Expertise in
6
conditions

Dr. Marwan Massouh

Hematology
Scl Health Mt-St. James Healthcare
400 S Clark St, 
Butte, MT 
44 Years of Experience
Expertise in
6
conditions
Scl Health Mt-St. James Healthcare
400 S Clark St, 
Butte, MT 

Overview

Marwan Massouh is a Hematologist practicing medicine in Butte, Montana. He has been practicing medicine for over 44 years.

Dr. Massouh is highly rated in 6 conditions, according to our data. His clinical expertise encompasses Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Myelodysplastic Syndrome (MDS), and Hemangioma Thrombocytopenia Syndrome.

He is actively involved in clinical research, participating in 12 clinical trials.

Graduate Year

1982

Specialties

Hematology

Licenses

Internal Medicine in OH

Hospital Affiliations

Fisher-Titus Hospital
Firelands Regional Medical Center
St James Hospital
Deer Lodge Medical Center
Barrett Hospital & Healthcare

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
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
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Mountain Health
  • OTHER COMMERCIAL
  • POS
  • PPO
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
PacificSource
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
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
View 11 Less Insurance Carriers -

Locations

Scl Health Mt-St. James Healthcare
400 S Clark St, Butte, MT 59701

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.

12 Clinical Trials

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: August 27, 2026
Intervention Type: Other, Drug, Radiation, Procedure
Study Drugs: Atezolizumab, Carboplatin, Cisplatin, Etoposide
Study Phase: Phase 3
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: August 04, 2026
Intervention Type: Procedure, Biological
Study Drug: Pembrolizumab
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: August 04, 2026
Intervention Type: Procedure, Other, Radiation, Biological
Study Drug: Pembrolizumab
Study Phase: Phase 3
Randomized Study of Erlotinib Vs Observation in Patients With Completely Resected Epidermal Growth Factor Receptor (EGFR) Mutant Non-Small Cell Lung Cancer (NSCLC)
Randomized Study of Erlotinib Vs Observation in Patients With Completely Resected Epidermal Growth Factor Receptor (EGFR) Mutant Non-Small Cell Lung Cancer (NSCLC)
Enrollment Status: Active_not_recruiting
Publish Date: July 02, 2026
Intervention Type: Other, Drug
Study Drug: Erlotinib Hydrochloride
Study Phase: Phase 3
Randomized Phase II/III Trial of Radiation With Cisplatin at 100 mg/m2 Every Three Weeks Versus Radiation With Weekly Cisplatin at 40 mg/m2 for Patients With Locoregionally Advanced Squamous Cell Carcinoma of the Head and Neck (SCCHN)
Randomized Phase II/III Trial of Radiation With Cisplatin at 100 mg/m2 Every Three Weeks Versus Radiation With Weekly Cisplatin at 40 mg/m2 for Patients With Locoregionally Advanced Squamous Cell Carcinoma of the Head and Neck (SCCHN)
Enrollment Status: Suspended
Publish Date: June 25, 2026
Intervention Type: Other, Procedure, Drug, Radiation
Study Drug: Cisplatin
Study Phase: Phase 2/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: June 11, 2026
Intervention Type: Other, Drug, Procedure, Radiation
Study Drug: Atezolizumab
Study Phase: Phase 3
Maintenance Systemic Therapy Versus Local Consolidative Therapy (LCT) Plus Maintenance Systemic Therapy for Limited Metastatic Non-Small Cell Lung Cancer (NSCLC): A Randomized Phase II/III Trial
Maintenance Systemic Therapy Versus Local Consolidative Therapy (LCT) Plus Maintenance Systemic Therapy for Limited Metastatic Non-Small Cell Lung Cancer (NSCLC): A Randomized Phase II/III Trial
Enrollment Status: Active_not_recruiting
Publish Date: June 08, 2026
Intervention Type: Radiation, Drug
Study Drugs: Docetaxel, Gemcitabine, Pemetrexed Disodium, Erlotinib Hydrochloride, Pembrolizumab
Study Phase: Phase 2
A Randomized, Double-Blind, Phase III Trial of Taxane/Trastuzumab/Pertuzumab With Atezolizumab or Placebo in First-Line HER2-Positive Metastatic Breast Cancer
A Randomized, Double-Blind, Phase III Trial of Taxane/Trastuzumab/Pertuzumab With Atezolizumab or Placebo in First-Line HER2-Positive Metastatic Breast Cancer
Enrollment Status: Terminated
Publish Date: May 29, 2026
Intervention Type: Other, Procedure, Biological, Drug
Study Drugs: Atezolizumab, Paclitaxel, Pertuzumab, Trastuzumab
Study Phase: Phase 3
A Randomized Phase II/III Open-Label Study of Ipilimumab and Nivolumab Versus Temozolomide in Patients With Newly Diagnosed MGMT (Tumor O-6-Methylguanine DNA Methyltransferase) Unmethylated Glioblastoma
A Randomized Phase II/III Open-Label Study of Ipilimumab and Nivolumab Versus Temozolomide in Patients With Newly Diagnosed MGMT (Tumor O-6-Methylguanine DNA Methyltransferase) Unmethylated Glioblastoma
Enrollment Status: Completed
Publish Date: April 22, 2026
Intervention Type: Other, Biological, Procedure, Drug, Radiation, Device
Study Drugs: Ipilimumab, Nivolumab, Temozolomide
Study Phase: Phase 2/Phase 3
S1613, A Randomized Phase II Study of Trastuzumab and Pertuzumab (TP) Compared to Cetuximab and Irinotecan (CETIRI) in Advanced/Metastatic Colorectal Cancer (mCRC) With HER-2 Amplification
S1613, A Randomized Phase II Study of Trastuzumab and Pertuzumab (TP) Compared to Cetuximab and Irinotecan (CETIRI) in Advanced/Metastatic Colorectal Cancer (mCRC) With HER-2 Amplification
Enrollment Status: Completed
Publish Date: February 10, 2026
Intervention Type: Device, Biological, Other, Drug
Study Drugs: Cetuximab, Irinotecan, Pertuzumab, Trastuzumab
Study Phase: Phase 2
View 9 Less Clinical Trials
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Referral may be required

St. Peter's Health

2475 E Broadway St, 
Helena, MT 
 (47.5 miles away)
406-447-2828
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

Elizabeth Bigger is a Hematologist practicing medicine in Helena, Montana. Dr. Bigger is highly rated in 3 conditions, according to our data. Her clinical expertise encompasses Large-Cell Immunoblastic Lymphoma, Multiple Myeloma, Diffuse Large B-Cell Lymphoma (DLBCL), Smoldering Multiple Myeloma, and Bone Marrow Aspiration. Dr. Bigger is currently accepting new patients.

Frequently Asked Questions about Dr. Marwan Massouh

How do I make an appointment with Dr. Marwan Massouh?

You can book an appointment with Dr. Marwan Massouh by calling their office at 406-723-2999. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Marwan Massouh a top-rated expert for Adult Immune Thrombocytopenia?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Marwan Massouh is classified as an Advanced expert for Adult Immune Thrombocytopenia, 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. Marwan Massouh specialize in?

While Dr. Marwan Massouh is a Hematology, they have specific expertise in Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), and Myelodysplastic Syndrome (MDS). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology.

Does Dr. Marwan Massouh accept my insurance?

Dr. Marwan Massouh accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 406-723-2999 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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