Summary

Dr. Dennis Cullen treats limping, type 2 diabetes mellitus, and vertigo, and performs physical therapy, strength training, and manual therapy. He practices internal medicine and has 44 years of experience.

Dr. Cullen earned his medical degree from Georgetown University School of Medicine and completed his residency at Georgetown University Medical Center. He is affiliated with Sibley Memorial Hospital and Suburban Hospital, and sees patients in Bethesda, Maryland, and Washington, DC. Patients on Vitals rate Dr. Cullen 4.64 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 44 years of experience
  • speaks English
  • Georgetown University Medical Center
  • 10 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 2 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Dennis Aloysius Cullen has 4 locations

Cullen Umosella Cullen And Cullen Medical Group

7625 Wisconsin Ave Ste 101Bethesda, MD 20814
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Linz Audain Md Llc

5255 Loughboro Rd NwWashington, DC 20016
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Sibley Memorial Hospital

5255 Loughboro Rd NwWashington, DC 20016

Suburban Hospital

8600 Old Georgetown RdBethesda, MD 20814

Compare with Similar Doctors

Dr. Dennis Aloysius Cullen SR., MD
Dr. Chethana V Rao, MD
Dr. Janelle Dennis, MD
Dr. George Bone, MD
Dr. Dennis Aloysius Cullen SR., MDDr. Chethana V Rao, MDDr. Janelle Dennis, MDDr. George Bone, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
4.1 
0 
4.3 
44 Years of Experience 32 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English
Bethesda , MDFairfax , VACrofton , MDUpper Marlboro , MD
Med School: Georgetown University School Of Medicine Med School: Bangalore Med Coll Bangalore Univ Bangalore India Med School: Meharry Medical College Med School: St. Louis University in St. Louis, Missouri
Current Profile
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Insurance Plans Accepted by Dr. Dennis Aloysius Cullen

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Dennis Aloysius Cullen has the following specialty

Specialty Expertise

Dr. Dennis Aloysius Cullen has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

44 Years Experience

Dr. Dennis Aloysius Cullen holds an expired medical license in the states of District Of Columbia and Maryland.

Medical License

Medical Doctor with an expired medical license in the state of District Of Columbia that expired in 2026 and an expired medical license in the state of Maryland that expired in 2026.

Education & Training

Residency

Completed their residency at Georgetown University Medical Center.

Medical School

Graduated from Georgetown University School Of Medicine in 1982.

NPI Number

Dr. Cullen's NPI number is 1104988054.

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Frequently Asked Questions

What languages does Dr. Dennis Cullen speak?
Dr. Dennis Cullen speaks English.
Which hospitals is Dr. Dennis Cullen affiliated with?
Dr. Dennis Cullen is affiliated with Sibley Memorial Hospital and Suburban Hospital.
Does Dr. Dennis Cullen accept my insurance?
You can see the insurance plans that Dr. Dennis Cullen accepts on their Vitals profile.
How can I make an appointment with Dr. Dennis Cullen?
You can find contact information for Dr. Dennis Cullen here on Vitals.
Where is Dr. Dennis Cullen's office located?
Dr. Dennis Cullen's office is located at 7625 Wisconsin Ave Ste 101, Bethesda, MD, 20814.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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