Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marc D Sullivan, M.D.

Family Medicine Physician in Fountain Hills, AZ · enumerated 2007.

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

National Provider Identifier

1437350030

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Registry record

Entity type Individual (Type 1)

Name Marc D Sullivan

Credential M.D.

Sex Male

Practice address 16838 E Palisades Blvd, Suite C153, Fountain Hills, AZ, 85268

Phone (480) 816-3131

Fax (480) 816-3136

Enumeration date May 30, 2007

Last updated in NPPES Jan 30, 2009

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 40747 (AZ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Marc Sullivan?

The National Provider Identifier (NPI) for Marc Sullivan is 1437350030, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marc Sullivan practice?

The practice location on file with NPPES is in Fountain Hills, AZ. 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 2009-01-30.