Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Joseph Francis O'Neill, MD

Individual provider Internal Medicine Physician · NPI 1528495629

Dr. Joseph Francis O'Neill, MD is an Internal Medicine Physician in Baltimore, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

600 N Wolfe St Blalock 371
Baltimore, MD 21287-0005
Phone: (410) 955-2097
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D39536 (MD)

Record details

NPI number1528495629
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 3, 2013
Last updated in NPPESMay 21, 2014

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