Nicholas Lillo, M.D.

Gastroenterology (CMS) · Fairfield, CT

Call (203) 374-4966 Directions

At a glance

425 Post Rd, Fairfield, CT 06824-6232

Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage

NPPES record updated May 12, 2020. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

425 Post Rd
Fairfield, CT 06824-6232

Additional reported practice locations

300 Community Dr
Dept Of Medicine
Manhasset, NY 110303816
Phone: 5165620100
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
State University Of New York Downstate Medical Center
Graduation year
2007
CMS specialties
Gastroenterology

CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

Advertisement
Advertising spaceAdvertisements are separate from provider records.
PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

Procedure categoryPublished Medicare activity
Colonoscopy108
Upper gastrointestinal (GI) endoscopy for acid reflux65

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

Explore similar providers →
PAYMENT TRANSPARENCY

Industry-reported general payments

$2,614.43General payments · 2025
124Reported transactions
20Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

PurposeAmount
Food and beverage$2,614.43

Reporting companies

CompanyAmount
TAKEDA PHARMACEUTICALS U.S.A., INC.$462.22
ABBVIE INC.$415.93
JANSSEN BIOTECH, INC.$368.91
ARDELYX, INC.$272.19
PFIZER INC.$172.18
MADRIGAL PHARMACEUTICALS$145.54
LILLY USA, LLC$145.46
PHATHOM PHARMACEUTICALS, INC.$134.54
Other reporting companies$497.46
View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1144482308
Call Directions

Registry details

Primary taxonomy
Gastroenterology (CMS)
Taxonomy code
207RG0100X
Enumeration date
Jun 30, 2008
Record updated
May 12, 2020
More registry details
Provider type
Individual · Type 1
Reported credentials
M.D.

Reported taxonomies and licenses

Specialty details in registry

390200000X

Specialty details in registry

207RG0100X · Primary

License reported: 051628 CT

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

425 Post Rd
Fairfield, CT 06824-6232
Phone
(203) 374-4966
Mailing address
425 POST RD

FAIRFIELD, CT 068246232
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

Report a directory issue