Welcome to Prosperity Internal Medicine

Internal Medicine & Primary Care Practice located in Reston, VA

Medical Weight Loss

Let our experts examine your condition in order to provide the best treatment for your body

Allergy & Asthma Treatment

We understand how problematic your allergies can get and will do whatever we can in order to help find a treatment plan that works to lessen the effects of your allergies

Women's Health

Our clinic first opened in 1989 as a clinic for women and children so we take great pride in offering a wide variety of services for our female patients

IV Vitamin & Hydration Therapy

Live a healthy, balanced and enriched lifestyle with the help of our specially formulated vitamin injections and IV therapies

About Our Practice

Our Services

Our Testimonials

Contact Us

About Prosperity Internal Medicine

Prosperity Internal Medicine has served Northern Virginia for 30 years. Tarique Zahir, MD, Taseen Mir, MD, and their team specialize in high-quality care with a personal touch. The primary care providers offer convenient telehealth visits, in-person appointments, and same-day sick visits at their office in Reston, Virginia.

The internal and family medicine team welcomes patients aged 14 and older living throughout the surrounding Northern Virginia communities, including Falls Church, McLean, Sterling, Ashburn, Leesburg, Vienna, and Herndon.

Dr. Zahir and Dr. Mir are recognized as Top Doctors and frequently appear as medical experts on CNN, FOX News, Bravo, and MSNBC.

Despite their well-deserved recognition, they run an old school medical office, where everyone is a valued individual. They listen to their patients and build relationships. Getting to know each person allows them to provide truly individualized care and support the patient’s optimal health.

Prosperity Internal Medicine specializes in preventive health care, women’s health, men’s health, and medical weight loss.

Their extensive experience includes diagnosing and treating every condition teenagers and adults can face, often seeing patients with diabetes, heart disease, high cholesterol, allergies, asthma and more. The team also operates an in-house laboratory with Quest Diagnostics®.

Patients seeking primary care doctors they can trust need look no further than Prosperity Internal Medicine. To learn more about their services, call the office or use the online booking tool today.

Tarique Zahir Virtual Plaque for Website

Services We Offer

Our general doctors specialize in providing a wide variety of services to our patients, including adult primary care, preventative medicine, women’s health, and many more! If necessary, we also provide referrals to the appropriate specialist to further your care.

Provider holding internal medicine technology

Call Today to Request Your Appointment with Us.

Our Team

Our team’s focus is on quality care with a personal touch. Both of our doctors, Dr. Zahir and Dr. Mir have received the Washingtonian Top Doctors Award for eight consecutive years from 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023. In addition to being recognized as top doctors throughout Northern Virginia, they have given interviews to media outlets including CNN, FOX News, Bravo, and MSNBC.

Tarique Zahir, MD

Internal Medicine Primary Care Provider, Medical Weight Loss Physician, Adult Medicine, Medical Weight Loss Clinic & Internal Medicine & Weight Loss

Tarique Zahir, MD, is an internal medicine physician at Prosperity Internal Medicine in Reston, Virginia. Dr. Zahir is proud to deliver exceptional medical care to adults, working closely with them to improve their health and quality of life.

Dr. Zahir was born and raised in Beckley, West Virginia. He earned his undergraduate degree from Wake Forest University in Winston-Salem, North Carolina. He then went on to pursue his medical education at the Marshall University Joan C. Edwards School of Medicine in Huntington, West Virginia.

After completing his formal education, Dr. Zahir received internship training from Case Western Reserve University/MetroHealth Medical Center in Cleveland, Ohio. Since practicing internal medicine, he was recognized for being a “Top Doctor” by Northern Virginia Magazine for four years, from 2018-2021. He was also honored with the Washingtonian “Top Doctors Award” for eight years in a row, starting in 2016 through 2023.

At Prosperity Internal Medicine, Dr. Zahir looks forward to meeting you and learning more about your health needs. He aims to ensure your experience is positive and helps you achieve your health goals.

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Taseen Mir, MD

Family Medicine Physician, Acute Primary Care, Adult Medicine, Medical Weight Loss Physician, Medical Weight Loss Clinic & Comprehensive Women’s Healthcare

Taseen Mir, MD, is a family medicine physician at Prosperity Internal Medicine in Reston, Virginia. Dr. Mir is passionate about helping you and your loved ones stay healthy at all times, and partners with you to find the best care plans.

Dr. Mir obtained her bachelor’s degree in psychology from Michigan State University in Lansing, Michigan. She then went on to complete her medical education at St. Matthew’s University School of Medicine in Cambridge, England. After obtaining her doctorate in medicine, she pursued residency training in family medicine at Wayne State University School of Medicine in Detroit, Michigan.

During her time as a physician, she was awarded the “Claire Knighten-Ward Award” for her humanism and excellence. She was also honored by Northern Virginia Magazine and the Washingtonian with a “Top Doctors Award.”

At Prosperity Internal Medicine, Dr. Mir specializes in general practice, as well as allergy treatment and women’s health. She has been practicing family medicine for over fifteen years, and is committed to excellent health outcomes.

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Client Testimonials

"Dr. Mir is kind, gentle, positive and supportive - she listens and communicates better than any primary care doctor I’ve ever had."

Emma G.

"Incredible doctors and humans! Highly recommend both Dr. Zahir and Dr. Mir. Extremely thorough, efficient, compassionate and educated."

Sophia S.

"The office staff are also kind and friendly. I highly recommend the practice to anyone."

Ingrid W.

"Appointments are easy, the location is very convenient! Highly recommended!"

Kathleen P.

"Dr. Zahir is attentive, kind, knowledgeable, and helpful - he genuinely cares about his patients."

Adam G.

"I saw Dr. Zahir for a physical, he provided comprehensive care and showed interest in making sure my concerns were addressed."

Emma G.

"The office is very accommodating and efficiently run."

Lisa L.

"Dr. Mir is the best doctor I have met so far, she never rushes any appointment, she listens and spends time to hear what I have to say."

Reepa A.

"Our whole family has been going to Dr. Zahir/Dr. Mir for years now. They are fantastic!"

Sabrina P.

"They do a nice job here! Kind, patient, accommodating, and seem to do a good job. Easy to get an appointment, clean facility, efficient, no long waits, etc."

Ian F.

"I actually really enjoyed my experience due to the caring staff at this office."

Estelle S.

"I'm lucky to have a doctor like Dr. Zahir as my physician. Managing my health has become easier since I discovered him and his practice."

Suhail F.