Joseph M. Duva Md PC in Riverhead, NY
This organization bills under NPI 1528392875, an organization record issued on Sep 18, 2009 with the primary taxonomy Gastroenterology Physician. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1528392875
- Legal name
- Joseph M. Duva Md PC
- Entity
- Type 2 · organization
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- Practice location
- 887 OLD COUNTRY RD SUITE A, Riverhead, NY 11901
- Phone
- 631-727-6122
- Enumerated
- Sep 18, 2009
- Record updated
- Sep 18, 2009
- Authorized official
- President/Owner (title as filed)
2 clinicians CMS lists with Joseph M Duva Md in Riverhead
- Kathleen Brown, A-NPAdult Health Nurse Practitioner1689910929
- Joseph Duva, MDGastroenterology Physician1992817977
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the New York secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.