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

Dr. Mark Holtschlag, DC

Individual provider Nutritionist · NPI 1174680672

Dr. Mark Holtschlag, DC is a Chiropractic in Quincy, Illinois. Graduated from Palmer College Chiropractic - West Sunnyvale in 1981, 45 years ago. Practices as a sole proprietor. Licensed in Illinois.

Years since qualifying
45
Trained at
Palmer College Chiropractic - West Sunnyvale
Licensed in
IL
In the registry since
2007
Specialties on file
2
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

2000 Jefferson
Quincy, IL 62301-5655
Phone: (217) 228-2040
Fax: (217) 228-2042
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X (IL)
Nutritionist Taxonomy 133N00000X

Record details

NPI number1174680672
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedJanuary 3, 2007
Last updated in NPPESApril 9, 2008
Mailing address2000 Jefferson, Quincy, IL 62301-5655

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolPALMER COLLEGE CHIROPRACTIC - WEST SUNNYVALE
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Not indicated

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