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Mark A Dettelbach, M.D.

Photo of Dr. Mark A Dettelbach, M.D.


Otolaryngology (ENT), Otology, Pediatrics, Sinus Problems, Snoring Disorders


Feldman ENT Group

Appointment Phone: 301-652-8847
5454 Wisconsin Ave
Ste 1535
Chevy Chase, MD 20815 map
Phone: 301-652-8847 | Fax: 301-652-8320

Feldman ENT Group

1145 19th St NW
Washington, DC 20036 map
Phone: 202-466-7747 | Fax: 202-331-1656


Dr. Mark A. Dettelbach is an otolaryngologist affiliated with Sibley Memorial Hospital, Children’s National Medical Center, Washington Hospital Center and Georgetown University Hospital, where he is an associate clinical professor. Dr. Dettelbach is certified in otolaryngology by the American Board of Otolaryngology. He practices out of Feldman ENT Group in Washington, D.C. and Chevy Chase, Md.

Dr. Dettelbach has an expertise in pediatric ENT, otology, sinuses and snoring disorders. 

Dr. Dettelbach earned his medical degree from Yale University School of Medicine. He completed a residency in otolaryngology at the University of Pittsburgh Medical Center. 

Dr. Dettelbach is a fellow of the American College of Surgeons and the American Academy of Otolaryngology-Head and Neck Surgery, as well as a member of the American Academy of Otolaryngology and Osler Medical Society. He was previously the president of the Jacobi Medical Society. more

Departments / Divisions

  • Surgery at Sibley Memorial Hospital



  • MD, Yale School of Medicine (1990)


  • University of Pittsburgh Medical Center / Otolaryngology (1995)

Board Certifications

  • American Board of Otolaryngology - Head and Neck Surgery / Otolaryngology (1996)

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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