Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert E Cassidy, M.D.

Orthopaedic Surgery Physician in Martinsville, VA · enumerated 2006.

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

National Provider Identifier

1033170659

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert E Cassidy

Credential M.D.

Sex Male

Practice address 315 Hospital Dr, Suite 105, Martinsville, VA, 24112

Phone (276) 666-7723

Enumeration date Mar 31, 2006

Last updated in NPPES Aug 16, 2013

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 0101-053359 (VA) 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
1033170659	Medicaid	VA	-

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

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.

What specialty is Robert Cassidy?

Robert Cassidy is registered in NPPES with the primary taxonomy of Orthopaedic Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-16.