Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Dr. David John Kroupa, DC
Chiropractor in Katy, TX · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1306838412
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Registry record
Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 5107702 | Other | - | AETNA |
| 760564825 | Other | - | FORTIS |
| 3500054010 | Other | - | RR MEDICARE |
| 760564825 | Other | - | TML |
| 648327 | Other | - | UNITED HEALTHCARE |
| 760564825 | Other | - | HUMANA |
| 605928 | Other | - | BCBS |
| 7931843 | Other | - | CIGNA |
| 760564825 | Other | - | UNICARE |
| 21190173262 | Other | - | BEECHSTREET |
| 760564825 | Other | - | PHCS |
| 906979 | Other | - | FOCUS HEALTHCARE |
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
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-18.