Collin D. Cullen, MD

Primary Care That Makes You Primary

Collin D. Cullen, MD

Internal Medicine

Get Started Today

This physician has limited availability and may have a Waiting List. Fill out the form to receive more information about Dr. Cullen.

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*MDVIP respects your privacy and will only use your personal information as stated in our Privacy Policy and Terms of Use. By providing your number, you are giving your express written consent to receive telemarketing calls or text messages using an automatic phone dialing system or an artificial or prerecorded voice at that number. You can contact us at any time if you wish to stop receiving such messages.

Residency

Geisinger Medical Center
Danville, PA
Internal Medicine 1994-1997
Chief Resident, Internal Medicine & Pediatrics 1997

Internship

Geisinger Medical Center
Danville, PA
1993-1994

Medical School

Georgetown University School of Medicine
Washington, DC
Doctorate of Medicine 1993

Undergraduate

LaSalle University
Philadelphia, PA
Bachelor of Arts, Biology and English 1989

American Board of Internal Medicine 

Sibley Memorial Hospital

Sibley Hospital
 - Peer Review, Internal Medicine 2015-present
 - Secretary/Treasurer, Department of Medicine 2018-present
 - Member at Large, Department of Medicine 2015-2018

Annual Top Doctor Award, Washingtonian Magazine 2000-present
Castle Connolly Top Doctor, 2019-2024

Maryland
District of Columbia

MDVIP Annual Membership Fee

MDVIP’s annual fee covers the Wellness Program and generally can be made in quarterly, semi-annual and annual payments.

Quarterly
$575.00 every 3 months*

Semi-Annual
$1,150.00 every 6 months*

Annual
$2,300.00 each year*

Collin D. Cullen, MD

Meet Collin D. Cullen, MD


I was raised in a primary care household with an admiration for family medicine. I had a front row seat, as my father was a general practitioner in the DC area for 30 years. Practicing primary care with my brothers over the last 21 years has been the most rewarding part of my career; learning from some of the finest and giving patients optimal care. My MDVIP-affiliated practice focuses on the relationship between the physician and the patient. My approach is grounded in the belief that the doctor-patient connection is the foundation of all successful healthcare. Listening to the patient has always been the most important diagnostic test. I also offer conveniences, like same- or next-day appointments that start on time, which may be found in concierge medicine practices.   

As a native Washingtonian, I have served the Northwest DC, Montgomery County, Maryland and Sibley Hospital communities my entire professional life. I am dedicated to preventive medicine and am uniquely qualified to serve this area because this is where, and how, I was raised.

Get Started Today

This physician has limited availability and may have a Waiting List. Fill out the form to receive more information about Dr. Cullen.

Get Started | Today

*MDVIP respects your privacy and will only use your personal information as stated in our Privacy Policy and Terms of Use. By providing your number, you are giving your express written consent to receive telemarketing calls or text messages using an automatic phone dialing system or an artificial or prerecorded voice at that number. You can contact us at any time if you wish to stop receiving such messages.

Primary Care That Makes You Primary

A new healthcare model to suit your lifestyle
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Benefits of joining Dr. Cullen's practice with MDVIP

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MDVIP Wellness Program

Expect comprehensive screenings and tests and a custom wellness plan designed for you.

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Better Doctor-Patient Relationship

97% of MDVIP members are satisfied with their relationship (vs 58% in traditional PCP).

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Same/Next-Day Appointments

See Dr. Cullen quickly and take your time during each appointment.

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Reachable 24/7

Reach Dr. Cullen by phone or text after-hours, and on weekends.

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Smaller Practice Size

MDVIP practices are smaller than most primary care practices, which means your doctor has more time to help you.

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Your Dedicated Doctor

See Dr. Cullen when you go to the office — not someone else like a nurse practitioner or physician assistant

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Travel Benefits

If you need urgent care while traveling, your physician can help arrange your care with a local hospital, pharmacy or doctor.

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Medical Centers of Excellence

For patients who need care beyond what is available locally, MDVIP can connect your doctor with specialists at some of the country’s leading medical institutions

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Better Health Outcomes

Members have better control of chronic conditions like type 2 diabetes, high cholesterol and hypertension.

Frequently Asked Questions

Doctors who operate in the MDVIP models typically see far fewer patients than traditional primary care doctors. That gives them more time to develop deeper doctor-patient relationships that can lead to better outcomes. They can also offer conveniences that most primary care doctors can’t, including same- and next-day appointments. They’re available after hours for urgent matters. And they have time to focus on prevention. That focus begins with the MDVIP Wellness Program, which patients pay for with their annual membership fee.

Most MDVIP-affiliated primary care practices accept insurance (your physician can tell you whether they accept your specific insurance plan). Your annual fee pays for preventive care medical services that insurance usually doesn’t cover (e.g., advanced diagnostic testing and screenings). Your MDVIP-affiliated physician will continue to bill your insurance and charge copays, co-insurances and deductibles as he or she currently does for other medical services like sick visits.

MDVIP makes wellness and prevention easier by providing your physician with innovative tools and technology. MDVIP supports your physician’s practice and seeks to eliminate barriers to a positive healthcare experience. Your doctor will determine whether and how to incorporate these tools at his/her discretion.

MDVIP Annual Membership Fee

MDVIP’s annual fee covers the Wellness Program and generally can be made in quarterly, semi-annual and annual payments.

Quarterly
$575.00 every 3 months*

Semi-Annual
$1,150.00 every 6 months*

Annual
$2,300.00 each year*

Get Started Today

This physician has limited availability and may have a Waiting List. Fill out the form to receive more information about Dr. Cullen.

Get Started | Today

*MDVIP respects your privacy and will only use your personal information as stated in our Privacy Policy and Terms of Use. By providing your number, you are giving your express written consent to receive telemarketing calls or text messages using an automatic phone dialing system or an artificial or prerecorded voice at that number. You can contact us at any time if you wish to stop receiving such messages.

Testimonials from patients of Collin D. Cullen, MD

Dr Collin Cullen - far, far more than a doctor in true times of our need

from Keith in MD • March 17, 2024
Dr Collin Cullen was our true friend in need and advisor when we were away, and his patient suffered a spine surgery setback fighting a MRSA infection. She was hospitalized several times and finally had to undergo antibiotic IV infusion over a nine week period from mid-November through mid-January. During that entire time we were away, including the holidays, Dr. Collin Cullen kept in touch with Read more...

Dr. Collin D. Cullen

from George in MD • March 11, 2024
Dr. Cullen is a fantastic listener, very smart, always right, generous with his time, efficient, professional, and available. He is my peace of mind. I’m so grateful he is my doctor. He makes it an impossible choice to relocate because there is no other like him. Dr. Cullen is an absolute one of. He gives me confidence and hope. Other physicians are complimentary as well. I have an advantage out Read more...

There When I Need Him

from Bruce in MD • March 10, 2024
My story has more to do with consistency than any specific occurrence. Dr. Cullen has always been incredibly responsive regardless of the day of the week, or the time of day. It’s very comforting to know I can depend on him to be there for me when called upon.

Ms. Marshall

from Terrill in MD • March 10, 2024
In December I had annual mammogram and was told something questionable showed up. I would need to have another mammogram as well as an ultrasound. After having that done I was told I needed to have a biopsy of the area. As a breast cancer survivor I was naturally nervous an very concerned. Before scheduling the biopsy I wanted to talk to Dr. Cullen, my PCP. I was able to talk with him Read more...

Exemplary Service

from Michael in MD • March 10, 2024
Dr. Cullen is a perfect example of the dedication to his patients. And I'm no exception. If I have any questions regarding the correct amt. of a particular drug dosage I take, for instance, or understanding what symptoms I have that most times Dr. Cullen can diagnose, he'll return my call the very same day, usually within 12 hours. In addition, very good bedside manner.

The Office of Collin D. Cullen, MD


Locations & Hours

Primary Office

4400 Jenifer Street NW Suite 350
Washington, DC 20015

call 1.866.696.3847

Get Directions

Hours

Mon 8:00 AM - 4:00 PM
Tue 8:00 AM - 4:00 PM
Wed 8:00 AM - 4:00 PM
Thu 8:00 AM - 4:00 PM
Fri 8:00 AM - 12:00 PM
Sat Closed
Sun Closed

MDVIP Annual Membership Fee

MDVIP’s annual fee covers the Wellness Program and generally can be made in quarterly, semi-annual, and annual payments.

Quarterly
$575.00 every 3 months*

Semi-Annual
$1,150.00 every 6 months*

Annual
$2,300.00 each year*

Get Started Today

This physician has limited availability and may have a Waiting List. Fill out the form to receive more information about Dr. Cullen.

Get Started | Today

*MDVIP respects your privacy and will only use your personal information as stated in our Privacy Policy and Terms of Use. By providing your number, you are giving your express written consent to receive telemarketing calls or text messages using an automatic phone dialing system or an artificial or prerecorded voice at that number. You can contact us at any time if you wish to stop receiving such messages.

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