Registry data as of Aug 27, 2026

Oren Zaidel, M.D.

Gastroenterology Physician · Torrance, CA

Oren Zaidel, M.D. is a gastroenterology physician with a practice address in Torrance, California, and NPI 1689602195, issued on Jun 30, 2006. Check the license (California A72714, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1689602195
Name
Oren Zaidel
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A72714 CA
Self-reported in NPPES; status is on the state search
Practice location
23456 Hawthorne Blvd Ste 300, Torrance, CA 90505
Phone
(310) 539-2055
Enumerated
Jun 30, 2006
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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Also registered at 23456 Hawthorne Blvd Ste 300

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

  1. Daniel Cho, M.D.Gastroenterology Physician1346433828
  2. Jerome Cohen, M.D.Gastroenterology Physician1922036474
  3. Alessandra Dibernardo, PTAPhysical Therapy Assistant1801308283
  4. Bernard Felipe, PTAPhysical Therapy Assistant1306496484
  5. Yesenia French, FNPFamily Nurse Practitioner1760243521
  6. Liam Heng, AGACNPAcute Care Nurse Practitioner1316331838

Verify Oren Zaidel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A72714
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

2.1 times the Medicare Part D claims of the average gastroenterology physician in 2024

1,664 Medicare Part D claims for 400 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Oren Zaidel1,664
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium267 claims
  2. Omeprazole170 claims
  3. Famotidine156 claims
  4. Esomeprazole Magnesium106 claims
  5. Lubiprostone82 claims
  6. Dexlansoprazole Dr77 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: $1,185.65

63 payments, mostly food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Oren Zaidel$1,185.65
  2. Specialty average$5,015.95

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. South Bay Gastroenterology Medical GroupTorrance, CA

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

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

Other gastroenterology physician records in California

  1. David Aarons, MDLodi, CA1619081379
  2. Constante Abaya, MDOxnard, CA1003918459
  3. Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
  4. Basim Abdelkarim, MDUpland, CA1932217544
  5. Homan Abdollahzadeh, MDPalm Springs, CA1184634826
  6. John Abdulian, M.D.Fresno, CA1437114113
  7. Hussein Abidali, DORancho Cucamonga, CA1205274768
  8. Alaa Abousaif, MDOrange, CA1235124108
  9. Donald Abrahm, M.D.Newport Beach, CA1215022405
  10. Maria Abreu, M.D.West Hollywood, CA1598793374

Common questions

What is Oren Zaidel, M.D.'s NPI number?

Oren Zaidel, M.D.'s National Provider Identifier (NPI) is 1689602195, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Oren Zaidel, M.D. located?

The NPPES record lists a practice address at 23456 Hawthorne Blvd Ste 300, Torrance, CA, 90505. Phone: (310) 539-2055. Providers update this record themselves, so call before visiting.

How can I verify Oren Zaidel, M.D.'s license?

NPPES lists California license number A72714, 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 Oren Zaidel, M.D. prescribe under Medicare Part D?

In 2024, Oren Zaidel, M.D. had 1,664 Medicare Part D claims for 400 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.

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) 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 27, 2026.