Guerin T Williams, PA

Physician Assistant

Guerin T Williams is a Physician Assistant based in Chicago, IL with over 22 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(312) 695-9797Chicago, IL
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Guerin T Williams, PA has been part of the Chicago medical community since 2007 in group practice. With 22+ years of experience, he has been practicing in the Chicago area. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data). CMS MIPS quality score: 94.1/100 (2023).

At a glance

  • Federal MIPS score higher than 46% of MIPS-scored doctors in Illinois
  • Virtual visits available — no app or travel required
1 of 503 Physician Assistant providers in ILSee all Physician Assistant in Chicago22+ years experienceNPI since 2007

Older · 6704dNPPES updated 2008-01-18 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical

Contact & Location

Practice Location

680 N Lake Shore Dr Suite 1000, Chicago, IL 60611-4546

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in Illinois.

MIPS Score

2023

94.1/100

Illinois avg: 88.6 · US avg: 83.6

Higher than most doctors nationally(+10.5 pts)

Average range among MIPS-scored doctors in Illinois

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

75.8%

Illinois avg: 82.9 · US avg: 82.8

Lower than most doctors nationally(-7 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

297

Unique beneficiaries

Standard volume

Prescription Recipients

176

Patients prescribed

Prescriptions Written

450

Total claims

Total Medicare drug cost: $86k

Percentile rankings compared against 2,844 reporting peers in Illinois.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Hypertension
Higher than avg (+2%)72%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+2%) — a focus area for this doctor

Arthritis
Lower than avg (-7%)42%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-7%) — less common here

Ischemic Heart Disease
32%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%
Diabetes
Lower than avg (-4%)30%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-4%) — less common here

Chronic Kidney Disease
Lower than avg (-5%)25%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↓ Fewer patients than average (-5%) — less common here

Atrial Fibrillation
Lower than avg (-1%)21%

An irregular, often rapid heartbeat that increases the risk of stroke

US avg: 22%

↓ Fewer patients than average (-1%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 22 years in practice

    Experienced

Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers

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.

Taxonomy: 363A00000X

Virtual Medical Care With Guerin T Williams

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Guerin T Williams for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Chicago required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Guerin T Williams

Dr. Williams is listed as active in the NPI registry with telehealth listed in Chicago, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (312) 695-9797.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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