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

Jan-Michael Andresen, DO

Individual provider Internal Medicine Physician · NPI 1356757421

Jan-Michael Andresen, DO is an Internal Medicine in Des Moines, Iowa. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2014, 12 years ago. Practices with Intermountain Medical Group Grand Junction, LLC, a 299-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
12
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
IA
In the registry since
2014
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

1111 6th Ave
Des Moines, IA 50314-2613
Phone: (515) 247-4240
Fax: (515) 247-4239
Show map & directions

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

Additional practice locations (1)

  • 1111 6th Ave, Des Moines, IA 50314-2613 — (515) 247-4240

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DO-05099 (IA)
Internal Medicine Physician Taxonomy 207R00000X · Licence R-10133 (IA)

Record details

NPI number1356757421
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 9, 2014
Last updated in NPPESMarch 17, 2018
Mailing address1111 6th Ave, Des Moines, IA 50314-2613

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2014 (12 years in practice)
Group practice Intermountain Medical Group Grand Junction, Llc — 299 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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