Doctor profile · Federal record

Dr. Gerard Siciliano, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Surgery Physician · Specialist · Louisville, KY

  • NPI 1558322917
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3999 Dutchmans Ln, Suite 7B
Louisville, KY 402074729
(502) 896-4711
fax (502) 896-4791
Mailing address
Po Box 776351
Chicago, IL 606776351

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 21, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Kentucky #32151
Medicaid (2)
IN #201080170 · KY #64321516

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558322917. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
863
Distinct HCPCS
10
Medicare allowed
$113,150
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 120 118 $237
99213 Established patient office or other outpatient visit, 20-29 minutes 118 102 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 111 96 $118
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 94 91 $96
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 89 89 $104
99204 New patient office or other outpatient visit, 45-59 minutes 63 63 $157
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 54 38 $46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 46 45 $166
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 37 37 $174
45380 Biopsy of large bowel using a flexible endoscope 32 32 $134

In context: peer comparison

Among 26 peers in Louisville Gastroenterology Physician, average services per provider: 84. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$458
Transactions
22
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 14 $211.90
Takeda Pharmaceuticals U.S.A., INC. 1 $121.84
Abbvie INC. 3 $52.24
Genzyme Corporation 2 $43.38
Ardelyx, INC. 2 $28.62

By nature of payment

Food and Beverage
$458

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,907
Patients
730
Total drug cost
$2,077,368
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 422 126 $6,332
Omeprazole Generic 315 103 $4,318
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 149 144 $2,577
Dicyclomine Hcl Generic 131 40 $3,136
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 126 124 $9,539
Ondansetron Hcl Generic 117 38 $1,023
Linzess (Linaclotide) Brand 110 30 $101,522
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 98 25 $2,137
Promethazine Hcl Generic 91 18 $705
Famotidine Generic 76 25 $1,185

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gerard Siciliano's medical specialty?
Dr. Gerard Siciliano practices Gastroenterology Physician in Louisville, KY.
Where does Dr. Gerard Siciliano practice?
Dr. Gerard Siciliano practices at 3999 Dutchmans Ln, Louisville, KY 402074729. Office phone: 5028964711.
What is Dr. Gerard Siciliano's NPI?
Dr. Gerard Siciliano's National Provider Identifier (NPI) is 1558322917, issued by NPPES.
Does Dr. Gerard Siciliano accept Medicare assignment?
Yes. Dr. Gerard Siciliano accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gerard Siciliano commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.