Dr. Dennis A Cullen, MD



Internal Medicine   -  Maryland,  Oxon Hill

 Overview

Dr. Dennis A Cullen, MD works in Oxon Hill, Maryland is a specialist in Internal Medicine and graduated Dartmouth Mary Hitchcock in 1983. Dr. Cullen is affiliated with Sibley Memorial Hospital and practicing for 41 years

 Specialties

  • Internal Medicine

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 41

 State License

  • District of Columbia
  • Maryland

 Education & Training

Internship Hospital

Dartmouth Mary Hitchcock

Year completed: 1983

Residency Hospital

Georgetown University

Washington, DC, USA

Year completed: 1985

Medical School

Georgetown University School Of Medicine

Washington, DC, United States

Graduated: 1982

 Awards

Awards for Dr. Dennis A Cullen, MD are not present.

 Dr. Cullen Reviews

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 Office Locations


Primary location

 Cullen Umosella Cullen &Cullen
6188 Oxon Hill Road Suite 704
Maryland (MD)
Oxon Hill
20745
 Phone:(301) 839-2790
Additional data:
Free Standing Surgery Center?    No
Office Volume:    25 patients per day
Performs Procedures On Site?    Yes

Other Office Locations

 Cullen Umosella Cullen Cullen
7625 Wisconsin Avenue Suite 101
Maryland (MD)
Oxon Hill
20814
 Phone:(301) 951-0420

Accepting New Patients

  • No
* Please verify this information when scheduling an appointment.

 Map & Directions



Cullen Umosella Cullen &Cullen, 6188 Oxon Hill Road Suite 704, Oxon Hill, Maryland (MD), 20745




 Insurances Accepted (check insurance plans)

  • American Republic
  • Blue Cross Blue Shield
  • Choice Plus POS
  • Commercial Insurance Company
  • Coventry Health Care
  • Golden Rule
  • Humana
  • Mail Handlers Benefit Plan (MHBP)
  • Medicare
  • Medicare MCR
  • National Elevator
  • Options PPO
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Dennis A Cullen, MD are not present.

 Patients Questions

Patients questions for Dr. Dennis A Cullen, MD are not present.

 Affiliated Hospitals


Sibley Memorial Hospital photo


Sibley Memorial Hospital

5255 Loughboro Road North West District of Columbia DC, Washington, 20016

Sibley Memorial Hospital is a hospital located in Washington, DC. Procedures/Diagnosis costs are above the state average in 9 of 9 procedures. Length of Stay is shorter than the state average in 5 of 9 procedures.



  •  Latest reviews for Internal Medicine specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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