Alex G. Sieg

Dr. Alex G. Sieg

Hematology Oncology
MercyOne Clinton Specialty Care
1410 N. 4th St., 
Clinton, IA 
Accepting New Patients
Offers Telehealth
MercyOne Clinton Specialty Care
1410 N. 4th St., 
Clinton, IA 

Overview

Alex Sieg is a Hematologist Oncology provider practicing medicine in Clinton, Iowa.

His clinical expertise encompasses Angiosarcoma, Anemia, Chronic Familial Neutropenia, and Agranulocytosis.

He is actively involved in clinical research, co-authoring 4 peer reviewed articles. Dr. Sieg is currently accepting new patients.

Graduate Institution

University Of Iowa|University Of Indiana Harvard

Specialties

Hematology Oncology

Licenses

Internal Medicine in IA

Hospital Affiliations

Mercyone Clinton Medical Center
Mercyone Genesis Dewitt Medical Center
Genesis Medical Center-Davenport
Genesis Hlth System Dba Genesis Mdl Ctr-Illini
Jackson County Regional Health Center

Languages Spoken

English

Gender

Male

Insurance

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

Find your insurance
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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
Celtic
  • HMO
  • INSURANCE PLAN
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Alliance
  • EPO
  • HMO
  • POS
  • 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
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medical Associates
  • MEDICARE MAPD
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • 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
View 16 Less Insurance Carriers -

Locations

MercyOne Clinton Specialty Care
1410 N. 4th St., Clinton, IA 52732
Other Locations
MercyOne Genesis Davenport Cancer Center
1401 W. Central Park Ave., Davenport, IA 52804

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.

4 Total Publications

Comparison of Fludarabine Versus Bendamustine as a Lymphodepleting Chemotherapy Prior to CAR-T for Large Cell Lymphoma.
Comparison of Fludarabine Versus Bendamustine as a Lymphodepleting Chemotherapy Prior to CAR-T for Large Cell Lymphoma.
Journal: Transplantation and cellular therapy
Published: January 14, 2026
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1401 W. Central Park Ave., 
Davenport, IA 
 (30.3 miles away)
563-421-1900
Languages Spoken:
English
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Accepting New Patients

Michael Porubcin, MD, is an Oncologist & Internal Medicine provider at the Genesis Cancer Center in Davenport, IA, and Silvis, IL. Dr. Porubcin is highly rated in 78 conditions, according to our data. His clinical expertise encompasses Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), Inflammatory Breast Cancer, and Non-Hodgkin Lymphoma. Dr. Porubcin is board certified in ABIM Certified. Dr. Porubcin is currently accepting new patients.

Frequently Asked Questions about Dr. Alex G. Sieg

How do I make an appointment with Dr. Alex G. Sieg?

You can book an appointment with Dr. Alex G. Sieg by calling their office at 563-244-5900. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Alex G. Sieg a top-rated expert for Angiosarcoma?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Alex G. Sieg is classified as an Experienced expert for Angiosarcoma, 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. Alex G. Sieg specialize in?

While Dr. Alex G. Sieg is a Hematology Oncology, they have specific expertise in Angiosarcoma, Anemia, and Chronic Familial Neutropenia. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology Oncology.

Does Dr. Alex G. Sieg participate in research or clinical trials?

Yes. Dr. Alex G. Sieg has published 4 articles and abstracts on conditions like Angiosarcoma. You can view a list of Dr. Alex G. Sieg's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Alex G. Sieg accept my insurance?

Dr. Alex G. Sieg accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 563-244-5900 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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