Titus Chang, M.D.

Allergy & Immunology

Titus Chang is an Allergy & Immunology specialist based in Aurora, IL with over 26 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(630) 859-6700Aurora, IL
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

With over 26 years in allergy & immunology, Titus Chang, M.D. is a long-established allergy & immunology specialist in Aurora. A University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) graduate since 2000, he brings 26+ years of experience. CMS Medicare data shows his patients commonly have high cholesterol, hypertension, and arthritis.

1 of 31 Allergy & Immunology providers in ILSee all Allergy & Immunology in Aurora26+ years experienceNPI since 2006

Older · 1599dNPPES updated 2022-01-05 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical

Contact & Location

Practice Location

2285 Sequoia Dr, Aurora, IL 60506-6209

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

164

Unique beneficiaries

Standard volume

Prescription Recipients

258

Patients prescribed

Prescriptions Written

1,783

Total claims

Total Medicare drug cost: $900k

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
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Hypertension
73%

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

Arthritis
59%

Joint inflammation causing pain, swelling, and stiffness

Asthma
50%

A condition causing airway inflammation, wheezing, and difficulty breathing

Ischemic Heart Disease
28%

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

Diabetes
27%

A condition where the body cannot properly regulate blood sugar levels

COPD
25%

Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow

Osteoporosis
25%

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

GeneralBehavioralNational avg

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

Industry Payment Transparency

$57 received from industry

4 transactions reported in 2018 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Titus Chang's NPI.

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 2000

    University of Illinois College of Medicine

  2. Board certified · Jan 4, 2022

    Self-reported via NPPES

  3. 26 years in practice

    Experienced

Allergy & ImmunologyAllopathic & Osteopathic Physicians

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Taxonomy: 207K00000X

Education & Training

University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (Class of 2000)

Practice Footprint

Mailing address

2357 Sequoia Dr, Aurora, IL 60506-6222

Differs from practice location

Virtual Allergy & Immunology Care With Titus Chang

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

Schedule a virtual visit with Titus Chang for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Aurora 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 Titus Chang

NPI records show Dr. Chang as active with telehealth listed in Aurora, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (630) 859-6700.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · 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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