Wendy Frederick, PA-C
NPI 1811198690 · Physician Assistant · Libertyville, IL
Wendy Frederick, PA-C is a Physician Assistant provider in Libertyville, IL (NPI 1811198690).
Provider details
- NPI number
- 1811198690
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 085002199 (IL)
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness33% of score
100% 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.
$137 across 2 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
- 2007-05-30
- Last updated
- 2018-11-30
Frequently asked questions
- What is Wendy Frederick's NPI number?
- Wendy Frederick's National Provider Identifier (NPI) is 1811198690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Frederick's specialty?
- Wendy Frederick is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Wendy Frederick located?
- Wendy Frederick's practice location on file with NPPES is 904 S Milwaukee Ave Ste B, Libertyville, IL 60048-3215.
- What is Wendy Frederick's phone number?
- The practice phone number listed in the NPPES registry for Wendy Frederick is (847) 990-7220.
- Is Wendy Frederick's NPI active?
- Yes — Wendy Frederick's NPI (1811198690) is active in the NPPES registry as of the last update on 2018-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.