmadi, MDEndocrinology, Diabetes & Metabolism Physician1194800094
  3. Marine Altunyan, PHARMDAmbulatory Care Pharmacist1578300083
  4. Gayane Ambartsumyan, MDObstetrics & Gynecology Physician1174556849
  5. Parviz Amid, M.D.Surgery Physician1073633459
  6. Adrienne Bawa, REGISTERED NURSECase Management Registered Nurse1497355366

Verify James Steven Economou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C40192
    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

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66% fewer Medicare Part D claims than the average surgical oncology physician in 2024

30 Medicare Part D claims for 23 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.

  1. James Economou30
  2. Specialty average87

Most prescribed

  1. Cephalexin20 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: $26,425.00

2 payments; by number, the most common kind was travel and lodging; the largest payer was AstraZeneca Pharmaceuticals LP. The 1,132 providers of this specialty with any payment received $4,224.74 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Economou$26,425
  2. Specialty average$4,225

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

James Steven Economou among 250 surgical oncology physician records in California

James Steven Economou, MD is one of 250 surgical oncology physician records with a practice address in California. 84% 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, 64% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1980 · median 2004 among the 184 with a school on file
  • Record last updated2011 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in California

There are 250 surgical oncology physician records in California.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Robert Bennion, MDLos Angeles, CA 900951245253897
  2. Maggie Dinome, M.D.Los Angeles, CA 900951477589851
  3. Frederick Eilber, MDLos Angeles, CA 900951154346724
  4. Frederick Eilber, MDLos Angeles, CA 900951073527057
  5. Mark Girgis, MDLos Angeles, CA 900951588826382
  6. Raquel Prati, MDLos Angeles, CA 900951427256262
  7. Mediget Teshome, MDLos Angeles, CA 900951699963678
  8. Areti Tillou, MDLos Angeles, CA 900951689696775

Common questions

What is James Steven Economou, MD's NPI number?

James Steven Economou, MD's National Provider Identifier (NPI) is 1245244664, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Steven Economou, MD located?

The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 794-1646. Providers update this record themselves, so call before visiting.

How can I verify James Steven Economou, MD's license?

NPPES lists California license number C40192, 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 James Steven Economou, MD prescribe under Medicare Part D?

In 2024, James Steven Economou, MD had 30 Medicare Part D claims for 23 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.