Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark Ambrose Fontana, MD

Q: What is the NPI number for Mark Fontana?

The National Provider Identifier (NPI) for Mark Fontana is 1598769960, a Type 1 (individual) record in the CMS NPPES registry.

Surgery Physician in Norfolk, VA · enumerated 2005 · practices at Sentara Medical Group.

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

National Provider Identifier

1598769960

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark Ambrose Fontana

Credential MD

Sex Male

Practice address 6251 E Virginia Beach Blvd Ste 300, Norfolk, VA, 23502

Phone (757) 261-5000

Fax (757) 962-5610

Enumeration date Jun 13, 2005

Last updated in NPPES Apr 23, 2021

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 0101049884 (VA) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 2016-00298 (NC) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 0101049884 (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
010142164	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 Mark Fontana?

The National Provider Identifier (NPI) for Mark Fontana is 1598769960, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Fontana practice?

The practice location on file with NPPES is in Norfolk, 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 2021-04-23.