Overview
Mario H. Chan, MD, is an independent endocrinologist at Ascension Illinois in Arlington Heights near Chicago, Illinois. Dr. Chan diagnoses and treats endocrine disorders such as diabetes and thyroid conditions. He delivers personalized care to help you manage your diabetes or endocrine disorder. Dr. Chan takes the time to explain your diagnosis and answer your questions.
Dr. Chan is highly rated in 26 conditions, according to our data. His clinical expertise encompasses Hypothyroidism, Obesity in Children, Thyroid Storm, and Hashimoto Thyroiditis.
Dr. Chan is board certified in and The American Board Of Internal Medicine - Endocrinology, Diabetes And Metabolism. He is actively involved in clinical research, participating in 1 clinical trial. Dr. Chan is currently accepting new patients.
Specialties
Licenses
Board Certifications
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- HMO
- INSURANCE PLAN
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MEDICARE MAPD
- OTHER MEDICARE
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
27750 W Il Route 22, Bldg 2-240, Barrington, IL 60010
2101 S Arlington Heights Rd, Ste 111, Arlington Heights, IL 60005
Additional Areas of Focus
Dr. Chan has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Northwestern Medical Faculty Foundation
Mark Molitch is an Endocrinologist practicing medicine in Chicago, Illinois. Dr. Molitch is highly rated in 29 conditions, according to our data. His clinical expertise encompasses Acromegaloid Facial Appearance Syndrome, Hypertrichosis-Acromegaloid Facial Appearance Syndrome, Acromegaly, Diabetic Nephropathy, and Hormone Replacement Therapy (HRT). Dr. Molitch is currently accepting new patients.
Endocrinology - Froedtert Hospital
Dr. Ioachimescu is recognized as an international expert in pituitary disorders, including rare diseases such as acromegaly and Cushing’s disease. After co-founding and directing the Emory Pituitary Center in Atlanta for 16 years, Dr. Ioachimescu joined the faculty at the Medical College of Wisconsin in 2023 with the goal of developing a successful academic multidisciplinary tertiary referral center at Froedtert.Due to her longstanding contribution to clinical care and research, she participated to international consensus guidelines on prolactinoma, Cushing’s disease, acromegaly and genetics of pituitary adenomas. She authored more than 100 publications and presented at national and international meetings such as American Association of Clinical Endocrinology (AACE), Endocrine Society and North American Skull Base Society. She is passionate about clinical research and has an active investigator-initiated portfolio dedicated to personalized treatment of patients with pituitary tumors. She also has a long track record of involvement in multicentric clinical trials that unveiled novel therapies for Cushing’s disease and acromegaly. Dr. Ioachimescu is passionate about medical education, and is currently the Education Oversight Committee chair of AACE, a writer for the Endocrine Self-Assessment Program and an associate editor of Pituitary and Endocrine Reviews journals.Dr. Ioachimescu loves outdoor activities such as hiking and skiing. Dr. Ioachimescu is highly rated in 37 conditions, according to our data. Her clinical expertise encompasses Pituitary Tumor, Prolactinoma, Cushing's disease, Endoscopic Transnasal Transsphenoidal Surgery, and Hormone Replacement Therapy (HRT). Dr. Ioachimescu is board certified in Endocrinology, Diabetes And Metabolism and Internal Medicine. Dr. Ioachimescu is currently accepting new patients.
Endocrinology - Froedtert Hospital
James Findling is an Endocrinologist practicing medicine in Milwaukee, Wisconsin. Dr. Findling is highly rated in 26 conditions, according to our data. His clinical expertise encompasses Cushing's syndrome, Cushing's disease, Addison's Disease, Exogenous Cushing's syndrome, and Hormone Replacement Therapy (HRT). Dr. Findling is board certified in Endocrinology, Diabetes And Metabolism and Internal Medicine. Dr. Findling is currently accepting new patients.
Frequently Asked Questions about Dr. Mario H. Chan
How do I make an appointment with Dr. Mario H. Chan?
You can book an appointment with Dr. Mario H. Chan by calling their office at 847-842-4829. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Mario H. Chan a top-rated expert for Hypothyroidism?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mario H. Chan is classified as an Advanced expert for Hypothyroidism, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Mario H. Chan specialize in?
While Dr. Mario H. Chan is a Endocrinology, they have specific expertise in Hypothyroidism, Obesity in Children, and Thyroid Storm. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Endocrinology.
Does Dr. Mario H. Chan accept my insurance?
Dr. Mario H. Chan accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 847-842-4829 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Addison's DiseaseDr. Chan isAdvanced. Learn about Addison's Disease.
- Adrenal Insufficiency Pediatric
- Anaplastic Thyroid CancerDr. Chan isAdvanced. Learn about Anaplastic Thyroid Cancer.
- Familial Isolated Hyperparathyroidism
- Follicular Thyroid CancerDr. Chan isAdvanced. Learn about Follicular Thyroid Cancer.
- Graves DiseaseDr. Chan isAdvanced. Learn about Graves Disease.
- Hashimoto ThyroiditisDr. Chan isAdvanced. Learn about Hashimoto Thyroiditis.
- HyperparathyroidismDr. Chan isAdvanced. Learn about Hyperparathyroidism.
- HyperthyroidismDr. Chan isAdvanced. Learn about Hyperthyroidism.
- HypothyroidismDr. Chan isAdvanced. Learn about Hypothyroidism.
- Medullary Thyroid CarcinomaDr. Chan isAdvanced. Learn about Medullary Thyroid Carcinoma.
- Neonatal Severe Hyperparathyroidism
- Obesity in ChildrenDr. Chan isAdvanced. Learn about Obesity in Children.
- Osteitis FibrosaDr. Chan isAdvanced. Learn about Osteitis Fibrosa.
- Papillary Thyroid CancerDr. Chan isAdvanced. Learn about Papillary Thyroid Cancer.
- Parathyroid HyperplasiaDr. Chan isAdvanced. Learn about Parathyroid Hyperplasia.
- Peripheral NeuropathyDr. Chan isAdvanced. Learn about Peripheral Neuropathy.
- Pituitary TumorDr. Chan isAdvanced. Learn about Pituitary Tumor.
- ProlactinomaDr. Chan isAdvanced. Learn about Prolactinoma.
- Secondary Adrenal Insufficiency
- Thyroid CancerDr. Chan isAdvanced. Learn about Thyroid Cancer.
- Thyroid StormDr. Chan isAdvanced. Learn about Thyroid Storm.
- Toxic Nodular GoiterDr. Chan isAdvanced. Learn about Toxic Nodular Goiter.
- Triple A SyndromeDr. Chan isAdvanced. Learn about Triple A Syndrome.
- Type 1 Diabetes (T1D)Dr. Chan isAdvanced. Learn about Type 1 Diabetes (T1D).
- Type 2 Diabetes (T2D)Dr. Chan isAdvanced. Learn about Type 2 Diabetes (T2D).
- Experienced
- AcromegalyDr. Chan isExperienced. Learn about Acromegaly.
- Adrenal Gland AdenomaDr. Chan isExperienced. Learn about Adrenal Gland Adenoma.
- Autosomal Dominant HypocalcemiaDr. Chan isExperienced. Learn about Autosomal Dominant Hypocalcemia.
- Congenital Adrenal Hyperplasia (CAH)
- Congenital Lipoid Adrenal Hyperplasia
- Diabetes Insipidus (DI)Dr. Chan isExperienced. Learn about Diabetes Insipidus (DI).
- Diabetic Hyperglycemic Hyperosmolar Syndrome
- Empty Sella SyndromeDr. Chan isExperienced. Learn about Empty Sella Syndrome.
- Familial Glucocorticoid DeficiencyDr. Chan isExperienced. Learn about Familial Glucocorticoid Deficiency.
- Familial HypertriglyceridemiaDr. Chan isExperienced. Learn about Familial Hypertriglyceridemia.
- Familial Hypocalciuric Hypercalcemia Type 1
- GigantismDr. Chan isExperienced. Learn about Gigantism.
- Glucocorticoid ResistanceDr. Chan isExperienced. Learn about Glucocorticoid Resistance.
- Hereditary Paraganglioma-Pheochromocytoma Syndrome
- HypercalcemiaDr. Chan isExperienced. Learn about Hypercalcemia.
- HypoaldosteronismDr. Chan isExperienced. Learn about Hypoaldosteronism.
- HypoparathyroidismDr. Chan isExperienced. Learn about Hypoparathyroidism.
- Hypothalamic TumorDr. Chan isExperienced. Learn about Hypothalamic Tumor.
- Idiopathic HypercalciuriaDr. Chan isExperienced. Learn about Idiopathic Hypercalciuria.
- Isolated ACTH DeficiencyDr. Chan isExperienced. Learn about Isolated ACTH Deficiency.
- Low Blood SugarDr. Chan isExperienced. Learn about Low Blood Sugar.
- MelasmaDr. Chan isExperienced. Learn about Melasma.
- MelorheostosisDr. Chan isExperienced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Chan isExperienced. Learn about Melorheostosis with Osteopoikilosis.
- Membranous NephropathyDr. Chan isExperienced. Learn about Membranous Nephropathy.
- Milk-Alkali SyndromeDr. Chan isExperienced. Learn about Milk-Alkali Syndrome.
- Neurohypophyseal Diabetes InsipidusDr. Chan isExperienced. Learn about Neurohypophyseal Diabetes Insipidus.
- OsteopeniaDr. Chan isExperienced. Learn about Osteopenia.
- OsteoporosisDr. Chan isExperienced. Learn about Osteoporosis.
- Paget's Disease of BoneDr. Chan isExperienced. Learn about Paget's Disease of Bone.
- PheochromocytomaDr. Chan isExperienced. Learn about Pheochromocytoma.
- Pituitary ApoplexyDr. Chan isExperienced. Learn about Pituitary Apoplexy.
- Postmenopausal OsteoporosisDr. Chan isExperienced. Learn about Postmenopausal Osteoporosis.
- Rathke Cleft CystDr. Chan isExperienced. Learn about Rathke Cleft Cyst.
- Silent ThyroiditisDr. Chan isExperienced. Learn about Silent Thyroiditis.
- Sotos SyndromeDr. Chan isExperienced. Learn about Sotos Syndrome.
- Subacute ThyroiditisDr. Chan isExperienced. Learn about Subacute Thyroiditis.
- Thyroid NoduleDr. Chan isExperienced. Learn about Thyroid Nodule.
- Vitamin D DeficiencyDr. Chan isExperienced. Learn about Vitamin D Deficiency.

