Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark Daniel Horvath, D.O.

Vascular & Interventional Radiology Physician in Vero Beach, FL · enumerated 2007.

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

National Provider Identifier

1598977076

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark Daniel Horvath

Credential D.O.

Sex Male

Practice address 1000 36th St, Vero Beach, FL, 32960

Phone (772) 538-9450

Fax (772) 400-6933

Enumeration date May 4, 2007

Last updated in NPPES Nov 17, 2023

Taxonomy & licenses

2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians · License OS11665 (FL) Primary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License C70002983 (DE) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License OS11665 (FL) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License OS013961 (PA) Secondary

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
005829200	Medicaid	FL	-
1598977076	Medicaid	DE	-
P00870331	Other	DE	RR MEDICARE

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

How do I verify Mark Horvath's NPI record?

Cross-check NPI 1598977076 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1598977076 active?

Yes, as of the latest NPPES snapshot, NPI 1598977076 is active (record last updated 2023-11-17).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-17.