NPPES file of Aug 9, 2026

Hisham El-Bayar, M.D., F.A.C.S.

Surgery Physician · Orange, CA

Hisham El-Bayar, M.D., F.A.C.S. is a surgery physician with a practice address in Orange, California, and NPI 1659376622, issued on Jun 16, 2005. Check the license (California A45299, 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
1659376622
Name
Hisham El-Bayar
Credential
M.D., F.A.C.S.
Primary taxonomy
Surgery Physician 208600000X
License number
A45299 CA
Self-reported in NPPES; status is on the state search
Practice location
1010 W. Laveta Ave, Orange, CA 92868
Phone
(714) 835-8300
Enumerated
Jun 16, 2005
Record last updated
Oct 26, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(714) 835-8304
Medicaid ID
00A452991 CA
Medicare enrollment
Enrolled (PECOS I20090206000144); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1986
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 1010 W. Laveta Ave

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

  1. Melanie Irwin, MDPediatric Rehabilitation Medicine Physician1518918358

Verify Hisham El-Bayar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A45299
    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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69% fewer Medicare Part D claims than the average surgery physician in 2024

45 Medicare Part D claims for 25 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Hisham El-Bayar45
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl12 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: $240.13

3 payments; by number, the most common kind was food and beverage; the largest payer was Davol Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hisham El-Bayar$240.13
  2. Specialty average$3,513.80

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. Orange Surgical AssociatesOrange, CA

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

Hisham El-Bayar among 3,118 surgery physician records in California

Hisham El-Bayar, M.D., F.A.C.S. is one of 3,118 surgery physician 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1986 · median 2003 among the 1,901 with a school on file
  • Record last updated2009 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. Jeffrey Chao, MDOrange, CA 928681164515995
  2. Kim Charney, M.D.Orange, CA 928681699790899
  3. Sami Hamamji, M.D.Orange, CA 928681457425282
  4. Jay Harness, M.D.Orange, CA 928681477549426
  5. David K Imagawa, MDOrange, CA 928681467532630
  6. Rajesh Khanijou, M.D.Orange, CA 928681548239098
  7. Eric Kuncir, M.D.Orange, CA 928681053382085
  8. Atul Madan, MDOrange, CA 928681588620363

Common questions

What is Hisham El-Bayar, M.D., F.A.C.S.'s NPI number?

Hisham El-Bayar, M.D., F.A.C.S.'s National Provider Identifier (NPI) is 1659376622, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Hisham El-Bayar, M.D., F.A.C.S. located?

The NPPES record lists a practice address at 1010 W. Laveta Ave, Orange, CA, 92868. Phone: (714) 835-8300. Providers update this record themselves, so call before visiting.

How can I verify Hisham El-Bayar, M.D., F.A.C.S.'s license?

NPPES lists California license number A45299, 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 Hisham El-Bayar, M.D., F.A.C.S. prescribe under Medicare Part D?

In 2024, Hisham El-Bayar, M.D., F.A.C.S. had 45 Medicare Part D claims for 25 beneficiaries; the average among surgery physician prescribers was 147. 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.