Barbara Neilan, M.D.
NPI 1588614697 · Hematology & Oncology Physician · Newark, DE
Barbara Neilan, M.D. is a Hematology & Oncology Physician provider in Newark, DE (NPI 1588614697).
Provider details
- NPI number
- 1588614697
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C10005770 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2009-06-09
Frequently asked questions
- What is Barbara Neilan's NPI number?
- Barbara Neilan's National Provider Identifier (NPI) is 1588614697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Neilan's specialty?
- Barbara Neilan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Neilan located?
- Barbara Neilan's practice location on file with NPPES is 4701 Ogletown Stanton Rd, Newark, DE 19713-2055.
- What is Barbara Neilan's phone number?
- The practice phone number listed in the NPPES registry for Barbara Neilan is (302) 731-7782.
- Is Barbara Neilan's NPI active?
- Yes — Barbara Neilan's NPI (1588614697) is active in the NPPES registry as of the last update on 2009-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.