Hashim Majeed, MD
Internal Medicine - Accepting New Patients 

Dr. Hashim Majeed is board certified in Internal Medicine and Geriatrics and offers comprehensive medical care for senior adults. He has been in practice for 27 years focusing on managing chronic conditions in the aging population. Dr. Majeed completed his medical school at Dow Medical College in Karachi Pakistan. He completed his internship at Interfaith Medical Center in Brooklyn New York and completed his residency at Texas Tech University Health Sciences Center in El Paso Texas.

 

Medical School 
Dow Medical College, Karachi, Pakistan 

 

Internship 
Interfaith Medical Center, Brooklyn, NY 

 

Residency 
Texas Tech University Health Sciences Center, El Paso, TX 

 

Memberships 
American Medical Director Association
Association of Program of All-Inclusive Care for Elderly
American Geriatric Society
American Medical Association 

 

Certifications 
American Board of Internal Medicine 

 

Hospital Affiliations

Baylor Scott and White Dallas, Centennial Frisco, Carrollton, Lake Pointe, Irving, Plano, and Methodist Richardson

Marina Vengalil, MD
Internal Medicine - Accepting New Patients 

Dr. Marina Vengalil is board certified in Internal Medicine and Geriatrics and believes in providing quality, comprehensive health care for adults. She offers a wide range of services, including preventative screenings, and chronic disease management for diseases such as diabetes, asthma, and hypertension. Dr. Vengalil also holds special interests in dementia and osteoporosis. She completed a fellowship in behavioral neurology at the State University of New York and subsequently completed a second fellowship in geriatric medicine at The University of Texas Southwestern Medical Center in Dallas, Texas. 

 

Medical School 
Mahatma Gandhi University Medical College, Kottayam, Kerala, India 

Residency 
New York Methodist Hospital, Brooklyn, NY 

 

Fellowship 
SUNY Stonybrook, NY Geriatric Medicine

University of Texas Southwestern/ Parkland Memorial Hospital, Dallas, TX 

 

Memberships 
American Medical Association 

 

Certifications 
American Board of Internal Medicine, Geriatric Medicine 

 

Hospital Affiliations 

Baylor Scott and White Dallas, Lake Pointe, Plano, and Methodist Richardson

Anthony Nguyen, DO
Internal Medicine - Accepting New Patients 

Dr. Anthony Nguyen is board certified in Internal Medicine and Geriatrics and offers a full range of medical care for senior adults. He believes in serving patients with a holistic approach to medicine and holds a special interest in preventative care. Dr. Nguyen completed his medical school, internship, residency, and fellowship at the Texas College of Osteopathic Medicine in Fort Worth.

 

Medical School

UNT Health Science Center, Fort Worth

 

Internship

Osteopathic Medical Center of Texas, Fort Worth

 

Residency

Internal Medicine, Osteopathic Medical Center of Texas, Fort Worth

 

Fellowship

Geriatric Medicine, UNT Health Science Center

 

Certifications

American Osteopathic Board of Internal Medicine

 

Hospital Affiliations 

Baylor Scott and White Dallas, Centennial Frisco, Lake Pointe, McKinney, Plano, and Methodist Richardson

Jamie Callahan, PA-C
Physician Assistant - Accepting New Patients 
Jamie is certified by the NCCPA and earned her Master of Physician Assistant Studies degree at the University of North Texas Health Science Center at Fort Worth. 
 

Jamie's special interests include: 

•    Acute Health Conditions
•    Chronic Health Conditions
•    Diabetes
•    Heart Disease Management

 

In addition to Jamie's experience in the above patient management styles, Jamie's undergraduate degree in nutritional sciences allows her to provide extra counseling and motivation for patients to make positive diet and lifestyle changes to benefit their health.