NPPES file of Aug 9, 2026

Anas Kawayeh, M.D.

Gastroenterology Physician · Rialto, CA

Anas Kawayeh, M.D. is a gastroenterology physician with a practice address in Rialto, California, and NPI 1821296591, issued on Jul 4, 2007. Check the license (California A109588, 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
1821296591
Name
Anas Kawayeh
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A109588 CA
Self-reported in NPPES; status is on the state search
Practice location
2006 N Riverside Ave, Rialto, CA 92377
Phone
(909) 883-2999
Enumerated
Jul 4, 2007
Record last updated
Jan 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100809000840); 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 2006 N Riverside Ave

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

  1. Kumaravelu Balasubramaniam, MDGastroenterology Physician1134184708
  2. Victor Guharoy, MDGastroenterology Physician1306259114

Verify Anas Kawayeh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A109588
    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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33% fewer Medicare Part D claims than the average gastroenterology physician in 2024

543 Medicare Part D claims for 236 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Anas Kawayeh543
  2. Specialty average811

Most prescribed

  1. Omeprazole139 claims
  2. Peg-3350 And Electrolytes63 claims
  3. Pantoprazole Sodium59 claims
  4. Sutab47 claims
  5. Gavilyte-G42 claims
  6. Linzess24 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: $629.02

27 payments; by number, the most common kind was 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. Anas Kawayeh$629.02
  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. San Bernardino Gastroenterology Associates IncRialto, 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 Anas Kawayeh, M.D.'s NPI number?

Anas Kawayeh, M.D.'s National Provider Identifier (NPI) is 1821296591, issued on Jul 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Anas Kawayeh, M.D. located?

The NPPES record lists a practice address at 2006 N Riverside Ave, Rialto, CA, 92377. Phone: (909) 883-2999. Providers update this record themselves, so call before visiting.

How can I verify Anas Kawayeh, M.D.'s license?

NPPES lists California license number A109588, 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 Anas Kawayeh, M.D. prescribe under Medicare Part D?

In 2024, Anas Kawayeh, M.D. had 543 Medicare Part D claims for 236 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.