Jacob Zamstein, MD, LLC

Jacob Zamstein, MD, LLC is a healthcare organization registered as Urology Physician in Bloomfield, CT, holding Type 2 (organization) NPI 1003007758 since 2007. The authorized official on file is Jacob Zamstein, Owner.

✓ Active NPI ✓ Valid NPI checksum

NPI	1003007758
Entity type	Organization (Type 2)
Legal business name	Jacob Zamstein, MD, LLC
Practice address	701 COTTAGE GROVE RD # C, SUITE 110, Bloomfield, CT, 06002
Phone	8602422900
Fax	8602422250
Enumeration date	2007-08-07
Last updated in NPPES	2008-04-25

Authorized official

Name	Jacob Zamstein
Title	Owner
Phone	8602422900

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
208800000X	Urology Physician	Primary	—	—

Copy-ready billing details

Provider: Jacob Zamstein, MD, LLC
NPI: 1003007758
Taxonomy: 208800000X (Urology Physician)
Address: 701 COTTAGE GROVE RD # C, SUITE 110, Bloomfield, CT, 06002

Verify this record

Cross-check NPI 1003007758 against the authoritative CMS record: view Jacob Zamstein, MD, LLC 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

Where is Jacob Zamstein, MD, LLC located?

The practice location on file with NPPES is in Bloomfield, CT.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-04-25. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-04-25.