Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John B Sempek, D.C.
Chiropractor in Ralston, NE · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609882711
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. John B Sempek
Credential D.C.
Sex Male
Practice address 8013 L St, Ralston, NE, 68127
Phone (402) 592-7686
Fax (402) 592-0689
Enumeration date Jul 31, 2006
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 |
|---|---|---|---|
| 36610 | Other | NE | BLUE CROSS BLUE SHIELD |
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
Where does John Sempek practice?
The practice location on file with NPPES is in Ralston, NE. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Sempek?
The National Provider Identifier (NPI) for John Sempek is 1609882711, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Roger Madsen Chiropractor · Ralston, NE NPI 1104832211 Cary Holl Chiropractor · Ralston, NE NPI 1356439434 James Malloy Chiropractor · Omaha, NE NPI 1831263649 Rkm Inc. Chiropractor · Ralston, NE NPI 1487861167 Timothy Sullivan Chiropractor · Omaha, NE NPI 1508113291 Revitalize Chiropractic LLC Chiropractor · Omaha, NE NPI 1467702951
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.