ERIN WILLIAMS FNP-C
NPI 1093485948
Nurse Practitioner in Crystal Lake, IL

Q: What is Erin Williams's NPI number?

The NPI number for Erin Williams is 1093485948. It was assigned to this individual provider in the NPPES registry on September 13, 2021.

Q: What is Erin Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Erin Williams was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 13, 2021PECOS EnrolledAccepts Medicare Assignment

1305 RANDALL RD, CRYSTAL LAKE, IL 60014(815) 356-0386 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Erin Williams Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERIN WILLIAMS FNP-C (NPI 1093485948) is an individual nurse practitioner in Crystal Lake, Illinois, licensed in Illinois (209021276) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1093485948

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameERIN WILLIAMSCredential: FNP-C

Location Address1305 RANDALL RDCrystal Lake, IL 60014-8601

Mailing Address1305 Randall RdCrystal Lake, IL 60014-8601 · (815) 356-0386

Phone(815) 356-0386

Sole ProprietorYes

Medical School CMSOtherGraduated 2019

Enumeration DateSeptember 13, 2021

NPPES CertifiedSeptember 13, 2021

✔ NPI 1093485948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209021276

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209021276 (IL)

1305 RANDALL RD, Crystal Lake, IL 60014

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Erin Williams Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729478078

PECOS Enrollment IDI20211201001455

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60014 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.71 typical visit price

range $54.80 – $168.44

Typical copayment $21.42 (range $13.70 – $42.11)

Most-billed visit code 99203

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELISA PARK

Pharmacist