Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert D Callahan, M.D.

Family Medicine Physician in Virginia Beach, VA · enumerated 2006 · practices at Velocity Urgent Care, LLC.

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

National Provider Identifier

1528033180

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert D Callahan

Credential M.D.

Sex Male

Practice address 3745 Holland Rd, Virginia Beach, VA, 23452

Phone (757) 962-8720

Fax (757) 507-9004

Enumeration date Feb 17, 2006

Last updated in NPPES Dec 27, 2013

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 0101047267 (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
005601177	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Robert Callahan?

The National Provider Identifier (NPI) for Robert Callahan is 1528033180, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Callahan practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-27.