Mario Him Ming Chan, M.D.

Endocrinology, Diabetes & Metabolism

Internal Medicine

(847) 228-3200Arlington Heights, IL
Telehealth Available
NPI Active per CMS — Q2 2026

Mario Chan, M.D. has practiced internal medicine for 37+ years, working in group practice. He has been in practice for 37+ years. Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, and more.

1 of 169 Internal Medicine providers in ILSee all Internal Medicine in Arlington Heights37+ years experienceNPI since 2007

Data updated 2012-06-11 on CMS NPPES

Contact & Location

Practice Location

2101 S Arlington Heights Rd 111, Arlington Heights, IL 60005-4185

Fax: (847) 228-3740

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Background & Specialty

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

Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).

Taxonomy: 207RE0101X

Virtual Endocrinology, Diabetes & Metabolism Care With Mario Chan

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

Schedule a virtual visit with Mario Chan for follow-ups, medication reviews, and ongoing care — no travel to Arlington Heights required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Mario Chan

NPI records show Dr. Chan as active with telehealth listed in Arlington Heights, IL. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (847) 228-3200.

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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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