Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Thomas Berenberg, M.D.

Retina Specialist (Ophthalmology) Physician in Waterbury, CT · enumerated 2009 · practices at The Eye Care Group, P.C..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1407084544

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Registry record

Entity type Individual (Type 1)

Name Dr. Thomas Berenberg

Credential M.D.

Sex Male

Practice address 1201 W Main St, Suite 100, Waterbury, CT, 06708

Phone (203) 573-4803

Fax (203) 573-4805

Enumeration date Jun 28, 2009

Last updated in NPPES Jun 26, 2024

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 054581 (CT) Secondary

207WX0107X Retina Specialist (Ophthalmology) Physician Allopathic & Osteopathic Physicians · License 054581 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

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Frequently asked questions

How do I verify Thomas Berenberg's NPI record?

Cross-check NPI 1407084544 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1407084544 active?

Yes, as of the latest NPPES snapshot, NPI 1407084544 is active (record last updated 2024-06-26).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-26.