Expertise in
47
conditions

Dr. Margaret Block

Oncology
Nebraska Cancer Specialists
7500 Mercy Rd Ste 1300, 
Omaha, NE 
Accepting New Patients
50 Years of Experience
Expertise in
47
conditions
Nebraska Cancer Specialists
7500 Mercy Rd Ste 1300, 
Omaha, NE 

Overview

Margaret Block is an Oncologist practicing medicine in Omaha, Nebraska. She has been practicing medicine for over 50 years.

Dr. Block is highly rated in 47 conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, HER-2 Positive Breast Cancer, and Inflammatory Breast Cancer.

She is actively involved in clinical research, co-authoring 9 peer reviewed articles and participating in 15 clinical trials. Dr. Block is currently accepting new patients.

Graduate Institution

Albany Medical College Of Union University, 1976

Residency

Rush-Presbyterian - St Luke's, Internal Medicine

Specialties

Oncology

Licenses

Internal Medicine in NE

Fellowships

Rush-Presbyterian - St Luke's, Medical Oncology - 1980
University of Wisconsin Hospital & Clinic, Medical Oncology - 1981

Hospital Affiliations

The Nebraska Methodist Hospital
Chi Health Lakeside
Chi Health Bergan Mercy
Chi Health Midlands
Chi Health Immanuel

Languages Spoken

English

Gender

Female

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
HealthPartners
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
Oscar
  • EPO
  • HMO
  • PPO
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
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 15 Less Insurance Carriers -

Locations

Nebraska Cancer Specialists
7500 Mercy Rd Ste 1300, Omaha, NE 68124

Additional Areas of Focus

Dr. Block has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Metastatic Uveal Melanoma

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.

15 Clinical Trials

Randomized, Double-blind, Phase 3 Study of Tucatinib or Placebo in Combination With Ado-trastuzumab Emtansine (T-DM1) for Subjects With Unresectable Locally-advanced or Metastatic HER2+ Breast Cancer (HER2CLIMB-02)
Randomized, Double-blind, Phase 3 Study of Tucatinib or Placebo in Combination With Ado-trastuzumab Emtansine (T-DM1) for Subjects With Unresectable Locally-advanced or Metastatic HER2+ Breast Cancer (HER2CLIMB-02)
Enrollment Status: Active_not_recruiting
Publish Date: July 23, 2026
Intervention Type: Drug
Study Drugs: tucatinib, T-DM1
Study Phase: Phase 3
A Randomized, Double-blind, Phase 3 Study of Tucatinib or Placebo in Combination With Trastuzumab and Pertuzumab as Maintenance Therapy for Metastatic HER2+ Breast Cancer (HER2CLIMB-05)
A Randomized, Double-blind, Phase 3 Study of Tucatinib or Placebo in Combination With Trastuzumab and Pertuzumab as Maintenance Therapy for Metastatic HER2+ Breast Cancer (HER2CLIMB-05)
Enrollment Status: Active_not_recruiting
Publish Date: July 22, 2026
Intervention Type: Drug
Study Drugs: Tucatinib, Trastuzumab, Pertuzumab
Study Phase: Phase 3
A Phase 2 Study to Evaluate the Safety and Efficacy of Lerociclib in Participants With Advanced Breast Cancer
A Phase 2 Study to Evaluate the Safety and Efficacy of Lerociclib in Participants With Advanced Breast Cancer
Enrollment Status: Terminated
Publish Date: May 14, 2026
Intervention Type: Drug
Study Drugs: Lerociclib, Letrozole, Fulvestrant
Study Phase: Phase 2
A Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer
A Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: April 24, 2026
Intervention Type: Drug
Study Drugs: Abemaciclib, Standard Adjuvant Endocrine Therapy
Study Phase: Phase 3
A Single Arm, Open Label Phase 2 Study of Tucatinib in Combination With Trastuzumab Deruxtecan in Subjects With Previously Treated Unresectable Locally-Advanced or Metastatic HER2+ Breast Cancer
A Single Arm, Open Label Phase 2 Study of Tucatinib in Combination With Trastuzumab Deruxtecan in Subjects With Previously Treated Unresectable Locally-Advanced or Metastatic HER2+ Breast Cancer
Enrollment Status: Completed
Publish Date: March 23, 2026
Intervention Type: Drug
Study Drugs: tucatinib, trastuzumab deruxtecan
Study Phase: Phase 2
A Global, Phase 2 Study of ARX788 in HER2-positive Metastatic Breast Cancer Patients Who Were Previously Treated With T-DXd
A Global, Phase 2 Study of ARX788 in HER2-positive Metastatic Breast Cancer Patients Who Were Previously Treated With T-DXd
Enrollment Status: Active_not_recruiting
Publish Date: March 09, 2026
Intervention Type: Drug
Study Drug: ARX788
Study Phase: Phase 2
MONARCH 2: A Randomized, Double-Blind, Placebo-Controlled, Phase 3 Study of Fulvestrant With or Without Abemaciclib, a CDK4/6 Inhibitor, for Women With Hormone Receptor Positive, HER2 Negative Locally Advanced or Metastatic Breast Cancer
MONARCH 2: A Randomized, Double-Blind, Placebo-Controlled, Phase 3 Study of Fulvestrant With or Without Abemaciclib, a CDK4/6 Inhibitor, for Women With Hormone Receptor Positive, HER2 Negative Locally Advanced or Metastatic Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: October 21, 2025
Intervention Type: Drug
Study Drugs: Abemaciclib, Fulvestrant
Study Phase: Phase 3
A Phase II, Multicenter, Randomized, Open-label Study to Evaluate the Safety and Efficacy of 400 mg of Ribociclib in Combination With Non-steroidal Aromatase Inhibitors for the Treatment of Pre- and Postmenopausal Women With Hormone Receptor-positive, HER2-negative Advanced Breast Cancer Who Received no Prior Therapy for Advanced Disease
A Phase II, Multicenter, Randomized, Open-label Study to Evaluate the Safety and Efficacy of 400 mg of Ribociclib in Combination With Non-steroidal Aromatase Inhibitors for the Treatment of Pre- and Postmenopausal Women With Hormone Receptor-positive, HER2-negative Advanced Breast Cancer Who Received no Prior Therapy for Advanced Disease
Enrollment Status: Completed
Publish Date: October 16, 2025
Intervention Type: Drug
Study Drugs: Ribociclib, Letrozole or Anastrozole, Goserelin
Study Phase: Phase 2
eMonarcHER: A Randomized, Double Blind, Placebo-Controlled Phase 3 Study of Abemaciclib Plus Standard Adjuvant Endocrine Therapy in Participants With High-Risk, Node-Positive, HR+, HER2+ Early Breast Cancer Who Have Completed Adjuvant HER2-Targeted Therapy
eMonarcHER: A Randomized, Double Blind, Placebo-Controlled Phase 3 Study of Abemaciclib Plus Standard Adjuvant Endocrine Therapy in Participants With High-Risk, Node-Positive, HR+, HER2+ Early Breast Cancer Who Have Completed Adjuvant HER2-Targeted Therapy
Enrollment Status: Terminated
Publish Date: July 15, 2025
Intervention Type: Drug
Study Drugs: Abemaciclib, Standard Adjuvant Endocrine Therapy
Study Phase: Phase 3
COMPLEEMENT-1: An Open-label, Multicenter, Phase IIIb Study to Assess the Safety and Efficacy of Ribociclib (LEE011) in Combination With Letrozole for the Treatment of Men and Pre/Postmenopausal Women With Hormone Receptor-positive (HR+) HER2-negative (HER2-) Advanced Breast Cancer (aBC) With no Prior Hormonal Therapy for Advanced Disease
COMPLEEMENT-1: An Open-label, Multicenter, Phase IIIb Study to Assess the Safety and Efficacy of Ribociclib (LEE011) in Combination With Letrozole for the Treatment of Men and Pre/Postmenopausal Women With Hormone Receptor-positive (HR+) HER2-negative (HER2-) Advanced Breast Cancer (aBC) With no Prior Hormonal Therapy for Advanced Disease
Enrollment Status: Completed
Publish Date: October 24, 2023
Intervention Type: Drug
Study Drugs: Ribociclib, Letrozole, Goserelin, Leuprolide
Study Phase: Phase 3
View 9 Less Clinical Trials

9 Total Publications

Impact of Race, Socioeconomic Status, and Clinicopathologic Features on Clinical Outcomes in Triple-Negative Breast Cancer in the ECOG-ACRIN EA1131 Trial.
Impact of Race, Socioeconomic Status, and Clinicopathologic Features on Clinical Outcomes in Triple-Negative Breast Cancer in the ECOG-ACRIN EA1131 Trial.
Journal: JCO oncology advances
Published: May 18, 2026
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Frequently Asked Questions about Dr. Margaret Block

Is Dr. Margaret Block a top-rated expert for Breast Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Margaret Block is classified as an Distinguished expert for Breast Cancer, 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. Margaret Block specialize in?

While Dr. Margaret Block is a Oncology, they have specific expertise in Breast Cancer, Paget Disease of the Breast, and HER-2 Positive Breast Cancer. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Oncology.

Does Dr. Margaret Block participate in research or clinical trials?

Yes. Dr. Margaret Block has published 9 articles and abstracts on conditions like Breast Cancer. You can view a list of Dr. Margaret Block's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Margaret Block accept my insurance?

Dr. Margaret Block accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly 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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