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JOSEPH M. DUVA MD PC
NPI 1528392875
Internal Medicine - Gastroenterology in Riverhead, NY

Active since September 18, 2009CLIA 33D2274935 · Certificate of Compliance
887 OLD COUNTRY RD, SUITE A, RIVERHEAD, NY 11901(631) 727-6122(631) 727-2672 Get Directions Write a Review

NPPES record last updated: September 18, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Joseph M. Duva Md Pc NPPES

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

JOSEPH M. DUVA MD PC (NPI 1528392875) is a healthcare organization registered as a gastroenterology in Riverhead, New York and active in the NPI registry since September 2009. The organization holds a CLIA Certificate of Compliance certificate valid through October 31, 2027 and lists Joseph M Duva, President/owner, as its authorized official.

NPPES Registry Identity

NPI1528392875
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameJOSEPH M. DUVA MD PC
Location Address887 OLD COUNTRY RD, SUITE ARiverhead, NY 11901-2115
Mailing Address887 Old Country Rd, Suite ARiverhead, NY 11901-2115 · (631) 727-6122 · Fax (631) 727-2672
Phone(631) 727-6122
Fax(631) 727-2672
Organization SubpartNo
Authorized OfficialJoseph M DuvaPresident/owner · (631) 727-6122
Enumeration DateSeptember 18, 2009
✔ NPI 1528392875 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 NY · 139327
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.
887 OLD COUNTRY RD, Riverhead, NY 11901
Open in Google Maps ↗

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joseph M. Duva Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Joseph M. Duva MD PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Kathleen Brown, A-NP
Nurse Practitioner
NPI 1689910929
887 OLD COUNTRY RD SUITE A
Riverhead, NY 11901
(631) 727-6122
✔ PECOS✔ Accepts MedicareSame address
Joseph Duva, MD
Gastroenterology
NPI 1992817977
887 OLD COUNTRY RD SUITE A
Riverhead, NY 11901
(631) 727-6122
✔ PECOS✔ Accepts MedicareSame address
Ranjana Mathur, M.D.
Pathology
NPI 1801994868
1300 ROANOKE AVE
Riverhead, NY 11901
(631) 548-6146
✔ PECOS✔ Accepts Medicare0.2 mi
Eleanor Gorbovitsky
Pathology
NPI 1578098794
1700 YORK AVE APT 8M
New York, NY 10128
(917) 509-3729
✔ PECOS68 mi
Anissa Abdelmalek, MD
Pathology
NPI 1073680310
355 BARD AVENUE
Staten Island, NY 10310
(516) 512-1090
✔ PECOS78 mi

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 33D2274935

Joseph M Duva MD · Riverhead, NY
Active · expires Oct 31, 2027
CLIA Number33D2274935
Laboratory TypePhysician Office
Certificate Effective DateNovember 1, 2025
Certificate Expiration DateOctober 31, 2027
Laboratory DirectorEleanor Gorbovitsky
Laboratory Phone(631) 727-6122
Laboratory LocationJoseph M Duva MD887 Old County Road, Suite A, Riverhead, NY 11901
CLIA data matches this NPI record on: 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 Joseph M. Duva MD PC's NPI number?

The NPI number for Joseph M. Duva MD PC is 1528392875. It was assigned to this organization in the NPPES registry on September 18, 2009.

Where is Joseph M. Duva MD PC located?

Joseph M. Duva MD PC is located at 887 Old Country Rd Suite A, Riverhead, NY 11901. The listed phone number is (631) 727-6122.

What is Joseph M. Duva MD PC's specialty?

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

Is Joseph M. Duva MD PC enrolled in Medicare?

Yes. Joseph M. Duva MD PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Joseph M. Duva MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Joseph M. Duva MD PC. 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 Pathology (3), Gastroenterology (1) and Nurse Practitioner (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Joseph M. Duva MD PC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 33D2274935) is associated with this NPI, valid through October 31, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Joseph M. Duva MD PC was last updated on September 18, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.