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

Gerald M O'Brien, MD

Individual provider Pulmonary Disease Physician · NPI 1215980313

Gerald M O'Brien, MD is a Pulmonary Disease Physician in Newark, Delaware. Licensed in Delaware. Registered with an NPI since 2006.

Licensed in
DE
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4745 Ogletown Stanton Rd Ste 220
Newark, DE 19713-2067
Phone: (302) 368-5515
Fax: (302) 366-1240
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence C10006061 (DE)

Record details

NPI number1215980313
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESSeptember 2, 2010
Mailing address4745 Ogletown Stanton Rd, Suite 220, Newark, DE 19713-2067

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