ERIN WILLIAMS (FNP-C) – Nurse Practitioner, NPI 1093485948

ERIN WILLIAMS (FNP-C) is a healthcare provider. based in Crystal lake, Illinois. specializing in NURSE PRACTITIONER. They hold the professional credentials FNP-C. They hold a License No. 209021276 (IL). The NPI Number for ERIN WILLIAMS (FNP-C) is 1093485948

Main info

Female
Sole Proprietor
7 Years Of Experience
Accepts Medicare Assignment
Name
ERIN WILLIAMS (FNP-C)
NPI
1093485948
Phone
(815) 356-0386
Address
1305 RANDALL RD
Enumeration Date
13 September 2021
Last Update Date
13 September 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8884287890
Graduation Year
2019 (7 years ago)
PAC ID
8729478078
Group Practice PAC ID
3971963901
Professional Enrollment ID
I20211201001455
Address ID
IL605441868PL15025STXX501
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience37
Completeness75
Years active:4State licenses:1Digital endpointsOther names

11,632 NURSE PRACTITIONER in IL

Provider Addresses for ERIN WILLIAMS (FNP-C)

  • 1305 RANDALL RD

    CRYSTAL LAKE, IL 600148601

    Phone: (815) 356-0386

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 13 Open Payments records for all available years, with a total value of $544.

Total Amount is formed as General ($544) + Research ($0) + Ownership ($0) = $544.

Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($295).

Total Amount

$544

General + Research + Ownership

Payments

13

Total payment records

General Amount

$544

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-19

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2021-12-01

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20211201001455INurse PractitionerILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60014)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3971963901View full group profile
NameSpecialtyState
Mental Health CounselorIL
Mental Health CounselorIL
Clinical PsychologistIL
Mental Health CounselorIL
Clinical PsychologistIL
Mental Health CounselorIL
Clinical Social WorkerNM
Clinical Social WorkerIL
Nurse PractitionerIL
Clinical Social WorkerIL

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What unique ID ties claims to ERIN WILLIAMS (FNP-C)?
NPI 1093485948 is assigned to ERIN WILLIAMS (FNP-C) under the national enumeration system.
Is ERIN WILLIAMS (FNP-C) currently active in the NPI registry?
CMS-published data lists ERIN WILLIAMS (FNP-C) as an active registrant.
What field does ERIN WILLIAMS (FNP-C) work in?
You can think of ERIN WILLIAMS (FNP-C) as practicing within Nurse Practitioner. Clinical services aligned with this taxonomy classification.
What location shows for ERIN WILLIAMS (FNP-C)?
We surface Crystal Lake, Illinois for ERIN WILLIAMS (FNP-C) based on available NPPES addresses.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

Similar Providers

ASHLEY COCHRAN (F.N.P.)

Nurse Practitioner
170 NORTH LAKEWOOD ROAD
NPI: 1245239912

SANDRA JAESCHKE (CNP)

Nurse Practitioner
Crystal Lake, Willington, Tolland County, Connecticut, 06075, United States
NPI: 1003815770

VALERIE D MILBORN (CNP)

Family Nurse Practitioner
Haligus Road, Huntley, McHenry County, Illinois, 60142, United States
NPI: 1992704662
Centegra Hospital-Woodstock, 3701, Doty Road, Woodstock, McHenry County, Illinois, 60098, United States
NPI: 1942209622

JASON A CARMAN (DNP)

Family Nurse Practitioner
Crystal Lake, Willington, Tolland County, Connecticut, 06075, United States
NPI: 1174522825

CAROL PERENCHIO (NP)

Nurse Practitioner
480, East Broadway Avenue, Crystal Lake, McHenry County, Illinois, 60014, United States
NPI: 1306845789

JILL MARIE BEHM (APRN, CNP)

Nurse Practitioner
525 E CONGRESS PKWY STE 300
NPI: 1083658082

AMANDA M LAW (APRN, CNP)

Nurse Practitioner
360 Station Dr
NPI: 1558380634