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MIDDLESEX GASTROENTEROLOGY ASSOCIATES, LLC
NPI 1205894375
Internal Medicine - Gastroenterology in Middletown, CT

Active since May 01, 2006CLIA 07D0710066 · Certificate of Compliance
410 SAYBROOK ROAD, SUITE 201, MIDDLETOWN, CT 06457(860) 347-4620(860) 346-9687 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 5, 2025, Oct 2, 2023 (2 updates tracked since 2023).

About Middlesex Gastroenterology Associates, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MIDDLESEX GASTROENTEROLOGY ASSOCIATES, LLC (NPI 1205894375) is a healthcare organization registered as a gastroenterology in Middletown, Connecticut and active in the NPI registry since May 2006. The organization holds a CLIA Certificate of Compliance certificate valid through May 16, 2027 and lists Mario Ricci, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1205894375
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameMIDDLESEX GASTROENTEROLOGY ASSOCIATES, LLC
Location Address410 SAYBROOK ROAD, SUITE 201Middletown, CT 06457-4747
Mailing Address410 Saybrook Road, Suite 201Middletown, CT 06457-4747 · (860) 347-4620 · Fax (860) 346-9687
Phone(860) 347-4620
Fax(860) 346-9687
Organization SubpartNo
Authorized OfficialMario RicciManaging Partner · (860) 347-4620
Enumeration DateMay 1, 2006
Last NPPES UpdateAugust 5, 20252 updates tracked since enumeration
NPPES CertifiedAugust 5, 2025
✔ NPI 1205894375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 025965
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
410 SAYBROOK ROAD, Middletown, CT 06457
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Middlesex Gastroenterology Associates, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Middlesex Gastroenterology Associates, LLC, which bills Medicare for the services they deliver. Of these, 10 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 2

Gastroenterology8
Nurse Practitioner2

Clinicians, nearest first (10)

Joshua Alderman, APRN
Nurse Practitioner
NPI 1639622962
410 SAYBROOK RD STE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Lucian Gorgan, MD
Gastroenterology
NPI 1619906542
410 SAYBROOK RD SUITE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Nadeem Hussain, MD
Gastroenterology
NPI 1548228596
410 SAYBROOK RD SUITE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Gregor Koobatian, MD
Gastroenterology
NPI 1609833730
410 SAYBROOK RD SUITE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Xiang Liu, MD
Gastroenterology
NPI 1881185718
410 SAYBROOK RD STE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Angelo Paredes, M.D.
Gastroenterology
NPI 1235289398
410 SAYBROOK RD STE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Perry Pratt, MD
Gastroenterology
NPI 1952712721
410 SAYBROOK RD STE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Lauren Prior, APRN
Nurse Practitioner
NPI 1659051704
410 SAYBROOK RD STE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Homaira Rasool, DO
Gastroenterology
NPI 1043740293
410 SAYBROOK RD
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address
Mario Ricci, MD
Gastroenterology
NPI 1124130760
410 SAYBROOK RD SUITE 201
Middletown, CT 06457
(860) 347-4620
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 07D0710066

Middlesex Gastroenterology Associates, LLC · Middletown, CT
Active · expires May 16, 2027
CLIA Number07D0710066
Laboratory TypePhysician Office
Certificate Effective DateMay 17, 2025
Certificate Expiration DateMay 16, 2027
Laboratory DirectorJoseph Semple
Laboratory Phone(860) 347-4620
Laboratory LocationMiddlesex Gastroenterology Associates, LLC410 Saybrook Rd Ste 202, Middletown, CT 06457
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Middlesex Gastroenterology Associates, LLC's NPI number?

The NPI number for Middlesex Gastroenterology Associates, LLC is 1205894375. It was assigned to this organization in the NPPES registry on May 1, 2006.

Where is Middlesex Gastroenterology Associates, LLC located?

Middlesex Gastroenterology Associates, LLC is located at 410 Saybrook Road Suite 201, Middletown, CT 06457. The listed phone number is (860) 347-4620.

What is Middlesex Gastroenterology Associates, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Middlesex Gastroenterology Associates, LLC enrolled in Medicare?

Yes. Middlesex Gastroenterology Associates, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Middlesex Gastroenterology Associates, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Middlesex Gastroenterology Associates, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (8) and Nurse Practitioner (2). Of these, 10 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Middlesex Gastroenterology Associates, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 07D0710066) is associated with this NPI, valid through May 16, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Middlesex Gastroenterology Associates, LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Middlesex Gastroenterology Associates, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Middlesex Gastroenterology Associates, LLC was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.