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

Barbara Neilan, MD

Individual provider Hematology & Oncology Physician · NPI 1588614697

Barbara Neilan, MD is a Hematology & Oncology 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

4701 Ogletown Stanton Rd Ste 2400
Newark, DE 19713-2055
Phone: (302) 731-7782
Fax: (302) 738-5917
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence C10005770 (DE)

Record details

NPI number1588614697
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2006
Last updated in NPPESJune 9, 2009

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