3.7
3 Ratings

![]() | ![]() | ![]() | ![]() |
| Dr. Grant William Mallory, MD | Dr. Osama Ahmed, MD | Dr. Sibi Rajendran, MD | Dr. Damiano G. Barone, MD, PhD, FRCS |
| Neurosurgery | Neurosurgery | Neurosurgery | Neurosurgery |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 17 Years of Experience | 18 Years of Experience | 7 Years of Experience | 17 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks Malayalam, Tamil, English | Speaks Italian, English | |
| San Antonio , TX | Live Oak , TX | Houston , TX | Houston , TX |
| Med School: Georgetown University School Of Medicine | Med School: Texas Tech University Health Sciences Center School Of Medicine | Med School: University of Kentucky College of Medicine | Med School: University of Naples Federico II, Napoli NA, Italy |
Current Profile | View Profile | View Profile | View Profile |
Dr. Grant William Mallory holds an expired medical license in the states of Texas, Wisconsin, and Minnesota.
Medical Doctor with an expired medical license in the state of Texas that expired in 2025, an expired medical license in the state of Wisconsin that expired in 2025, and an expired medical license in the state of Minnesota that expired in 2026.
Completed their residency at Mayo Clinic And Medical School.
Graduated from Georgetown University School Of Medicine in 2009.
Dr. Mallory's NPI number is 1568690477.










This provider profile is built using data from:
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.