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Mark W Clark X, MD

Cardiovascular Disease Physician in Hampton, VA · enumerated 2006 · practices at Hampton Mental Health Associates, Inc.

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

National Provider Identifier

1336107762

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Registry record

Entity type Individual (Type 1)
Name Mark W Clark X
Credential MD
Sex Male
Practice address 2112 Hartford Rd, Suite B, Hampton, VA, 23666
Fax (757) 838-3692
Enumeration date May 3, 2006
Last updated in NPPES May 5, 2011

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 0101028804 (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
1336107762 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 Clark?
The National Provider Identifier (NPI) for Mark Clark is 1336107762, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Clark practice?
The practice location on file with NPPES is in Hampton, 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 2011-05-05.