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

Drs Sherman and O'Brien PA

Organization Allergy & Immunology Physician · NPI 1265612535

Drs Sherman and O'Brien PA is an Allergy & Immunology Physician in Baltimore, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

6810 Park Heights Ave
Baltimore, MD 21215-1641
Phone: (410) 358-3000
Fax: (410) 358-3146
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence D21916 (MD)

Record details

NPI number1265612535
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sean O'Brien — President/Physician · (410) 358-3000
NPI enumeratedNovember 5, 2007
Last updated in NPPESNovember 5, 2007
Mailing address6810 Park Heights Ave, Baltimore, MD 21215-1641

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