NICKOLAS A WILLIAMS PA-C
NPI 1548558950
Physician Assistant in Effingham, IL

Active since July 19, 2011PECOS EnrolledAccepts Medicare Assignment
91.8/100
CMS Quality Rating
1303 W EVERGREEN AVE STE 200, EFFINGHAM, IL 62401(217) 342-3400(217) 342-3477 Get Directions Write a Review

NPPES record last updated: February 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 28, 2025, Jan 27, 2022, Mar 17, 2020 and 4 more (7 updates tracked since 2016).

About Nickolas A Williams Pa-c NPPES

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

NICKOLAS A WILLIAMS PA-C (NPI 1548558950) is an individual physician assistant in Effingham, Illinois, licensed in Illinois (085004069) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with Herrin Hospital, and maintains a secondary practice location in Mount Vernon.

NPPES Registry Identity

NPI1548558950
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameNICKOLAS A WILLIAMSCredential: PA-C
Location Address1303 W EVERGREEN AVE STE 200Effingham, IL 62401-1638
Mailing AddressPo Box 372Mattoon, IL 61938-0372
Fax(217) 342-3477
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2011
Enumeration DateJuly 19, 2011
Last NPPES UpdateFebruary 28, 20257 updates tracked since enumeration
NPPES CertifiedFebruary 28, 2025
NPI 1548558950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in IL · 085004069
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 085004069 (IL)
1303 W EVERGREEN AVE STE 200, Effingham, IL 62401

Secondary Practice Location 1

Location 11007 S 42nd St Ste 1Mount Vernon, IL 62864-6217 · Phone (217) 342-3400 · Fax (217) 342-6417

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

Nickolas A Williams Pa-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 ID9537338280
PECOS Enrollment IDI20110815000101
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 10

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
352 services290 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
165 services111 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
124 services124 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
115 services110 patients
Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
95 services90 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
58 services58 patients

Hospital Affiliations CMS Care Compare 5

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

Herrin Hospital

Acute Care Hospitals · Herrin, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140011
Location201 S 14th StHerrin, IL 62948 · Williamson 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

Sarah Bush Lincoln Health Center

Acute Care Hospitals · Mattoon, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140189
Location1000 Health Center Drive P O Box 372Mattoon, IL 61938 · Coles County
Emergency services Birthing friendly

Crossroads Community Hospital

Acute Care Hospitals · Mount Vernon, IL
OwnershipProprietary
CMS Certification Number140294
Location8 Doctors Park RdMount Vernon, IL 62864 · Jefferson County
Emergency services

Marshall Browning Hospital

Critical Access Hospitals · Du Quoin, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141331
Location900 North Washington StreetDu Quoin, IL 62832 · Perry County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62401 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
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.8/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.59
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
99%1,552 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
90%712 patients3/55-star benchmark: 99%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
75%422 patients4/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
97%663 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
61%1,167 patients3/55-star benchmark: 97%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
88%434 patients4/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
58%784 patients3/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
95%189 patients5/55-star benchmark: 88%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 58% · 213 patients
60%214 patients
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
77%1,167 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
0%1,167 patients1/55-star benchmark: 89%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 434 patients
3%434 patients4/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
3%1,167 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
10 suppliers16 claims16 services$61.00 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

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

Orthopaedic Surgery
1303 W EVERGREEN AVE STE 200
EFFINGHAM, IL 62401
Orthopaedic Surgery
1303 W EVERGREEN AVE STE 200
EFFINGHAM, IL 62401
Nurse Practitioner (Family)
1303 W EVERGREEN AVE STE 200
EFFINGHAM, IL 62401
Orthopaedic Surgery
1303 W EVERGREEN AVE STE 200
EFFINGHAM, IL 62401
Nurse Practitioner (Family)
1303 W EVERGREEN AVE STE 200
EFFINGHAM, IL 62401
Orthopaedic Surgery
1303 W EVERGREEN AVE STE 200
EFFINGHAM, IL 62401
Physician Assistant
1303 W EVERGREEN AVE STE 200
EFFINGHAM, IL 62401
Orthopaedic Surgery
1303 W EVERGREEN AVE STE 200
EFFINGHAM, IL 62401

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 Nickolas Williams's NPI number?

The NPI number for Nickolas Williams is 1548558950. It was assigned to this individual provider in the NPPES registry on July 19, 2011.

Where is Nickolas Williams located?

Nickolas Williams practices at 1303 W Evergreen Ave Ste 200, Effingham, IL 62401. The listed phone number is (217) 342-3400.

What is Nickolas Williams's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Nickolas Williams enrolled in Medicare?

Yes. Nickolas 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.

Is Nickolas Williams affiliated with any hospitals?

According to CMS data, Nickolas Williams is affiliated with Herrin Hospital, Good Samaritan Regional Hlth Center, Sarah Bush Lincoln Health Center, Crossroads Community Hospital and Marshall Browning Hospital.

When was this NPI record last updated?

The NPPES record for Nickolas Williams was last updated on February 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.