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Dr. Frederick Zivnuska

Radiation Oncologist

oncologist St Louis, MO Us Oncology
j.doe@example.com linkedin.com/in/...
Reveal Contact Info
Overview
Level
Staff
Tenure
17 years at Us Oncology
Gender
Male
Connections
1
Position in HealthTal Database
  • 3,248 healthcare professionals in HealthTal hold the oncologist specialty. Frederick Zivnuska is one of them.
  • 47 oncologists are based in MO (out of 26,542 total healthcare contacts in that state).
  • 142 contacts at Us Oncology are tracked in HealthTal.
  • Top employers of oncologists in MO: Mercy (3), Saint Luke's Health System (3), Ssm Health (3).
  • 2% of oncologists in MO hold a senior title (Director, Manager, Chief, VP, etc.).
  • 70% of oncologists in MO have verified education credentials on file.
  • Data refreshed June 2026.

Public records & verifications
  • Verify against the NPPES Provider Registry (HHS / CMS). Search NPPES →
  • Professional LinkedIn profile on file (subscribers only).
  • Data aggregated from public licensure databases, LinkedIn, and verified employer records. Cross-check via the registry link above.
Education
University of Wisconsin-Madison
Doctor of Medicine (MD), Medicine
1970
About Us Oncology
Industry
Hospitals & Physicians Clinics
Employees
5000+
Revenue
$100M to <$1B
Website
usoncology.com
Office Location
Lake Saint Louis, MO
Professional Overview

Dr. Frederick Zivnuska is a Radiation Oncologist, currently affiliated with Us Oncology, based in St Louis, MO. As a oncologist, Dr. Zivnuska contributes to patient care, clinical workflows, and healthcare operations in St Louis, MO. They have been with Us Oncology for 17 years. Dr. Zivnuska holds academic credentials, including Doctor of Medicine (MD), Medicine, from University of Wisconsin-Madison. Us Oncology 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. The St Louis, MO healthcare market offers access to a concentrated pool of clinical professionals, making direct outreach particularly effective for organizations building local care teams or expanding service capacity in the region.

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

Where is Dr. Frederick Zivnuska located?
Dr. Frederick Zivnuska is based in St Louis, MO. They are currently affiliated with Us Oncology.
What is Dr. Frederick Zivnuska's specialty?
Dr. Frederick Zivnuska specializes in oncologist. Their current role is Radiation Oncologist.
Where does Dr. Frederick Zivnuska currently work?
Dr. Frederick Zivnuska currently works at Us Oncology. They have been there for 17 years.
What is Dr. Frederick Zivnuska's educational background?
Dr. Frederick Zivnuska attended University of Wisconsin-Madison.
How do I contact Dr. Frederick Zivnuska for recruiting?
HealthTal provides verified direct email address and phone number for Dr. Frederick Zivnuska. 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.

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