Summary

Dr. Andrew Keenan specializes in internal medicine and nuclear medicine, bringing five decades of medical expertise to patient care. He earned his medical degree from George Washington University School of Medicine & Health Sciences and completed his residency at Washington Hospital. With 50 years of experience in practice, Dr. Keenan has developed extensive knowledge in both general internal medicine and the specialized field of nuclear imaging.

Dr. Keenan practices at MedStar Washington Hospital Center in Washington, DC, and UM Capital Region Medical Center in Largo, Maryland. His expertise includes treating patients with breathing problems, shortness of breath, and fatigue. He performs specialized diagnostic procedures such as cardiac perfusion scans, exercise stress tests, and advanced imaging studies using single photon emission computed tomography. Patients consistently rate Dr. Keenan's care highly, giving him an average rating of 4.5 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 4.5
  • 50 years of experience
  • 27 insurance plans accepted
  • Washington Hospital
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 2 office locations
  • Male

Patients’ Perspective

  • Had a good bedside manner
  • Spent time with me
  • Flexible scheduling

Office Locations

Dr. Andrew Michael Keenan has 2 locations

Medstar Washington Hospital Center

110 Irving St NwWashington, DC 20010

Um Capital Region Medical Center

901 Harry S Truman Dr NLargo, MD 20774

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Dr. Andrew Michael Keenan, MDDr. Ana Paunovic, MDDr. Mamatha Chella, MDDr. Mandana Shafai, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4.9 
50 Years of Experience 16 Years of Experience 34 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks Spanish, English Speaks English Speaks English, Spanish
Washington , DCBethesda , MDBowie , MDFairfax , VA
Med School: George Washington University School Of Medicine & Health Sciences Med School: Louisiana State University School Of Medicine In New Orleans Med School: Government Medical college Med School: Wright State University Boonshoft School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Andrew Michael Keenan

  • AARP
  • Aetna
  • Aetna Better Health
  • AmeriHealth
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Shield of California
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • CareFirst BlueCross BlueShield
  • CareFirst BlueCross BlueShield - Medicaid (Managed)
  • Cigna
  • Independent Health
  • Jai Medical Systems
  • Johns Hopkins Employer Health Programs
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Maryland Physicians Care
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • MedStar Family Choice
  • Priority Partners
  • Riverside Health
  • Trusted Health Plan
  • UnitedHealthcare
  • University of Maryland Health Partners

Medical Specialties

Dr. Andrew Michael Keenan has the following 2 specialties

Specialty Expertise

Dr. Andrew Michael Keenan has the following 2 areas of expertise

  • Nuclear Medicine
  • Nuclear Radiology

Certifications, License, & Education

50 Years Experience

Dr. Andrew Michael Keenan holds an active medical license in the states of Maryland and District Of Columbia.

Medical License

Medical Doctor with an active medical license in the state of Maryland that expires in 2026 and an active medical license in the state of District Of Columbia that expires in 2027.

Education & Training

Residency

Completed their residency at Washington Hospital.

Medical School

Graduated from George Washington University School Of Medicine & Health Sciences in 1976.

NPI Number

Dr. Keenan's NPI number is 1467405175.

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Frequently Asked Questions

How can I make an appointment with Dr. Andrew Keenan?
You can find contact information for Dr. Andrew Keenan here on Vitals.
Where is Dr. Andrew Keenan's office located?
Dr. Andrew Keenan's office is located at 110 Irving St Nw, Washington, DC, 20010.
Does Dr. Andrew Keenan accept my insurance?
You can see the insurance plans that Dr. Andrew Keenan accepts on their Vitals profile.
Does Dr. Andrew Keenan accept virtual/telehealth appointments?
Dr. Andrew Keenan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Andrew Keenan accepting new patients?
Dr. Andrew Keenan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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