Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Arthur Harrison, DO

Surgery Physician in Manassas, VA · enumerated 2008.

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

National Provider Identifier

1043481336

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Registry record

Entity type Individual (Type 1)

Name Dr. John Arthur Harrison

Credential DO

Sex Male

Practice address 9001 Digges Rd, Suite 204, Manassas, VA, 20110

Phone (703) 257-9234

Fax (703) 730-7236

Enumeration date Mar 14, 2008

Last updated in NPPES Oct 28, 2020

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License OS014225 (PA) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 0102202370 (VA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
11955353	Other	VA	ANTHEM

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

What is the NPI number for John Harrison?

The National Provider Identifier (NPI) for John Harrison is 1043481336, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Harrison practice?

The practice location on file with NPPES is in Manassas, 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 2020-10-28.