Expertise in
23
conditions

Dr. Joshua Mammen

Surgical Oncology
Office
986880 Nebraska Medical Ctr, 
Omaha, NE 
Expertise in
23
conditions
Office
986880 Nebraska Medical Ctr, 
Omaha, NE 

Overview

Joshua Mammen is a Surgical Oncologist in Omaha, Nebraska. Dr. Mammen is highly rated in 23 conditions, according to our data. His top areas of expertise are Merkel Cell Carcinoma, Melanoma, Eccrine Porocarcinoma, Lymphadenectomy, and Ureteroscopy.

His clinical research consists of co-authoring 30 peer reviewed articles and participating in 7 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties

Surgical Oncology

Licenses

Surgery in TX

Hospital Affiliations

Bellevue Medical Center, LLC
The Nebraska Medical Center

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medica
  • EPO
  • HMO
  • PPO
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
Oscar
  • EPO
  • HMO
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Wellmark
  • HMO
  • POS
View 5 Less Insurance Carriers -

Locations

Office
986880 Nebraska Medical Ctr, Omaha, NE 68198
Other Locations
Nebraska Medicine-Bellevue
2500 Bellevue Medical Center Dr, Bellevue, NE 68123

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

7 Clinical Trials

A Randomized, Phase III Trial to Evaluate the Efficacy and Safety of Pembrolizumab (MK-3475) as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer With >/= 1 CM Residual Invasive Cancer or Positive Lymph Nodes (ypN1mi, ypN1-3) After Neoadjuvant Chemotherapy
A Randomized, Phase III Trial to Evaluate the Efficacy and Safety of Pembrolizumab (MK-3475) as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer With >/= 1 CM Residual Invasive Cancer or Positive Lymph Nodes (ypN1mi, ypN1-3) After Neoadjuvant Chemotherapy
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Other, Radiation, Procedure, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 3
Randomized Phase II Trial of Hypofractionated Dose-Escalated Photon IMRT or Proton Beam Therapy Versus Conventional Photon Irradiation With Concomitant and Adjuvant Temozolomide in Patients With Newly Diagnosed Glioblastoma
Randomized Phase II Trial of Hypofractionated Dose-Escalated Photon IMRT or Proton Beam Therapy Versus Conventional Photon Irradiation With Concomitant and Adjuvant Temozolomide in Patients With Newly Diagnosed Glioblastoma
Enrollment Status: Active_not_recruiting
Publish Date: January 14, 2026
Intervention Type: Other, Radiation, Drug
Study Drug: Temozolomide
Study Phase: Phase 2
A Phase II Randomized Study of Adjuvant Versus NeoAdjuvant Pembrolizumab (MK-3475) for Clinically Detectable Stage III-IV High-Risk Melanoma
A Phase II Randomized Study of Adjuvant Versus NeoAdjuvant Pembrolizumab (MK-3475) for Clinically Detectable Stage III-IV High-Risk Melanoma
Enrollment Status: Active_not_recruiting
Publish Date: December 05, 2025
Intervention Type: Procedure, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 2
Pazopanib Neoadjuvant Trial in Non-Rhabdomyosarcoma Soft Tissue Sarcomas (PAZNTIS): A Phase II/III Randomized Trial of Preoperative Chemoradiation or Preoperative Radiation Plus or Minus Pazopanib (NSC# 737754)
Pazopanib Neoadjuvant Trial in Non-Rhabdomyosarcoma Soft Tissue Sarcomas (PAZNTIS): A Phase II/III Randomized Trial of Preoperative Chemoradiation or Preoperative Radiation Plus or Minus Pazopanib (NSC# 737754)
Enrollment Status: Active_not_recruiting
Publish Date: December 01, 2025
Intervention Type: Drug, Radiation, Procedure
Study Drugs: Doxorubicin, Ifosfamide, Pazopanib
Study Phase: Phase 2/Phase 3
STAMP: Surgically Treated Adjuvant Merkel Cell Carcinoma With Pembrolizumab, a Phase III Trial
STAMP: Surgically Treated Adjuvant Merkel Cell Carcinoma With Pembrolizumab, a Phase III Trial
Enrollment Status: Active_not_recruiting
Publish Date: November 17, 2025
Intervention Type: Procedure, Other, Radiation, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 3
A Randomized Phase II Study of Anti-PD1 Antibody [MK-3475 (Pembrolizumab)] Alone Versus Anti-PD1 Antibody Plus Stereotactic Body Radiation Therapy in Advanced Merkel Cell Carcinoma
A Randomized Phase II Study of Anti-PD1 Antibody [MK-3475 (Pembrolizumab)] Alone Versus Anti-PD1 Antibody Plus Stereotactic Body Radiation Therapy in Advanced Merkel Cell Carcinoma
Enrollment Status: Active_not_recruiting
Publish Date: November 12, 2025
Intervention Type: Biological, Radiation
Study Drug: Pembrolizumab
Study Phase: Phase 2
A Randomized Phase III Trial of Memantine and Whole-Brain Radiotherapy With or Without Hippocampal Avoidance in Patients With Brain Metastases
A Randomized Phase III Trial of Memantine and Whole-Brain Radiotherapy With or Without Hippocampal Avoidance in Patients With Brain Metastases
Enrollment Status: Completed
Publish Date: April 23, 2025
Intervention Type: Radiation, Drug
Study Phase: Phase 3
View 6 Less Clinical Trials

30 Total Publications

ASO Visual Abstract: International Survey on Evidence for Index Lymph Node Surgery Following Neoadjuvant Systemic Therapy for Stage III Melanoma.
ASO Visual Abstract: International Survey on Evidence for Index Lymph Node Surgery Following Neoadjuvant Systemic Therapy for Stage III Melanoma.
Journal: Annals of surgical oncology
Published: January 23, 2026
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Frequently Asked Questions about Dr. Joshua Mammen

How do I make an appointment with Dr. Joshua Mammen?

You can book an appointment with Dr. Joshua Mammen by calling their office at 402-559-7298. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Joshua Mammen a top-rated expert for Merkel Cell Carcinoma?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Joshua Mammen is classified as an Distinguished expert for Merkel Cell Carcinoma, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Joshua Mammen specialize in?

While Dr. Joshua Mammen is a Surgical Oncology, they have specific expertise in Merkel Cell Carcinoma, Melanoma, and Eccrine Porocarcinoma. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Surgical Oncology.

Does Dr. Joshua Mammen participate in research or clinical trials?

Yes. Dr. Joshua Mammen has published 30 articles and abstracts on conditions like Merkel Cell Carcinoma. You can view a list of Dr. Joshua Mammen's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Joshua Mammen accept my insurance?

Dr. Joshua Mammen accepts most major insurance plans, including Aetna and Blue Cross Blue Shield. We recommend calling the office directly at 402-559-7298 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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