Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John B Sempek, DC

Individual provider Chiropractor · NPI 1609882711

Dr. John B Sempek, DC is a Chiropractic in Ralston, Nebraska. Graduated from National College of Chiropractic in 1983, 43 years ago. Practices with Rkm Inc, a 2-clinician group. Licensed in Nebraska.

Years since qualifying
43
Trained at
National College of Chiropractic
Licensed in
NE
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

8013 L St
Ralston, NE 68127-1734
Phone: (402) 592-7686
Fax: (402) 592-0689
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 834 (NE)

Record details

NPI number1609882711
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESJuly 8, 2007
Mailing address8013 L St, Ralston, NE 68127-1734

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolNATIONAL COLLEGE OF CHIROPRACTIC
Graduated 1983 (43 years in practice)
Group practice Rkm Inc. — 2 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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