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

Dr. Marc Ryan Obbink, DC

Individual provider Chiropractor · NPI 1437103140

Dr. Marc Ryan Obbink, DC is a Chiropractic in Sioux City, Iowa. Graduated from Cleveland Chiropractic College - Kansas City in 2005, 21 years ago. Licensed in Iowa.

Years since qualifying
21
Trained at
Cleveland Chiropractic College - Kansas City
Licensed in
IA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

4716 Morningside Ave
Sioux City, IA 51106-3020
Phone: (712) 276-0712
Fax: (712) 276-0718
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 06828 (IA)

Record details

NPI number1437103140
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESApril 21, 2026
Certification dateApril 21, 2026
Mailing address4716 Morningside Ave, Sioux City, IA 51106-3020

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolCLEVELAND CHIROPRACTIC COLLEGE - KANSAS CITY
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Not indicated

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