Now accepting in-person and Telemedicine appointments!


We have implemented the following precautions to keep our patients & staff safe:

  • Staff is screened and temperatures are taken daily

  • All staff and patients must wear masks

  • All patients are screened prior to their appointment

  • Our office and exam rooms are cleaned and disinfected in accordance with CDC guidelines

  • Patients cannot bring guests/visitors to their appointment (unless patient requires assistance)

If you schedule a Telemedicine visit, you can reach your provider by inserting the link to your provider into your browser.

Dallas Internal

Medicine Specialists

Personal Treatment. Premium Care.


Our Mission Statement 

"Our goal at Dallas Internal Medicine Specialists is to provide patients with comprehensive medical care that encompasses internal medicine, geriatric medicine, and urgent care services. We accept patients 18 years and older, with the intent of being their primary care physician through every stage of life."

Board Certified Internists

We specialize in every stage of the aging process. 

  • Dr. Hashim Majjed, MD

    Hashim Majeed, MD

  • Dr. Marina Vengalil, MD

    Marina Vengalil, MD

  • Dr. Anthony Nguyen, DO

    Anthony Nguyen, DO


Services We Offer

Internal Medicine​, Geriatric Medicine​, Urgent Care, Televisits

Chronic Disease Mangagement

Preventive Medicine 

& Wellness

Urgent Care Services

Televisit Tutorial

Call Us at 972-560-9400 to Schedule an Appointment

or Schedule Your Appointment Online Below:

Nearly all major insurance plans accepted

Open Access HMO

Select, Elect Choice, Managed Choice

Open Choice PPO, POS, POS II, Managed Choice POS. Medicare Plan, HMO, PPO, Health Network Option, TRS Active Care 1 & 2 

Blue Advantage HMO

Blue Essentials HMO and PPO Blue Choice PPO

HMO Open Access  Network, 

Network Open Access, POS (Flexcare), POS (Open Access) , Open Access Plus , Open Access Plus-ACO, Open Access Plus In-Network Indemnity,  EPO, PPO, PPA 





Choice Care PPO

Humana Preferred

Humana One- Commercial PPO

Humana Medicare HMO & PPO

National POS-Open Access

Humna Preferred POS-Open Acces




Other Plans

United Healthcare PPO

Managed Medicare Advantage HMO Plan

WellCare Value HMO

WellCare Dividend HMO 

Well Care

Imagine Health

Scott and White Health Plan

USA Managed Care Organization PPO

Medicare-Medicaid as secondary ONLY


**Always call the clinic to verify insurance prior to scheduling or attending your office visit. Please be aware that insurances often change, and it is the patient's responsibility to call our office and request insurance verification. 



Contact Us

Opening Hours

Monday-Friday: 8am to 12pm | 1pm to 5pm

Saturday: Closed

Sunday: Closed

601 Clara Barton Blvd. Suite 145 Garland, TX 75042


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