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Dr. Janet O'Mahony, MD

Dr. Janet O'Mahony, MD

Age 53 Internal Medicine F
(9) 9 reviews

Telehealth available


Dr. Janet O'Mahony, MD is a internal medicine specialist in Baltimore, MD. Dr. O'Mahony completed a residency at U Maryland Med Ctr. She currently practices at Heartfelt Medical Group LLC and is affiliated with Johns Hopkins Bayview Medical Center. She accepts multiple insurance plans. Dr. O'Mahony is board certified in Internal Medicine.


  • U Maryland Med Ctr, Residency Hospital — 1994
  • U Maryland Med Ctr, Internship Hospital — 1992
  • University Of Maryland School Of Medicine, Medical School — 1991

Insurance Accepted

  • Aetna
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

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  1. Practice

    1. 1
      Heartfelt Medical Group LLC
      301 Saint Paul St Ste 519, Baltimore, MD 21202 Existing Patients: (410) 332-7920
    2. 2
      Mercy Medical Center
      301 Saint Paul St, Baltimore, MD 21202 Existing Patients: (410) 951-7920

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I have been going to Dr. O'Mahony for over 15 years and she is the best . Knows her patience and is always available. Her staff is outstanding. They know you by name and will make sure you get the best treatment always. I would be lost if I had chose another doctor.
Valerie Mckeever in Baltimore, Maryland — May 04, 2018
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Photo: Dr. Janet O'Mahony, MD
Dr. Janet O'Mahony, MD
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Frequently Asked Questions

Dr. O'Mahony frequently treats All Headaches (incl. Migraine), Headache, and Bladder Infection.  

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Hospital Affiliations

  • Johns Hopkins Bayview Medical Center