Nicholas Lillo, M.D.
NPI 1144482308 · Gastroenterology Physician · Fairfield, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Lillo, M.D. is a Gastroenterology Physician provider in Fairfield, CT (NPI 1144482308).
Provider details
- NPI number
- 1144482308
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
568 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 | 117 | $131 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 90 | $82 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 74 | $90 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 74 | $259 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 522 | 172 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 210 | 201 |
| Omeprazole | 150 | 40 |
| Dicyclomine Hcl | 111 | 39 |
| Linaclotidebrand: Linzess | 94 | 26 |
| Lipase/Protease/Amylasebrand: Creon | 67 | 15 |
| Sucralfate | 63 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,398 across 125 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
Additional practice locations (1)
- 300 Community DrDept of MedicineManhasset, NY 11030-3816Phone: (516) 562-0100
Registry dates
- Enumerated
- 2008-06-30
- Last updated
- 2020-05-12
- Certified
- 2020-05-12
Frequently asked questions
- What is Nicholas Lillo's NPI number?
- Nicholas Lillo's National Provider Identifier (NPI) is 1144482308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Lillo's specialty?
- Nicholas Lillo is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Lillo located?
- Nicholas Lillo's practice location on file with NPPES is 425 Post Rd, Fairfield, CT 06824-6232.
- What is Nicholas Lillo's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Lillo is (203) 374-4966.
- Does Nicholas Lillo accept Medicare?
- Nicholas Lillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Lillo's NPI active?
- Yes — Nicholas Lillo's NPI (1144482308) is active in the NPPES registry as of the last update on 2020-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.