Gerard Siciliano, M.D.
NPI 1558322917 · Gastroenterology Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerard Siciliano, M.D. is a Gastroenterology Physician provider in Louisville, KY (NPI 1558322917).
Provider details
- NPI number
- 1558322917
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 32151 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
817 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $123 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 105 | $98 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 105 | $87 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 88 | $246 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 57 | $183 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 446 | 125 |
| Omeprazole | 296 | 96 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 155 | 148 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 149 | 144 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 121 | 120 |
| Ondansetron Hcl | 113 | 44 |
| Dicyclomine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$458 across 22 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2021-01-21
- Certified
- 2021-01-21
Frequently asked questions
- What is Gerard Siciliano's NPI number?
- Gerard Siciliano's National Provider Identifier (NPI) is 1558322917, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerard Siciliano's specialty?
- Gerard Siciliano is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerard Siciliano located?
- Gerard Siciliano's practice location on file with NPPES is 3999 Dutchmans Ln, Louisville, KY 40207-4729.
- What is Gerard Siciliano's phone number?
- The practice phone number listed in the NPPES registry for Gerard Siciliano is (502) 896-4711.
- Does Gerard Siciliano accept Medicare?
- Gerard Siciliano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerard Siciliano's NPI active?
- Yes — Gerard Siciliano's NPI (1558322917) is active in the NPPES registry as of the last update on 2021-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.