Janet O'Mahony, M.D.
Verified Provider Info
- Specialty (per registry)
- Internal Medicine
- NPI Number
- 1538107073
- Medical school graduate
- 1991 (35+ years of practice)
- Medical school
- UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
- State license
- D0046389 (MD)
- Hospital affiliations
- Mercy Medical Center Inc
- Quality score (CMS MIPS)
- 86/100
Accepts MedicareTelehealth available
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
Phone
(410) 951-7920Location on Map
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Information last updated: August 21, 2026
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