Expertise in
29
conditions

Dr. Hassan I. Tahsildar

Oncology
Oconto Hospital And Medical Center Inc
2820 Roosevelt Rd, 
Marinette, WI 
Clinical Trials:Currently Recruiting for 4 Trials
Accepting New Patients
Expertise in
29
conditions
Oconto Hospital And Medical Center Inc
2820 Roosevelt Rd, 
Marinette, WI 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Hassan Tahsildar is an Oncologist in Marinette, Wisconsin. Dr. Tahsildar is highly rated in 29 conditions, according to our data. His top areas of expertise are Small Lymphocytic Lymphoma (SLL), Small Cell Lung Cancer (SCLC), Lung Cancer, Chronic Lymphocytic Leukemia (CLL), and Endoscopy. Dr. Tahsildar is currently accepting new patients.

His clinical research consists of participating in 30 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties
Oncology
Licenses
Internal Medicine in WI
Hospital Affiliations
Bellin Memorial Hospital
Bellin Health Oconto Hospital
Languages Spoken
English
Gender
Male

Insurance

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Aspirus Arise Health
  • HMO
  • POS
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareSource
  • HMO
Children's Community Health
  • EPO
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Common Ground Healthcare
  • OTHER COMMERCIAL
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
Health Net

Accepted plan types not found. Please verify directly with the provider.

HealthPartners
  • POS
  • PPO
Highmark
  • EPO
  • HMO
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Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Icare Independent Care Health Plan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
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  • STATE MEDICAID
Network Health
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TeamCare
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UnitedHealthcare
  • EPO
  • HMO
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UPMC
  • EPO
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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
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Locations

OCONTO HOSPITAL AND MEDICAL CENTER INC
2820 Roosevelt Rd, Marinette, WI 54143

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.

30 Clinical Trials

Integration of Immunotherapy Into Adjuvant Therapy for Resected NSCLC: ALCHEMIST Chemo-IO (ACCIO)
Integration of Immunotherapy Into Adjuvant Therapy for Resected NSCLC: ALCHEMIST Chemo-IO (ACCIO)
Enrollment Status: Recruiting
Publish Date: October 15, 2025
Intervention Type: Procedure, Drug, Other, Biological
Study Drugs: Carboplatin, Cisplatin, Gemcitabine Hydrochloride, Paclitaxel, Pembrolizumab, Pemetrexed Disodium
Study Phase: Phase 3
Randomized Phase II/III Study of Nivolumab Plus Ipilimumab Plus Sargramostim Versus Nivolumab Plus Ipilimumab in Patients With Unresectable Stage III or Stage IV Melanoma
Randomized Phase II/III Study of Nivolumab Plus Ipilimumab Plus Sargramostim Versus Nivolumab Plus Ipilimumab in Patients With Unresectable Stage III or Stage IV Melanoma
Enrollment Status: Recruiting
Publish Date: October 15, 2025
Intervention Type: Procedure, Biological
Study Drugs: Ipilimumab, Nivolumab, Sargramostim
Study Phase: Phase 2/Phase 3
Prospective Observational Cohort Study of Patients With Metastatic HER-2+ Breast Cancer at Risk of Cardiac Toxicity
Prospective Observational Cohort Study of Patients With Metastatic HER-2+ Breast Cancer at Risk of Cardiac Toxicity
Enrollment Status: Recruiting
Publish Date: October 08, 2025
Intervention Type: Other, Drug
Study Drug: Carvedilol
Study Phase: Phase 3
TAILOR RT: A Randomized Trial of Regional Radiotherapy in Biomarker Low-Risk Node Positive and T3N0 Breast Cancer
TAILOR RT: A Randomized Trial of Regional Radiotherapy in Biomarker Low-Risk Node Positive and T3N0 Breast Cancer
Enrollment Status: Recruiting
Publish Date: September 10, 2025
Intervention Type: Radiation, Other
Study Phase: Phase 3
Phase II Randomized Study of Maintenance Atezolizumab Versus Atezolizumab in Combination With Talazoparib in Patients With SLFN11 Positive Extensive Stage Small Cell Lung Cancer (ES-SCLC)
Phase II Randomized Study of Maintenance Atezolizumab Versus Atezolizumab in Combination With Talazoparib in Patients With SLFN11 Positive Extensive Stage Small Cell Lung Cancer (ES-SCLC)
Enrollment Status: Active_not_recruiting
Publish Date: October 14, 2025
Intervention Type: Procedure, Drug
Study Drugs: Atezolizumab, Talazoparib
Study Phase: Phase 2
A Phase II/III Study of Peri-Operative Nivolumab and Ipilimumab in Patients With Locoregional Esophageal and Gastroesophageal Junction Adenocarcinoma
A Phase II/III Study of Peri-Operative Nivolumab and Ipilimumab in Patients With Locoregional Esophageal and Gastroesophageal Junction Adenocarcinoma
Enrollment Status: Suspended
Publish Date: October 10, 2025
Intervention Type: Biological, Drug, Procedure, Radiation
Study Drugs: Carboplatin, Ipilimumab, Nivolumab, Paclitaxel
Study Phase: Phase 2/Phase 3
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Enrollment Status: Active_not_recruiting
Publish Date: October 09, 2025
Intervention Type: Other, Biological, Procedure
Study Drug: Pembrolizumab
Study Phase: Phase 3
A Phase II-R and a Phase III Trial Evaluating Both Erlotinib (Ph II-R) and Chemoradiation (Ph III) as Adjuvant Treatment for Patients With Resected Head of Pancreas Adenocarcinoma
A Phase II-R and a Phase III Trial Evaluating Both Erlotinib (Ph II-R) and Chemoradiation (Ph III) as Adjuvant Treatment for Patients With Resected Head of Pancreas Adenocarcinoma
Enrollment Status: Completed
Publish Date: October 08, 2025
Intervention Type: Other, Procedure, Drug, Radiation
Study Drugs: Capecitabine, Chemotherapy, Erlotinib hydrochloride, Fluorouracil, Gemcitabine hydrochloride
Study Phase: Phase 3
Adjuvant Lung Cancer Enrichment Marker Identification and Sequencing Trial (ALCHEMIST)
Adjuvant Lung Cancer Enrichment Marker Identification and Sequencing Trial (ALCHEMIST)
Enrollment Status: Active_not_recruiting
Publish Date: October 06, 2025
Intervention Type: Other, Procedure, Biological, Drug
Study Phase: Not Applicable
PD-Inhibitor (Nivolumab) and Ipilimumab Followed by Nivolumab Vs. VEGF TKI Cabozantinib With Nivolumab: A Phase III Trial in Metastatic Untreated REnal Cell CancEr [PDIGREE]
PD-Inhibitor (Nivolumab) and Ipilimumab Followed by Nivolumab Vs. VEGF TKI Cabozantinib With Nivolumab: A Phase III Trial in Metastatic Untreated REnal Cell CancEr [PDIGREE]
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Other, Procedure, Drug, Biological
Study Drugs: Cabozantinib, Ipilimumab, Nivolumab
Study Phase: Phase 3
A Randomized Phase III Study of Nivolumab After Combined Modality Therapy (CMT) in High Risk Anal Cancer
A Randomized Phase III Study of Nivolumab After Combined Modality Therapy (CMT) in High Risk Anal Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Procedure, Biological, Other
Study Drug: Nivolumab
Study Phase: Phase 3
A Randomized Phase III Study of the Addition of Venetoclax to Ibrutinib and Obinutuzumab Versus Ibrutinib and Obinutuzumab in Untreated Younger Patients With Chronic Lymphocytic Leukemia (CLL)
A Randomized Phase III Study of the Addition of Venetoclax to Ibrutinib and Obinutuzumab Versus Ibrutinib and Obinutuzumab in Untreated Younger Patients With Chronic Lymphocytic Leukemia (CLL)
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Other, Procedure, Drug, Biological
Study Drugs: Ibrutinib, Obinutuzumab, Venetoclax
Study Phase: Phase 3
A Randomized Phase II Trial of Ipilimumab With or Without Bevacizumab in Patients With Unresectable Stage III or Stage IV Melanoma
A Randomized Phase II Trial of Ipilimumab With or Without Bevacizumab in Patients With Unresectable Stage III or Stage IV Melanoma
Enrollment Status: Active_not_recruiting
Publish Date: September 22, 2025
Intervention Type: Biological
Study Drugs: Bevacizumab, Ipilimumab
Study Phase: Phase 2
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: September 22, 2025
Intervention Type: Procedure, Other, Radiation, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 3
DREAMseq (Doublet, Randomized Evaluation in Advanced Melanoma Sequencing) a Phase III Trial
DREAMseq (Doublet, Randomized Evaluation in Advanced Melanoma Sequencing) a Phase III Trial
Enrollment Status: Active_not_recruiting
Publish Date: September 16, 2025
Intervention Type: Other, Procedure, Biological, Drug
Study Drugs: Dabrafenib Mesylate, Ipilimumab, Nivolumab, Trametinib Dimethyl Sulfoxide
Study Phase: Phase 3
S1803, Phase III Study of Daratumumab/rHuPH20 (NSC-810307) + Lenalidomide or Lenalidomide as Post-Autologous Stem Cell Transplant Maintenance Therapy in Patients With Multiple Myeloma (MM) Using Minimal Residual Disease to Direct Therapy Duration (DRAMMATIC Study)
S1803, Phase III Study of Daratumumab/rHuPH20 (NSC-810307) + Lenalidomide or Lenalidomide as Post-Autologous Stem Cell Transplant Maintenance Therapy in Patients With Multiple Myeloma (MM) Using Minimal Residual Disease to Direct Therapy Duration (DRAMMATIC Study)
Enrollment Status: Active_not_recruiting
Publish Date: September 15, 2025
Intervention Type: Drug
Study Drugs: Lenalidomide, Daratumumab/rHuPH20
Study Phase: Phase 3
A Randomized Phase III Trial of Endocrine Therapy Plus Entinostat/Placebo in Patients With Hormone Receptor-Positive Advanced Breast Cancer
A Randomized Phase III Trial of Endocrine Therapy Plus Entinostat/Placebo in Patients With Hormone Receptor-Positive Advanced Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 15, 2025
Intervention Type: Other, Procedure, Drug
Study Drugs: Entinostat, Exemestane, Goserelin, Goserelin Acetate
Study Phase: Phase 3
Randomized Phase III Trial of Bortezomib, Lenalidomide, and Dexamethasone (VRd) Versus Carfilzomib, Lenalidomide, and Dexamethasone (CRd) Followed by Limited or Indefinite Duration Lenalidomide Maintenance in Patients With Newly Diagnosed Symptomatic Multiple Myeloma (ENDURANCE)
Randomized Phase III Trial of Bortezomib, Lenalidomide, and Dexamethasone (VRd) Versus Carfilzomib, Lenalidomide, and Dexamethasone (CRd) Followed by Limited or Indefinite Duration Lenalidomide Maintenance in Patients With Newly Diagnosed Symptomatic Multiple Myeloma (ENDURANCE)
Enrollment Status: Active_not_recruiting
Publish Date: September 08, 2025
Intervention Type: Other, Drug
Study Drugs: Bortezomib, Carfilzomib, Dexamethasone, Lenalidomide
Study Phase: Phase 3
Colorectal Cancer Metastatic dMMR/MSI-H Immuno-Therapy (COMMIT) Study: A Randomized Phase III Study of mFOLFOX6/Bevacizumab/Atezolizumab Combination Versus Single Agent Atezolizumab in the First-Line Treatment of Patients With Deficient DNA Mismatch Repair (dMMR)/Microsatellite Instability-High (MSI-H) Metastatic Colorectal Cancer
Colorectal Cancer Metastatic dMMR/MSI-H Immuno-Therapy (COMMIT) Study: A Randomized Phase III Study of mFOLFOX6/Bevacizumab/Atezolizumab Combination Versus Single Agent Atezolizumab in the First-Line Treatment of Patients With Deficient DNA Mismatch Repair (dMMR)/Microsatellite Instability-High (MSI-H) Metastatic Colorectal Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 05, 2025
Intervention Type: Other, Procedure, Drug, Biological
Study Phase: Phase 3
A Randomized Phase III Trial of Induction/Consolidation Atezolizumab (NSC #783608) + SBRT Versus SBRT Alone in High Risk, Early Stage NSCLC
A Randomized Phase III Trial of Induction/Consolidation Atezolizumab (NSC #783608) + SBRT Versus SBRT Alone in High Risk, Early Stage NSCLC
Enrollment Status: Active_not_recruiting
Publish Date: September 03, 2025
Intervention Type: Other, Drug, Procedure, Radiation
Study Drug: Atezolizumab
Study Phase: Phase 3
Phase III Randomized Trial of Concurrent Chemoradiotherapy With or Without Atezolizumab in Localized Muscle Invasive Bladder Cancer
Phase III Randomized Trial of Concurrent Chemoradiotherapy With or Without Atezolizumab in Localized Muscle Invasive Bladder Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 03, 2025
Intervention Type: Other, Procedure, Drug, Radiation
Study Drugs: Atezolizumab, Cisplatin, Fluorouracil, Gemcitabine, Mitomycin C
Study Phase: Phase 3
Limited Stage Small Cell Lung Cancer (LS-SCLC): A Phase III Randomized Study of Chemoradiation Versus Chemoradiation Plus Atezolizumab
Limited Stage Small Cell Lung Cancer (LS-SCLC): A Phase III Randomized Study of Chemoradiation Versus Chemoradiation Plus Atezolizumab
Enrollment Status: Active_not_recruiting
Publish Date: September 02, 2025
Intervention Type: Other, Drug, Radiation, Procedure
Study Drugs: Atezolizumab, Carboplatin, Cisplatin, Etoposide
Study Phase: Phase 3
Randomized Phase II Clinical Trial of Cisplatin/Carboplatin and Etoposide (CE) Alone or in Combination With Nivolumab as Frontline Therapy for Extensive Stage Small Cell Lung Cancer (ED-SCLC)
Randomized Phase II Clinical Trial of Cisplatin/Carboplatin and Etoposide (CE) Alone or in Combination With Nivolumab as Frontline Therapy for Extensive Stage Small Cell Lung Cancer (ED-SCLC)
Enrollment Status: Completed
Publish Date: July 03, 2025
Intervention Type: Drug, Biological
Study Drugs: Carboplatin, Cisplatin, Etoposide, Nivolumab
Study Phase: Phase 2
A Phase III Randomized Trial of Gemcitabine, Cisplatin, and Nab-Paclitaxel Versus Gemcitabine and Cisplatin in Newly Diagnosed, Advanced Biliary Tract Cancers
A Phase III Randomized Trial of Gemcitabine, Cisplatin, and Nab-Paclitaxel Versus Gemcitabine and Cisplatin in Newly Diagnosed, Advanced Biliary Tract Cancers
Enrollment Status: Completed
Publish Date: June 11, 2025
Intervention Type: Drug
Study Drugs: Cisplatin, Gemcitabine, Nab-Paclitaxel
Study Phase: Phase 3
Phase II/III Study of Circulating Tumor DNA as a Predictive Biomarker in Adjuvant Chemotherapy in Patients With Stage IIA Colon Cancer (COBRA)
Phase II/III Study of Circulating Tumor DNA as a Predictive Biomarker in Adjuvant Chemotherapy in Patients With Stage IIA Colon Cancer (COBRA)
Enrollment Status: Active_not_recruiting
Publish Date: May 07, 2025
Intervention Type: Drug, Other
Study Drugs: Capecitabine, 5-Fluorouracil, Leucovorin, Oxaliplatin
Study Phase: Phase 2/Phase 3
Randomized Double-Blind Phase III Trial of Vitamin D3 Supplementation in Patients with Previously Untreated Metastatic Colorectal Cancer (SOLARIS)
Randomized Double-Blind Phase III Trial of Vitamin D3 Supplementation in Patients with Previously Untreated Metastatic Colorectal Cancer (SOLARIS)
Enrollment Status: Active_not_recruiting
Publish Date: January 13, 2025
Intervention Type: Other, Dietary supplement, Drug
Study Drugs: Bevacizumab, Oxaliplatin, Leucovorin calcium, Fluorouracil, Irinotecan hydrochloride, Irinotecan
Study Phase: Phase 3
Randomized Phase III Trial Evaluating the Role of Weight Loss in Adjuvant Treatment of Overweight and Obese Women with Early Breast Cancer
Randomized Phase III Trial Evaluating the Role of Weight Loss in Adjuvant Treatment of Overweight and Obese Women with Early Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: January 13, 2025
Intervention Type: Other
Study Phase: Phase 3
Phase III Randomized, Placebo-Controlled Clinical Trial Evaluating the Use of Adjuvant Endocrine Therapy +/- One Year of Everolimus in Patients With High-Risk, Hormone Receptor-Positive and HER2/Neu Negative Breast Cancer
Phase III Randomized, Placebo-Controlled Clinical Trial Evaluating the Use of Adjuvant Endocrine Therapy +/- One Year of Everolimus in Patients With High-Risk, Hormone Receptor-Positive and HER2/Neu Negative Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: December 27, 2024
Intervention Type: Drug, Other
Study Drugs: Anastrozole, Everolimus, Exemestane, Goserelin Acetate, Letrozole, Leuprolide Acetate, Tamoxifen Citrate
Study Phase: Phase 3
A Randomized Phase III Double Blinded Placebo Controlled Trial of Aspirin as Adjuvant Therapy for HER2 Negative Breast Cancer: The ABC Trial
A Randomized Phase III Double Blinded Placebo Controlled Trial of Aspirin as Adjuvant Therapy for HER2 Negative Breast Cancer: The ABC Trial
Enrollment Status: Terminated
Publish Date: April 05, 2023
Intervention Type: Other, Drug
Study Drug: Aspirin
Study Phase: Phase 3
A Randomized Phase II Study of Perioperative mFOLFIRINOX Versus Gemcitabine/Nab-Paclitaxel as Therapy for Resectable Pancreatic Adenocarcinoma
A Randomized Phase II Study of Perioperative mFOLFIRINOX Versus Gemcitabine/Nab-Paclitaxel as Therapy for Resectable Pancreatic Adenocarcinoma
Enrollment Status: Completed
Publish Date: October 19, 2022
Intervention Type: Drug, Procedure
Study Drugs: Fluorouracil, Gemcitabine hydrochloride, Irinotecan hydrochloride, Oxaliplatin, Paclitaxel albumin-stabilized nanoparticle formulation
Study Phase: Phase 2
View 26 Less Clinical Trials
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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.

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