Sumbul Islam, MD
Internist
1700 N Travis St
Sherman, TX 75090
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331 providers
Availability last updated 03/27/2026
Sumbul Islam, MD
Internist
1700 N Travis St
Sherman, TX 75090
Jenson Abraham, MD
Internist
600 E Taylor St
Ste 201
Sherman, TX 75090
Board-certified allergist-immunologist Thomas Fowler, MD, invests in cutting-edge technology continuing education to offer individualized, evidence-based care. Dr. Fowler completed his undergraduate studies at Brigham Young University in Provo, Utah, where he met his wife. He later earned his medical degree at UT Southwestern Medical School in Dallas, Texas, before heading to Creighton University in Omaha, Nebraska, for an internal medicine residency. After finishing his residency, Dr. Fowler completed an allergy-immunology fellowship at Louisiana State University in Shreveport, Louisiana.
He has published multiple papers on various allergy and asthma topics, including rare conditions such as cereal anaphylaxis.
Dr. Fowler works with each patient to develop individualized care plans. In addition to medication, injectables, and immunotherapy, he helps patients avoid allergy and asthma triggers while preparing for emergency situations. Dr. Fowler ensures each patient has the tools they need to care for their chronic conditions.
With Dr. Fowler’s care and dedication, patients of all ages can lead healthier, more active lives regardless of asthma or allergies. Allergy and Asthma of Prosper and Celina fosters a friendly, supportive environment where every patient feels safe and heard. Dr. Fowler and his staff provide transparent pricing and easy access treatment to eliminate barriers to comprehensive care.
Dr. Thomas Fowler, MD
Allergist
450 Standridge Blvd
Suite 206
Anna, TX 75409
Bishwas Upadhyay, MD, is a board-certified internal medicine physician at Texas Primary & Pediatric Care in Irving & Celina, Texas. Dr. Upadhyay’s philosophy in medicine is to help the body care for itself. He strongly believes in the power of preventive medicine and places high importance on the doctor-patient relationship. He is known for being attentive and articulate, and finds joy in educating and counseling his patients.
Dr. Upadhyay is originally from the Himalayan country of Nepal. He graduated from Nepalgunj Medical College in Nepal and completed his residency training in internal medicine at Presence Saint Joseph Hospital in Chicago, Illinois, where he served as a chief resident. Afterward, he joined the University of Nevada Reno School of Medicine as an assistant professor of medicine and later served as an academic hospitalist and associate program director for their internal medicine residency program.
In addition to taking care of his patients in the hospital, Dr. Upadhyay also taught medical students and residents in both hospital and primary care settings. During his tenure as the associate program director at the University of Nevada, he developed a quality improvement and patient safety curriculum. He also coached and mentored residents in their quality improvement and patient safety projects.
In addition to his board-certification, Dr. Upadhyay is a fellow of the American College of Physicians and received several awards and recognitions throughout his medical career. Dr. Upadhyay is fluent in English, Nepali, Hindi, and Urdu, allowing him to better serve the diverse patient populations in his community.
Outside of work, Dr. Upadhyay loves hiking, spending time with his family, and traveling. He is also an amateur cook.
Dr. Bishwas Upadhyay, MD
Internist
3925 S Preston Rd
Ste 100
Celina, TX 75009
Hussein Al Jobori, MD
Internist
1400 N Coit Rd Ste 1903
Mckinney, TX 75071
Muhammet Ozer, MD
Internist
307 S. Mcdonald Street
Mckinney, TX 75069
Dr. Stephanie Berg, MD
Internist
8000 Eldorado Pkwy
Bldg D Ste A
Mckinney, TX 75070
Dr. Amir Choudhry, MD
Internist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
SERVICES:
Dr. Michael Eifling, MD
Cardiologist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Book Chapters
IRB Projects Ongoing
IRB Projects Closed/Completed
Abstracts / Posters Presented
Presentations
TEXAS A&M HEALTH SCIENCE CENTER / COLLEGE OF MEDICINE - FACULTY DEVELOPMENT
FY 2023
FY 2022
FY 2021
FY 2020
FY 2019
FY 2018
Selected Academic Mentees (direct reports)
Dr. Shelley Hall, MD
Internist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Dr. Georges Feghali, MD
Internist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Dr. Brian Eades, MD
Internist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Dr. Manikumar Bheemarasetti, MD
Cardiologist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Dr. Vijay Kalaria, MD
Cardiologist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Dr. John Overbeck, MD
Internist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Dr. Arjun Nair, MD
Internist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Dr. L Routh, MD
Cardiologist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070
Dr. John Reuter, MD
Internist
7300 Eldorado Pkwy
Suite 150
McKinney, TX 75070