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MRS. LESLIE ANN WILLIAMS FNP
NPI 1962647149
Nurse Practitioner - Family in Centralia, IL

Active since December 02, 2008PECOS EnrolledAccepts Medicare Assignment
1998 STATE ROUTE 161, CENTRALIA, IL 62801(618) 339-2114 Get Directions Write a Review

NPPES record last updated: February 4, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Leslie Ann Williams Fnp NPPES

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

MRS. LESLIE ANN WILLIAMS FNP (NPI 1962647149) is an individual family provider in Centralia, Illinois, licensed in Illinois (277000097) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1962647149
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. LESLIE ANN WILLIAMSCredential: FNP
Location Address1998 STATE ROUTE 161Centralia, IL 62801-6754
Mailing Address1998 State Route 161Centralia, IL 62801-6754 · (618) 339-2114
Phone(618) 339-2114
Sole ProprietorYes
Medical School CMSOtherGraduated 2008
Enumeration DateDecember 2, 2008
Last NPPES UpdateFebruary 4, 2022
NPPES CertifiedFebruary 4, 2022
✔ NPI 1962647149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 277000097
1998 STATE ROUTE 161, Centralia, IL 62801
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Other Identifiers 1

Other209007351IL · Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Sanford Health Plan, UnitedHealthcare.Insurance ›

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

Mrs. Leslie Ann Williams Fnp 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 ID143368498
PECOS Enrollment IDI20091106000510
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
213 services198 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
120 services117 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
15 services15 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health St Mary's Hospital -Centralia

Acute Care Hospitals · Centralia, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140034
Location400 North Pleasant AvenueCentralia, IL 62801 · Marion County
Emergency services

Good Samaritan Regional Hlth Center

Acute Care Hospitals · Mount Vernon, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140046
Location1 Good Samaritan WayMount Vernon, IL 62864 · Jefferson County
Emergency services Birthing friendly

Washington County Hospital

Critical Access Hospitals · Nashville, IL
OwnershipGovernment - Hospital District or Authority
CMS Certification Number141308
Location705 S Grand AveNashville, IL 62263 · Washington County
Emergency services

Chi Mercy Health

Critical Access Hospitals · Valley City, ND
OwnershipVoluntary non-profit - Church
CMS Certification Number351324
Location570 Chautauqua BlvdValley City, ND 58072 · Barnes County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62801 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.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leslie Williams's NPI number?

The NPI number for Leslie Williams is 1962647149. It was assigned to this individual provider in the NPPES registry on December 2, 2008.

Where is Leslie Williams located?

Leslie Williams practices at 1998 State Route 161, Centralia, IL 62801. The listed phone number is (618) 339-2114.

What is Leslie Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Leslie Williams enrolled in Medicare?

Yes. Leslie Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Leslie Williams accept?

Health plans from Medica, Sanford Health Plan and UnitedHealthcare list Leslie Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Leslie Williams affiliated with any hospitals?

According to CMS data, Leslie Williams is affiliated with Ssm Health St Mary's Hospital -Centralia, Good Samaritan Regional Hlth Center, Washington County Hospital and Chi Mercy Health.

When was this NPI record last updated?

The NPPES record for Leslie Williams was last updated on February 4, 2022. 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.