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Mohammad E. Allaf

Mohammad E. Allaf, MD

Urologic OncologyUrology

Accepting New Patients
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Highlights

Age Groups Seen

  • Young Adult 18-25
  • Adult 26-64
  • Older Adult 65+

Languages

  • Arabic
  • English

Gender

Male

Johns Hopkins Affiliations:

  • Johns Hopkins School of Medicine Faculty

About Mohammad E. Allaf

Professional Titles

  • Urologist-in-Chief, The Johns Hopkins Hospital
  • Jakurski Family Director
  • Director, Department of Urology
  • Jakurski Family Professor of Urology

Primary Academic Title

Professor of Urology

Johns Hopkins Physician

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Background

Dr. Mohamad Allaf is Professor of Urology and Oncology, as well as Director of the Department of Urology and the Brady Urological Institute and Urologist-in-Chief of the Johns Hopkins Hospital.

Dr. Allaf is a world renowned surgeon-scientist having performed more than 2,000 robotic procedures and published over 250 peer reviewed research papers in the field's best journals.

As one of the busiest robotic radical prostatectomy surgeons in the world, he aims to achieve the best outcomes for his patients. Having trained with Dr. Patrick Walsh, Dr. Allaf has used Dr. Walsh's method of radical prostatectomy as the basis for his own anatomic method to this complex operation.

Dr. Allaf is also amongst the leaders in kidney cancer surgery, having served on the American Urological Association Guideline Committee for Kidney Cancer. He led a team who performed the rigorous analysis to help inform the most recent guidelines that was funded by the Agency for Healthcare Research and Quality (AHRQ). He is best known for his ability to save the kidney and remove the tumor in patients with kidney tumors.

Dr. Allaf runs a research endeavor aiming to decrease the morbidity associated with the treatment of cancer, and he has mentored numerous leaders in academic urology. He is actively involved in fund raising for research and education, and believes in expanding our base of support in order to advance our important mission.

Centers and Institutes

  • Brady Urological Institute
  • Robotic and Minimally Invasive Surgery
  • The Johns Hopkins Precision Medicine Center of Excellence for Prostate Cancer

Clinical Trial Keywords

small renal tumor; ablation; robotics; kidney tumor

Find a Clinical Trial

View all trials by this principal investigator.

Additional Academic Titles

Professor of Oncology

Research Interests

image guided therapy, Minimally invasive surgery, nerve preservation after radical prostatectomy, robotic surgery, small kidney tumors

Research Summary

Dr. Allaf runs a research laboratory aimed at decreasing the morbidity associated with the treatment of urologic cancers. He oversees a large registry of patients who have small kidney tumors and elect for careful and active observation.

Selected Publications

  • Allaf ME, Partin AW, Carter HB. The importance of pelvic lymph node dissection in men with clinically localized prostate cancer. Rev Urol. 2006 Summer;8(3):112-9.

  • Muntener M, Nielsen ME, Romero FR, Schaeffer EM, Allaf ME, Brito FA, Pavlovich CP, Kavoussi LR, Jarrett TW. Long-Term Oncologic Outcome after Laparoscopic Radical Nephroureterectomy for Upper Tract Transitional Cell Carcinoma. Eur Urol. Jan, 2007.

  • Warlick CA, Allaf ME, Carter HB. Expectant treatment with curative intent in the prostate-specific antigen era: triggers for definitive therapy. Urol Oncol. 2006 Jan-Feb;24(1):51-7.

  • Warlick CA, Lima GC, Allaf ME, Varkarakis I, Permpongkosol S, Schaeffer EM, Kavoussi LR, Jarrett TW, Solomon SB. Clinical sequelae of radiographic iceball involvement of collecting system during computed tomography-guided percutaneous renal tumor cryoablation. Urology. 2006 May;67(5):918-22.

  • Warlick CA, Mouli SK, Allaf ME, Wagner AA, Kavoussi LR. Bladder irrigation using hydrogen peroxide for clot evacuation. Urology. 2006 Dec;68(6):1331-2.

Honors

  • 2018 Top Doctor, Baltimore Magazine
  • American Urological Association Foundation Scholar, 1/1/06
  • First Place Clinical Research Annual Essay Contest, AUA, 1/1/05
  • First Place Laboratory Research Annual Essay Contest, AUA, 1/1/05
  • Lapides Annual Essay Contest on Urodynamic and Neurourology Research, Honorable Mention, 1/1/05
  • First Place Mid-Atlantic American Urological Association Research Essay Contest, 1/1/04
  • Pfizer Research Scholar Award, 1/1/04
  • Outstanding Laparoscopic Surgeon Resident Award, Society of Laparoendoscopic Surgeons, 1/1/03
  • Harold Lamport Research Award, JHU SOM, 1/1/99
  • Chesapeake Education Summer Research Fellowship, JHU SOM, 1/1/97
  • Summa Cum Laude, 1/1/96
  • Richard J. Johns Award for Outstanding Achievement in Biomedical Engineering, JHU, 1/1/96
  • Howard Hughes Summer Research Fellowship, 1/1/95
  • Biomedical Engineering Undergraduate Research Award, JHU, 1/1/95
  • Tau Beta Pi, Engineering Class Rank=1/200, 1/1/95

Memberships

  • American Urological Association
  • Endourological Society
  • Sexual Medicine Society of North America

Locations

  1. Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
    • 10803 Falls Road, Pavilion III STE 3300, Lutherville, MD 21093
    • Get Directions

Expertise

Education

  • Residency: Johns Hopkins University School of Medicine, Urology, 2006
  • Medical Education: Johns Hopkins University School of Medicine, MD, 2000

Board Certifications

  • Urology: American Board of Urology, 2008

Insurance

Please contact the location directly to confirm your health plan is accepted.
Search plans
  • Aetna
  • CareFirst
  • Cigna
  • First Health
  • Geisinger Health Plan
  • HealthSmart/Accel
  • Johns Hopkins Health Plans
  • MultiPlan
  • Pennsylvania's Preferred Health Networks (PPHN)
  • Point Comfort Underwriters
  • Private Healthcare Systems (PHCS)
  • Veteran Affairs Community Care Network (Optum-VACCN)

Ratings & Reviews

5 out of 5

35 ratings, 24 reviews

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Overall Rating by Patient
Provider Listened Carefully
Provider Explained Things Clearly
Provider Knew Medical History
Provider Showed Respect
Provider Spent Enough Time
Search reviews
    5 out of 5 stars
    Reviewed on 3/11/2026

    One of the best visits I've ever had

    5 out of 5 stars
    Reviewed on 3/11/2026

    Dr. Allaf is a wonderful Doctor; excellent and compassionate in every way!

    5 out of 5 stars
    Reviewed on 3/11/2026

    Dr. Allaf was professional, friendly and explained clearly about the next steps. I was satisfied with his advice. I would recommend him to my friends and family.

    5 out of 5 stars
    Reviewed on 2/11/2026

    Best doctor I have encountered and I represent thousands of physicians.

    5 out of 5 stars
    Reviewed on 1/16/2026

    Dr. Allaf listened and provided clear answers and recommendations.

    5 out of 5 stars
    Reviewed on 1/14/2026

    Dr. Allaf was empathetic and very generous with his time. He's very reassuring, patient and considerate. Outstanding

    5 out of 5 stars
    Reviewed on 1/14/2026

    Dr. Allaf is an exceptional practitioner

    5 out of 5 stars
    Reviewed on 1/14/2026

    Dr. Allaf is a very impressive professional, who gave me a sound advice about dealing with my low grade prostate cancer.

    5 out of 5 stars
    Reviewed on 12/10/2025

    Both Doctor and Nurse Practicioner were very helpful, thorough, and willing to spend time discussing options and answering questions. NP very timely in responding via portal and helping prepare for the appointment.

    5 out of 5 stars
    Reviewed on 12/10/2025

    [staff] was very professional and gave me great information and lead up to my consultation with Dr.Allaf. Dr Allaf gave me an accurate account of my condition and many treatment options to make an informed decision about my condition and how to treat. He was very courteous and professional.

    5 out of 5 stars
    Reviewed on 12/10/2025

    Made me feel extremely confident in him.Very impressive

    5 out of 5 stars
    Reviewed on 12/10/2025

    Dr. Allaf and [staff] exceeded my expectations. Dr. Allaf understood my clinical history/findings, introduced all options for future care and guided me to my decision.

    5 out of 5 stars
    Reviewed on 11/12/2025

    It was a good experience.

    5 out of 5 stars
    Reviewed on 11/12/2025

    Best Urlogy Doc I have ever seen

    5 out of 5 stars
    Reviewed on 10/8/2025

    Very helpful

    5 out of 5 stars
    Reviewed on 10/8/2025

    Excellent

    5 out of 5 stars
    Reviewed on 9/10/2025

    Great conversation with Dr Allaf and his colleague. They were thorough, clear, and provided helpful information.

    5 out of 5 stars
    Reviewed on 9/10/2025

    The doctor was wonderful

    5 out of 5 stars
    Reviewed on 9/10/2025

    Very good bedside manner

    5 out of 5 stars
    Reviewed on 7/9/2025

    He is the best

    5 out of 5 stars
    Reviewed on 7/9/2025

    He was very professional. He took time to explain what the surgery entails. He answered all my questions.

    5 out of 5 stars
    Reviewed on 6/11/2025

    Dr Allaf Is truly a capable, experienced provider. Having had medical treatment in several places, I would rank Dr Allaf as the besttop 1%I would also add that in addition to his medical skills, he has an outstanding bedside manner. Great communicator

    5 out of 5 stars
    Reviewed on 5/14/2025

    The very best care and attention!

    5 out of 5 stars
    Reviewed on 5/14/2025

    Dr.Allaf is the best