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

Allan J Olthoff, DO

Individual provider Family Medicine Physician · NPI 1780731067

Allan J Olthoff, DO is a Family Practice in Chicago, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
45
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2007
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2600 S Michigan Ave Ste 210
Chicago, IL 60616-2859
Phone: (312) 623-3007
Fax: (312) 877-5643
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neuromusculoskeletal Medicine & OMM Physician (primary) Taxonomy 204D00000X · Licence 036064582 (IL)
Family Medicine Physician Taxonomy 207Q00000X · Licence 036064582 (IL)

Record details

NPI number1780731067
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJanuary 5, 2007
Last updated in NPPESJuly 30, 2025
Certification dateJuly 30, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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