Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ilene Linda Rosenberg, MD

Internal Medicine Physician in Milford, CT · enumerated 2006.

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

National Provider Identifier

1023118999

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Registry record

Entity type Individual (Type 1)

Name Dr. Ilene Linda Rosenberg

Credential MD

Sex Female

Practice address 40 Commerce Park, Milford, CT, 06460

Phone (203) 878-3531

Fax (203) 876-2169

Enumeration date Sep 22, 2006

Last updated in NPPES Jun 28, 2011

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 024635 (CT) Primary

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

Other identifiers

Identifier	Type	State	Issuer
246350	Other	CT	NMO CONNECTICARE
01024635	Other	CT	HMO CIGNA
1246354	Medicaid	CT	-

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 → Validate an NPI →

Frequently asked questions

Where does Ilene Rosenberg practice?

The practice location on file with NPPES is in Milford, CT. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Ilene Rosenberg?

The National Provider Identifier (NPI) for Ilene Rosenberg is 1023118999, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-28.