Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark Edward Allen

Q: What is the NPI number for Mark Allen?

The National Provider Identifier (NPI) for Mark Allen is 1558341420, a Type 1 (individual) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in Virginia Beach, VA · enumerated 2006.

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

National Provider Identifier

1558341420

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Registry record

Entity type Individual (Type 1)

Name Mark Edward Allen

Sex Male

Practice address 800 Independence Blvd, Virginia Beach, VA, 23455

Phone (757) 363-6230

Fax (757) 363-6204

Enumeration date Jan 18, 2006

Last updated in NPPES Dec 23, 2014

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 0024166765 (VA) Primary

Other identifiers

Identifier	Type	State	Issuer
11919377	Other	VA	CAQH

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 Mark Allen?

The National Provider Identifier (NPI) for Mark Allen is 1558341420, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Allen 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 2014-12-23.