Nancy Field, D.O.
NPI 1427090653 · Adolescent Medicine (Internal Medicine) Physician · Oak Brook, IL
Nancy Field, D.O. is a Adolescent Medicine (Internal Medicine) Physician provider in Oak Brook, IL (NPI 1427090653).
Provider details
- NPI number
- 1427090653
- Entity type
- Individual
- Primary specialty
- Adolescent Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
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
83% 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
- 2006-06-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Field's NPI number?
- Nancy Field's National Provider Identifier (NPI) is 1427090653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Field's specialty?
- Nancy Field is listed in the NPPES registry with a primary specialty of Adolescent Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Field located?
- Nancy Field's practice location on file with NPPES is 900 Jorie Blvd, Oak Brook, IL 60523-2213.
- What is Nancy Field's phone number?
- The practice phone number listed in the NPPES registry for Nancy Field is (630) 954-6700.
- Is Nancy Field's NPI active?
- Yes — Nancy Field's NPI (1427090653) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.