
Overview
William Bayer is an Endocrinologist in Wheaton, Illinois. Dr. Bayer is rated as an Advanced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Hypothyroidism, Obesity in Children, Thyroid Cancer, and Anaplastic Thyroid Cancer.
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
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MEDICARE MAPD
- OTHER MEDICARE
- 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
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- 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
- PPO
- INSURANCE PLAN
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- 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
- MEDICARE MAPD
- MEDICARE SNP
Locations
7 Blanchard Cir, Wheaton, IL 60189
636 Raymond Dr, Suite 204, Naperville, IL 60563
25 N Winfield Rd, Winfield, IL 60190
233 S Gary Ave, Bloomingdale, IL 60108
1800 N Main St, Wheaton, IL 60187
Additional Areas of Focus
Dr. Bayer 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.
Gn Endocrinology Ltd
Amer Kassar is an Endocrinologist in Munster, Indiana. Dr. Kassar is rated as a Distinguished provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Hypothyroidism, Obesity in Children, Thyroid Nodule, and Type 2 Diabetes (T2D).
Central Dupage Physician Group
Adam Stein is an Endocrinologist in Wheaton, Illinois. Dr. Stein is rated as an Advanced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Obesity in Children, Hyperthyroidism, Hypothyroidism, and Peripheral Neuropathy.
The University Of Chicago Medical Center
Samuel Refetoff is an Endocrinologist in Chicago, Illinois. Dr. Refetoff is rated as a Distinguished provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Hypothyroidism, Allan-Herndon-Dudley Syndrome, Congenital Hypothyroidism, and Generalized Resistance to Thyroid Hormone. Dr. Refetoff is currently accepting new patients.
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
- Distinguished
- Anaplastic Thyroid CancerDr. Bayer isDistinguished. Learn about Anaplastic Thyroid Cancer.
- Follicular Thyroid CancerDr. Bayer isDistinguished. Learn about Follicular Thyroid Cancer.
- HypothyroidismDr. Bayer isDistinguished. Learn about Hypothyroidism.
- Medullary Thyroid CarcinomaDr. Bayer isDistinguished. Learn about Medullary Thyroid Carcinoma.
- Obesity in ChildrenDr. Bayer isDistinguished. Learn about Obesity in Children.
- Papillary Thyroid CancerDr. Bayer isDistinguished. Learn about Papillary Thyroid Cancer.
- Advanced
- Addison's DiseaseDr. Bayer isAdvanced. Learn about Addison's Disease.
- Adrenal Gland AdenomaDr. Bayer isAdvanced. Learn about Adrenal Gland Adenoma.
- Familial Hypocalciuric Hypercalcemia Type 1
- Hereditary Paraganglioma-Pheochromocytoma Syndrome
- HypercalcemiaDr. Bayer isAdvanced. Learn about Hypercalcemia.
- HyperparathyroidismDr. Bayer isAdvanced. Learn about Hyperparathyroidism.
- Experienced
- AcromegalyDr. Bayer isExperienced. Learn about Acromegaly.
- Alopecia AreataDr. Bayer isExperienced. Learn about Alopecia Areata.
- Autosomal Dominant HypocalcemiaDr. Bayer isExperienced. Learn about Autosomal Dominant Hypocalcemia.
- Autosomal Recessive HypotrichosisDr. Bayer isExperienced. Learn about Autosomal Recessive Hypotrichosis.
- Deafness Hypogonadism SyndromeDr. Bayer isExperienced. Learn about Deafness Hypogonadism Syndrome.
- Diabetes Insipidus (DI)Dr. Bayer isExperienced. Learn about Diabetes Insipidus (DI).
