Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ellen Block Milstone, M.D.

Procedural Dermatology Physician in Hamden, CT · enumerated 2005 · practices at Cardiology Consultants, P.C..

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

National Provider Identifier

1578560132

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Registry record

Entity type Individual (Type 1)

Name Ellen Block Milstone

Credential M.D.

Sex Female

Practice address Hamden, CT, 06518

Phone (203) 288-1142

Fax (203) 288-5086

Enumeration date Jun 28, 2005

Last updated in NPPES Sep 11, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 017267 (CT) Secondary

207ND0900X Dermatopathology Physician Allopathic & Osteopathic Physicians · License 017267 (CT) Secondary

207NP0225X Pediatric Dermatology Physician Allopathic & Osteopathic Physicians · License 017267 (CT) Secondary

207NS0135X Procedural Dermatology Physician Allopathic & Osteopathic Physicians · License 017267 (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
010017267CT03	Other	CT	ANTHEM BLUE CROSS
750372	Other	CT	CONNECTICARE

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

What is the NPI number for Ellen Milstone?

The National Provider Identifier (NPI) for Ellen Milstone is 1578560132, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ellen Milstone practice?

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

Other providers at this practice address

Browse all →

Charles Rethy Internal Medicine Physician · Hamden, CT NPI 1982602884 Bernard Adelsberg Allergy & Immunology (Internal Medicine) Physician · Hamden, CT NPI 1417956962 Christine Wollschlager Pulmonary Disease Physician · Hamden, CT NPI 1750380200 Cynthia Desmarais Physical Therapist · Hamden, CT NPI 1891739306 Diane Griffin Physical Therapist · Hamden, CT NPI 1366549958 Melissa Jurgen Hand Occupational Therapist · Hamden, CT NPI 1245337831 Nancy Perron Physical Therapist · Hamden, CT NPI 1992887871 Cardiology Consultants, P.C. Cardiovascular Disease Physician · Hamden, CT NPI 1376742395

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.