Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ralph Benjamin Epstein, M.D.

Specialist in Owings Mills, MD · enumerated 2005.

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

National Provider Identifier

1568460020

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Registry record

Entity type Individual (Type 1)

Name Dr. Ralph Benjamin Epstein

Credential M.D.

Sex Male

Practice address 23 Crossroads Dr, Suite 215, Owings Mills, MD, 21117

Phone (410) 363-9400

Fax (410) 363-9403

Enumeration date Jul 8, 2005

Last updated in NPPES May 30, 2008

Taxonomy & licenses

174400000X Specialist Other Service Providers · License D0008249 (MD) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Ralph Epstein?

Ralph Epstein is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-30.