Expertise in
48
conditions

Dr. Stephen H. Dyar

Oncology | Hematology
Upstate Oncology Associates - St. Francis
317 Saint Francis Drive, Suite 340, 
Greenville, SC 
Clinical Trials:Currently Recruiting for 1 Trial
Accepting New Patients
Expertise in
48
conditions
Upstate Oncology Associates - St. Francis
317 Saint Francis Drive, Suite 340, 
Greenville, SC 

Overview

While I care for patients with all types of cancers and blood disorders, I have a special interest in treatment of breast cancer and cancer of the genitourinary system, including kidney, prostate, and bladder cancer. Outside of clinic, I enjoy singing in my church choir, playing golf, watching college football, and spending time with my wife and two children.

Dr. Dyar is highly rated in 48 conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Angiosarcoma, Inflammatory Breast Cancer, Breast Cancer, and Bone Marrow Aspiration.

Dr. Dyar is board certified in (Internal Medicine, Medical Oncology), (Internal Medicine, Hematology), (Internal Medicine), and American Board Of Internal Medicine. He is actively involved in clinical research, co-authoring 3 peer reviewed articles and participating in 2 clinical trials. Dr. Dyar is currently accepting new patients.

Specialties

Oncology
Hematology

Licenses

Internal Medicine in NC

Board Certifications

(Internal Medicine, Medical Oncology)
(Internal Medicine, Hematology)
(Internal Medicine)
American Board Of Internal Medicine

Fellowships

Mayo Clinic Rochester, Hematology & Oncology - 2012

Hospital Affiliations

Bon Secours St. Francis
St Francis-Downtown

Languages Spoken

English

Gender

Male

Insurance

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

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Absolute Total Care South Carolina
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE-MEDICAID PLAN
Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Bright Health

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

Cigna
  • EPO
  • HMO
  • PPO
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Eon Health
  • OTHER MEDICARE PART D
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
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MetLife
  • 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 15 Less Insurance Carriers -

Locations

Upstate Oncology Associates - St. Francis
317 Saint Francis Drive, Suite 340, Greenville, SC 29601
Other Locations
Bon Secours Hematology & Oncology
104 Innovation Drive, Suite 2100, Greenville, SC 29607

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.

2 Clinical Trials

A Prospective Registry Study to Evaluate the Effect of the DCISionRT Test on Treatment Decisions in Patients With DCIS Following Breast Conserving Therapy
A Prospective Registry Study to Evaluate the Effect of the DCISionRT Test on Treatment Decisions in Patients With DCIS Following Breast Conserving Therapy
Enrollment Status: Recruiting
Publish Date: April 17, 2026
Intervention Type: Other, Device
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
View 1 Less Clinical Trial

3 Total Publications

Soluble human epidermal growth factor receptor 2 (HER2) levels in patients with HER2-positive breast cancer receiving chemotherapy with or without trastuzumab: results from North Central Cancer Treatment Group adjuvant trial N9831.
Soluble human epidermal growth factor receptor 2 (HER2) levels in patients with HER2-positive breast cancer receiving chemotherapy with or without trastuzumab: results from North Central Cancer Treatment Group adjuvant trial N9831.
Journal: Cancer
Published: June 15, 2012
Similar Doctors
Expertise in
33
conditions
Dr. Jeffrey K. Giguere
Hematology | Oncology
Expertise in
33
conditions
Dr. Jeffrey K. Giguere
Hematology | Oncology
Referral may be required

Office

300 E McBee Ave, 
Greenville, SC 
 (1.4 miles away)
864-699-5700
Languages Spoken:
English

Jeffrey Giguere is a Hematologist and an Oncologist practicing medicine in Greenville, South Carolina. Dr. Giguere is highly rated in 33 conditions, according to our data. His clinical expertise encompasses Breast Cancer, Myelodysplastic Syndrome (MDS), Lung Cancer, Colorectal Cancer, and Bone Marrow Aspiration.

Expertise in
31
conditions
Dr. Mark A. O'rourke
Hematology | Oncology
Expertise in
31
conditions
Dr. Mark A. O'rourke
Hematology | Oncology
Referral may be required

Prisma Health-Upstate

65 International Dr, 
Greenville, SC 
 (5.7 miles away)
864-987-7000
Languages Spoken:
English
See accepted insurances

Mark O'rourke is a Hematologist and an Oncologist practicing medicine in Greenville, South Carolina. Dr. O'rourke is highly rated in 31 conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Pancreatic Cancer, Familial Pancreatic Cancer, and Undifferentiated Pleomorphic Sarcoma.

Expertise in
17
conditions
Dr. Kim O. Gococo
Hematology | Oncology
Expertise in
17
conditions
Dr. Kim O. Gococo
Hematology | Oncology
Referral may be required

Prisma Health-Upstate

65 International Dr, 
Greenville, SC 
 (5.7 miles away)
864-987-7000
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Kim Gococo is a Hematologist and an Oncologist practicing medicine in Greenville, South Carolina. Dr. Gococo is highly rated in 17 conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Inflammatory Breast Cancer. Dr. Gococo is currently accepting new patients.

Frequently Asked Questions about Dr. Stephen H. Dyar

How do I make an appointment with Dr. Stephen H. Dyar?

You can book an appointment with Dr. Stephen H. Dyar by calling their office at 864-603-6300. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Stephen H. Dyar a top-rated expert for Paget Disease of the Breast?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Stephen H. Dyar is classified as an Distinguished expert for Paget Disease of the Breast, 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. Stephen H. Dyar specialize in?

While Dr. Stephen H. Dyar is a Oncology, they have specific expertise in Paget Disease of the Breast, Angiosarcoma, and Inflammatory Breast Cancer. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Oncology.

Does Dr. Stephen H. Dyar participate in research or clinical trials?

Yes. Dr. Stephen H. Dyar has published 3 articles and abstracts on conditions like Paget Disease of the Breast. You can view a list of Dr. Stephen H. Dyar's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Stephen H. Dyar accept my insurance?

Dr. Stephen H. Dyar accepts most major insurance plans, including Absolute Total Care South Carolina and Aetna. We recommend calling the office directly at 864-603-6300 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

Find Dr. Dyar's expertise for a condition
ConditionClose
    View All 10 Distinguished Conditions
    View All 38 Advanced Conditions
    View All 108 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile