Karl Diehn, MD

Ear, Nose & Throat Doctor

433.7 mi · 6565 N Charles St, Baltimore, MD 21204

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At a glance

4.30 stars (1 review)

86% are satisfied with this provider ·

Accepts 3 insurances

Anthem Blue Cross Blue Shield, Blue Cross Blue Shield of Illinois, Blue Cross Blue Shield of Texas, more+ ·

Has 20+ years of experience

Graduated from University Of Maryland School Of Medicine

Affiliated with Greater Baltimore Medical Center

Patient review summary

4.30

Dr. Diehn's reviews reveal a mix of positive and negative experiences from patients. On the positive side, he is praised for his professionalism, respect, and the compassionate care he provided. Reviewers appreciated his attentive listening, thorough examinations, and the calming presence he brought to their medical situations. Notably, Dr. Diehn was commended for his effective treatment and the significant improvement it brought to patients' quality of life, as well as his respectful interaction with both patients and their families. However, there are also concerns about his practice. Some patients reported dissatisfaction with his communication and diagnostic clarity. Specific issues included long wait times, perceived rushed consultations, and unhelpful responses to questions. One review highlighted frustration with his approach to a child's potential surgical procedure, where the lack of detailed discussion and definitive diagnosis left the family feeling uncertain. Despite these criticisms, his overall demeanor and the support from his staff, including a nurse practitioner and secretary, were noted positively in other reviews. The above is a summary of provider feedback collected from external public sources.

The above is a summary of provider feedback collected from external public sources

Office locations

Karl Diehn, MD

433.7 mi · 6565 N Charles St, Baltimore, MD, 21204

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In-network insurances

BlueCross BlueShield

Popular visit reasons

Deviated Septum

Ear Pain

Hearing Problems

Nasal Congestion

Ringing in Ears

Sinus Problems / Sinusitis

Snoring

Vertigo

Deviated Septum

Ear Pain

Hearing Problems

Nasal Congestion

More about Karl Diehn, MD

Dr. Karl Diehn is an ear, nose, and throat doctor and head and neck surgeon based in Baltimore, MD. He is affiliated with the Greater Baltimore Medical Center, where he provides specialized care to patients dealing with a range of conditions. Dr. Diehn completed his medical degree and his internal medicine internship from the University of Maryland. Subsequently, he completed an otolaryngology and head and neck surgery residency program at Johns Hopkins Hospital and a residency in surgery at MedStar Health. Dr. Diehn is also an active member of the American College of Surgeons and the American Academy of Otolaryngology-Head and Neck Surgery. His certification from the American Board of Otolaryngology-Head and Neck Surgery further supports his clinical expertise. In addition to his clinical work, Dr. Diehn has contributed to medical literature with significant publications, including "Rhabdomyosarcoma of the Larynx: A Case Report and Review of the Literature" and "Sclerosteosis Involving the Temporal Bone: Clinical and Radiologic Aspects."

Education & experience

Education

University Of Maryland School Of Medicine, Medical School, 1975

Johns Hopkins Hospital, Residency

Affiliation

Greater Baltimore Medical Center

Certifications

American Board of Otolaryngology - Head and Neck Surgery

License

MD State Medical License active through September 2026 #D19874

Professional memberships

American College of Surgeons

American Academy of Otolaryngology–Head and Neck Surgery

Awards and publications

Rhabdomyosarcoma of the larynx: A case report and review of the literature Karl W. Diehn, Vincent J. Hyams, Anthony E. Harris

Sclerosteosis involving the temporal bone: clinical and radiologic aspects. George T. Nager, Stuart A. Stein, John P. Dorst, Michael J. Holliday, David W. Kennedy, Karl W. Diehn, Ethylin Wang Jabs

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