NPI Portal NPI Lookup & Verification

Eastern Suffolk Nephrology, PC

Eastern Suffolk Nephrology, PC is a healthcare organization registered as Nephrology Physician in Riverhead, NY, holding Type 2 (organization) NPI 1174602189 since 2006. The authorized official on file is Purshotam Nagwani, MD.

✓ Active NPI ✓ Valid NPI checksum

NPI 1174602189
Entity type Organization (Type 2)
Legal business name Eastern Suffolk Nephrology, PC
Other name <Unavail>
Practice address 758 HARRISON AVE, Riverhead, NY, 11901
Phone 6317275112
Fax 6317279061
Enumeration date 2006-11-02
Last updated in NPPES 2008-06-18

Authorized official

Name Purshotam Nagwani
Title MD
Phone 6317275112

Taxonomy & classification

Taxonomy code Specialty Primary License State
207RN0300X Nephrology Physician Primary 143580 NY
Copy-ready billing details
Provider: Eastern Suffolk Nephrology, PC
NPI: 1174602189
Taxonomy: 207RN0300X (Nephrology Physician)
Address: 758 HARRISON AVE, Riverhead, NY, 11901

Providers at this address

NPI Name Type Specialty Location
1811920507 Purshotam Nagwani Individual Nephrology Physician Riverhead, NY
1831243880 Eastern Suffolk Nephrology PC Organization Nephrology Physician Riverhead, NY
1194972729 Hasan Khondker Individual Nephrology Physician Riverhead, NY
1770951758 Hasan Khondker Medical PC Organization Nephrology Physician Riverhead, NY

Verify this record

Cross-check NPI 1174602189 against the authoritative CMS record: view Eastern Suffolk Nephrology, PC on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Who is the authorized official for Eastern Suffolk Nephrology, PC?
NPPES lists Purshotam Nagwani (MD) as the authorized official for this organization.
What is the NPI number for Eastern Suffolk Nephrology, PC?
The NPI for Eastern Suffolk Nephrology, PC is 1174602189, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-06-18.