Mary-Katherine Slattery Butler

Physician Assistant

Mary-Katherine Slattery Butler is a Physician Assistant based in Chicago, IL with over 8 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(312) 695-6800Chicago, IL
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Mary-Katherine Slattery Butler has been part of the Chicago medical community since 2018 in group practice. With 8+ years of experience, she has been practicing in the Chicago area. Among her Medicare patients, common conditions include arthritis, high cholesterol, and hypertension (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 Chicago8+ years experienceNPI since 2018

Recent · 62dNPPES updated 2026-03-27 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical

Contact & Location

Practice Location

259 E Erie St Fl 13, Chicago, IL 60611-3926

Fax: (312) 472-4877
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.

Opioid Rx

↓ Lower = better

22.95%

Illinois avg: 4.5 · US avg: 5.1

Lower than most doctors nationally(+17.9 pts)

22.95% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Medicare Patients

99

Unique beneficiaries

Standard volume

Prescription Recipients

137

Patients prescribed

Prescriptions Written

292

Total claims

Total Medicare drug cost: $4k

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 Arthritis, High Cholesterol, and Hypertension.

Arthritis
Higher than avg (+26%)75%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+26%) — a focus area for this doctor

High Cholesterol
Higher than avg (+3%)73%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+3%) — a focus area for this doctor

Hypertension
Lower than avg (-5%)65%

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

US avg: 70.2%

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

Osteoporosis
Higher than avg (+10%)28%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+10%) — a focus area for this doctor

Mood Disorders
26%

Conditions affecting emotional state, including depression and bipolar disorder

Ischemic Heart Disease
Lower than avg (-7%)25%

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

US avg: 31.7%

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

Cancer
Higher than avg (+1%)22%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+1%) — a focus area for this doctor

Depression
Lower than avg (-11%)21%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-11%) — 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. Board certified · Mar 26, 2026

    Self-reported via NPPES

  2. 8 years in practice

    Established

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 Mary-Katherine Slattery Butler

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

Schedule a virtual visit with Mary-Katherine Slattery Butler for arthritis follow-ups, cholesterol management, blood pressure monitoring — 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 Mary-Katherine Slattery Butler

Dr. Butler 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) 695-6800.

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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