Yvonne Oldaker, CNM/APRN-FPA
NPI 1659757888 · Nurse Practitioner · Flossmoor, IL
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvonne Oldaker, CNM/APRN-FPA is a Nurse Practitioner provider in Flossmoor, IL (NPI 1659757888).
Provider details
- NPI number
- 1659757888
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM/APRN-FPA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Advanced Practice Midwife367A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,623 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-08-11
- Last updated
- 2025-01-14
- Certified
- 2025-01-14
Frequently asked questions
- What is Yvonne Oldaker's NPI number?
- Yvonne Oldaker's National Provider Identifier (NPI) is 1659757888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonne Oldaker's specialty?
- Yvonne Oldaker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yvonne Oldaker located?
- Yvonne Oldaker's practice location on file with NPPES is 19831 Governors Hwy, Flossmoor, IL 60422-2001.
- What is Yvonne Oldaker's phone number?
- The practice phone number listed in the NPPES registry for Yvonne Oldaker is (312) 592-6800.
- Does Yvonne Oldaker accept Medicare?
- Yvonne Oldaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yvonne Oldaker's NPI active?
- Yes — Yvonne Oldaker's NPI (1659757888) is active in the NPPES registry as of the last update on 2025-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.