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

Individual provider Radiation Oncology Physician · NPI 1699852368

John M Martens, MD is a Radiation Oncology in Des Moines, Iowa. Graduated from University of Nebraska College of Medicine in 1997, 29 years ago. Practices with Mercy Clinics Inc, a 442-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
29
Trained at
University of Nebraska College of Medicine
Licensed in
IA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

411 Laurel St Ste C100
Des Moines, IA 50314-3017
Phone: (515) 643-5168
Fax: (515) 643-5187
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 34592 (IA)

Record details

NPI number1699852368
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESNovember 20, 2007
Mailing addressPo Box 816, Des Moines, IA 50304-0816

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF NEBRASKA COLLEGE OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Mercy Clinics Inc — 442 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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