Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Sean A. Horvath, D.C.
Chiropractor in Merrillville, IN · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588669246
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Registry record
Entity type Individual (Type 1)
Name Dr. Sean A. Horvath
Credential D.C.
Sex Male
Practice address 8500 Broadway, Ste A, Merrillville, IN, 46410
Phone (219) 738-1925
Fax (219) 736-9456
Enumeration date Jun 17, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 7756224 | Other | IN | AETNA INSURANCE |
| 7497853 | Other | IN | CIGNA INSURANCE |
| 5686145 | Other | IN | FIRST HEALTH AND/OR CCN |
| 000000389991 | Other | IN | BC/BS |
| 641843 | Other | IN | ACN |
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.
Frequently asked questions
What is the NPI number for Sean Horvath?
The National Provider Identifier (NPI) for Sean Horvath is 1588669246, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sean Horvath practice?
The practice location on file with NPPES is in Merrillville, IN. 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 2007-07-08.