Ellen Gaynor, MD
NPI 1225015589 · Hematology & Oncology Physician · Maywood, IL
Ellen Gaynor, MD is a Hematology & Oncology Physician provider in Maywood, IL (NPI 1225015589).
Provider details
- NPI number
- 1225015589
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 36060577 (IL)
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
- 2005-12-28
- Last updated
- 2009-09-15
Frequently asked questions
- What is Ellen Gaynor's NPI number?
- Ellen Gaynor's National Provider Identifier (NPI) is 1225015589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Gaynor's specialty?
- Ellen Gaynor is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Gaynor located?
- Ellen Gaynor's practice location on file with NPPES is 2160 S First Ave, Maywood, IL 60153.
- What is Ellen Gaynor's phone number?
- The practice phone number listed in the NPPES registry for Ellen Gaynor is (708) 216-3304.
- Is Ellen Gaynor's NPI active?
- Yes — Ellen Gaynor's NPI (1225015589) is active in the NPPES registry as of the last update on 2009-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.