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
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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
Mailing address4701 Ogletown Stanton Rd, Suite 2400, Newark, DE 19713-2055

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