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Dr. John Martens

Radiation Oncologist - Medical Director

oncologist Mercy Medical Center North Iowa
Reveal Contact Info
Overview
Level
Director
Position in HealthTal Database
  • 3,248 healthcare professionals in HealthTal hold the oncologist specialty. John Martens is one of them.
  • 48 contacts at Mercy Medical Center North Iowa are tracked in HealthTal.

    • Data refreshed July 2026.

Public records & verifications
  • Verify against the NPPES Provider Registry (HHS / CMS). Search NPPES →
  • Data aggregated from public licensure databases, LinkedIn, and verified employer records. Cross-check via the registry link above.
About Mercy Medical Center North Iowa
Industry
Hospitals & Physicians Clinics
Employees
5000+
Revenue
$1B+
Office Location
1111 6th Ave, Des Moines, IA
Professional Overview

Dr. John Martens is a Radiation Oncologist - Medical Director, currently affiliated with Mercy Medical Center North Iowa, based in the United States. As a oncologist, Dr. Martens contributes to patient care, clinical workflows, and healthcare operations in the United States. Mercy Medical Center North Iowa operates in the Hospitals & Physicians Clinics sector with a workforce of 5000+ employees. Healthcare organizations seeking to recruit oncologist professionals can use HealthTal to access verified direct email addresses and personal phone numbers sourced from NPI records and professional licensing databases. Direct outreach to oncologist specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure.

Recruiting oncologist

Healthcare professionals with oncologist expertise are recruited nationwide. Direct outreach via verified email and phone produces significantly faster placements than relying on job boards or passive candidates. HealthTal's database provides personal contact data verified against NPI and state licensing records.

Browse all oncologists →

Frequently Asked Questions

What is Dr. John Martens's specialty?
Dr. John Martens specializes in oncologist. Their current role is Radiation Oncologist - Medical Director.
Where does Dr. John Martens currently work?
Dr. John Martens currently works at Mercy Medical Center North Iowa.
How do I contact Dr. John Martens for recruiting?
HealthTal provides verified direct email address and phone number for Dr. John Martens. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.
How do I recruit a oncologist?
Recruiting oncologists typically involves reaching out via direct email or phone. HealthTal's database provides verified contact data for oncologists across all 50 states, allowing you to contact candidates directly without going through job boards.