Doctor profile · Federal record

Dr. Anas Kawayeh, M.D.

Gastroenterology Physician (CMS: Internal Medicine) · Rialto, CA

  • NPI 1821296591
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2006 N Riverside Ave, Ste A
Rialto, CA 923774696
(909) 883-2999
Mailing address
375 Terracina Blvd
Redlands, CA 923733801

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
January 6, 2020
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A109588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821296591. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,614
Distinct HCPCS
10
Medicare allowed
$213,300
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 913 194 $124
99291 Critical care, first 30-74 minutes 181 34 $220
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 116 114 $178
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 107 95 $13
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 55 54 $113
99215 Established patient office or other outpatient visit, 40-54 minutes 48 31 $185
88313 Special stained specimen slides to examine tissue including interpretation and report 46 19 $12
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 40 40 $224
88305 Pathology examination of tissue using a microscope, intermediate complexity 36 19 $37
99205 New patient office or other outpatient visit, 60-74 minutes 28 28 $226

In context: peer comparison

Among 1 peers in Rialto Gastroenterology Physician, average services per provider: 134. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$629
Transactions
27
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 10 $147.72
Lilly USA, LLC 1 $125.00
Merck Sharp & Dohme LLC 4 $79.15
Phathom Pharmaceuticals, INC. 3 $76.99
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 3 $55.47
Gilead Sciences, INC. 2 $45.44
Madrigal Pharmaceuticals 1 $38.68
RedHill Biopharma INC. 1 $28.44
Janssen Biotech, INC. 1 $16.18
Takeda Pharmaceuticals U.S.A., INC. 1 $15.95

By nature of payment

Food and Beverage
$629

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
305
Patients
156
Total drug cost
$30,444
Drug Type Claims Patients Total cost
Omeprazole Generic 81 36 $1,415
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 58 53 $1,057
Pantoprazole Sodium Generic 50 18 $1,218
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 41 38 $6,740
Linzess (Linaclotide) Brand 20 0 $11,304
Famotidine Generic 17 0 $427
Mesalamine Generic 16 0 $7,496
Loperamide (Loperamide Hcl) Brand 11 0 $589
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 11 11 $198

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anas Kawayeh's medical specialty?
Dr. Anas Kawayeh practices Gastroenterology Physician in Rialto, CA.
Where does Dr. Anas Kawayeh practice?
Dr. Anas Kawayeh practices at 2006 N Riverside Ave, Rialto, CA 923774696. Office phone: 9098832999.
What is Dr. Anas Kawayeh's NPI?
Dr. Anas Kawayeh's National Provider Identifier (NPI) is 1821296591, issued by NPPES.
Does Dr. Anas Kawayeh accept Medicare assignment?
Yes. Dr. Anas Kawayeh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anas Kawayeh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.