Ryan B. Kieser, MD

University	Degree	Focus	Graduated
Houston Methodist Neal Cancer Center	Doctorate	Hematology and Medical Oncology	Not Specified
The University of Texas, McGovern Medical School	Doctorate	Quality Improvement and Patient Safety	Not Specified
The University of North Texas	Doctorate	Biochemistry	Not Specified
American Board of Internal Medicine	Other Certification	Medical Oncology and Hematology	2023

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Review by Anonymous on March 22, 2026 -

Houston Methodist Oncology Partners - 6445 Main Street - Floor 24 - 77030 - 6445 Main Street Floor 24

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Care Providers are always knowle... ”

Care Providers are always knowledgeable and patient

Verified Patient

“Care Providers are always knowle...”

Care Providers are always knowledgeable and patient

Anonymous 03/22/2026

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Review by Anonymous on December 10, 2025 -

Houston Methodist Oncology Partners - 6445 Main Street - Floor 24 - 77030 - 6445 Main Street Floor 24

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ I feel extremely lucky to have D... ”

I feel extremely lucky to have Dr. Keizer as my oncologist!

Verified Patient

“I feel extremely lucky to have D...”

I feel extremely lucky to have Dr. Keizer as my oncologist!

Anonymous 12/10/2025

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Review by Anonymous on September 01, 2025 -

Houston Methodist Oncology Partners - 6445 Main Street - Floor 24 - 77030 - 6445 Main Street Floor 24

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Always have Excellent communicat... ”

Always have Excellent communication at Houston Methodist Clinic or Hospital

Verified Patient

“Always have Excellent communicat...”

Always have Excellent communication at Houston Methodist Clinic or Hospital

Anonymous 09/01/2025

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Review by Anonymous on March 11, 2026 -

Houston Methodist Oncology Partners - 6445 Main Street - Floor 24 - 77030 - 6445 Main Street Floor 24

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Good... ”

Good

Verified Patient

“Good...”

Good

Anonymous 03/11/2026

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Review by Anonymous on October 11, 2025 -

Houston Methodist Oncology Partners - 6445 Main Street - Floor 24 - 77030 - 6445 Main Street Floor 24

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ i've had the best care here ever... ”

i've had the best care here ever, I feel like a queen every time I go in, everybody is so loving.

Verified Patient

“i've had the best care here ever...”

i've had the best care here ever, I feel like a queen every time I go in, everybody is so loving.

Anonymous 10/11/2025

Office Hours

Internal Medicine Physician - Hematology, Obstetrician/Gynecologist - Gynecologic Oncology

Highlights

Biography

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Summary

Provider Training

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Specialties

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Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

Houston Methodist Oncology Partners

Practice Colleagues

Daniela Matei, MD - Internal Medicine Physician, Obstetrician/Gynecologist

Maen Abdelrahim, MD, PhD, B Pharm - Internal Medicine Physician

Hanh Mai, DO, MSMS - Internal Medicine Physician

Siddhartha Ganguly, MD, FACP - Internal Medicine Physician

Sai Pingali, MD - Family Medicine Physician, Internal Medicine Physician

Monisha Singh, MD - Internal Medicine Physician, Obstetrician/Gynecologist

Anaum Maqsood, MD - Internal Medicine Physician

Kirk Heyne, MD - Internal Medicine Physician

Shilpan Shah, MD - Internal Medicine Physician

Ethan Burns, MD - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance