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Dr. Mark R Fantaski, MD

Internal Medicine Physician in Gibsonia, PA · enumerated 2005.

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

National Provider Identifier

1689651630

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Registry record

Entity type Individual (Type 1)
Name Dr. Mark R Fantaski
Credential MD
Sex Male
Practice address 5318 Ranalli Dr, Gibsonia, PA, 15044
Phone (724) 449-9355
Fax (724) 449-2727
Enumeration date Dec 29, 2005
Last updated in NPPES Jan 14, 2008

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD048987L (PA) 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
0014057000010 Other PA MAID NUMBER

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 Mark Fantaski?
The National Provider Identifier (NPI) for Mark Fantaski is 1689651630, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Fantaski practice?
The practice location on file with NPPES is in Gibsonia, PA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-14.