Dr. Patrick O'Neil
About This Business
Dr. Patrick O'Neil is a family medicine physician in Frederick, Maryland, in practice for 15 years since graduating from the University of California, Geffen School of Medicine in 2011. He holds active licenses in Nebraska, West Virginia, and Maryland and has been registered with the national provider registry since 2011. He is one of twenty-two family medicine physicians among the 102 Frederick doctors in our directory. His Medicare profile lists removal of tissue, removal of skin lesions, and skin biopsy among his most frequent procedures. He is affiliated with Frederick Health Hospital. He accepts Medicare and offers telehealth, one of 20 city doctors in our directory offering both.
Verified Provider Info
- Specialty (per registry)
- Family Medicine
- NPI Number
- 1033400379
- Medical school graduate
- 2011 (15+ years of practice)
- Medical school
- UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
- State license
- 27142 (NE), 28880 (WV), D86578 (MD)
- Hospital affiliations
- Frederick Health Hospital
- Common services (Medicare data)
- Removal of tissue · Removal of skin lesions · Skin biopsy
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
Phone
(301) 834-7188Location on Map
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Information last updated: August 23, 2026
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