Doctor profile · Federal record

Dr. Afshin Khaiser, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Galesburg, IL

  • NPI 1255630646
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3315 N Seminary St
Galesburg, IL 614011251
(309) 344-1000
fax (309) 344-2405

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
July 20, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036136010

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255630646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
513
Distinct HCPCS
10
Medicare allowed
$73,870
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 67 66 $106
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 60 60 $249
99214 Established patient office or other outpatient visit, 30-39 minutes 52 46 $121
99205 New patient office or other outpatient visit, 60-74 minutes 49 49 $222
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 49 48 $128
99215 Established patient office or other outpatient visit, 40-54 minutes 47 42 $178
45380 Biopsy of large bowel using a flexible endoscope 45 44 $163
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 30 30 $112
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 27 19 $49
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 26 26 $13

In context: peer comparison

Among 2 peers in Galesburg Gastroenterology Physician, average services per provider: 33. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$380
Transactions
19
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 7 $156.00
Janssen Biotech, INC. 2 $49.08
Phathom Pharmaceuticals, INC. 3 $48.50
Ardelyx, INC. 2 $33.52
Ironwood Pharmaceuticals, INC 1 $27.46
Celgene Corporation 1 $19.22
Lilly USA, LLC 1 $17.43
Takeda Pharmaceuticals U.S.A., INC. 1 $15.12
Aimmune Therapeutics, INC. 1 $13.54

By nature of payment

Food and Beverage
$380

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
336
Patients
113
Total drug cost
$374,023
Drug Type Claims Patients Total cost
Omeprazole Generic 119 49 $1,982
Dicyclomine Hcl Generic 47 12 $1,084
Pantoprazole Sodium Generic 46 26 $694
Mesalamine Generic 37 0 $22,756
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 26 26 $2,068
Azathioprine Generic 22 0 $1,224
Sulfasalazine Generic 15 0 $459
Amitriptyline Hcl Generic 12 0 $91
Stelara (Ustekinumab) Brand 12 0 $343,663

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Afshin Khaiser's medical specialty?
Dr. Afshin Khaiser practices Gastroenterology Physician in Galesburg, IL.
Where does Dr. Afshin Khaiser practice?
Dr. Afshin Khaiser practices at 3315 N Seminary St, Galesburg, IL 614011251. Office phone: 3093441000.
What is Dr. Afshin Khaiser's NPI?
Dr. Afshin Khaiser's National Provider Identifier (NPI) is 1255630646, issued by NPPES.
Does Dr. Afshin Khaiser accept Medicare assignment?
Yes. Dr. Afshin Khaiser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Afshin Khaiser commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.