Overview
Martin Mandel is an Endocrinologist in Willoughby, Ohio. Dr. Mandel is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Hypothyroidism, Obesity in Children, Type 1 Diabetes (T1D), and Toxic Nodular Goiter.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Locations
Cleveland Clinic Main Campus
Guy Mulligan is an Endocrinologist in Cleveland, Ohio. Dr. Mulligan has been practicing medicine for over 24 years and is rated as a Distinguished provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Eunuchoidism Familial Hypogonadotropic, Male Pseudohermaphroditism with Gynecomastia, Testicular Failure, and Hypothyroidism.
Lorain Family Health And Surgery Center
Ossama Lashin is an Endocrinologist in Lorain, Ohio. Dr. Lashin is rated as a Distinguished provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Graves Disease, Thyroid Nodule, Thyroid Storm, and Male Pseudohermaphroditism with Gynecomastia.
University Hospitals Elyria Medical Center
Vikramjeet Kumar is an Endocrinologist in Elyria, Ohio. Dr. Kumar is rated as a Distinguished provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Hyperthyroidism, Hypothyroidism, Obesity in Children, and Type 2 Diabetes (T2D). Dr. Kumar 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
- Advanced
- HypothyroidismDr. Mandel isAdvanced. Learn about Hypothyroidism.
- Obesity in ChildrenDr. Mandel isAdvanced. Learn about Obesity in Children.
- Type 1 Diabetes (T1D)Dr. Mandel isAdvanced. Learn about Type 1 Diabetes (T1D).
- Experienced
- Anaplastic Thyroid CancerDr. Mandel isExperienced. Learn about Anaplastic Thyroid Cancer.
- Eunuchoidism Familial HypogonadotropicDr. Mandel isExperienced. Learn about Eunuchoidism Familial Hypogonadotropic.
- Familial Hypocalciuric Hypercalcemia Type 1
- Familial Isolated HyperparathyroidismDr. Mandel isExperienced. Learn about Familial Isolated Hyperparathyroidism.
- Follicular Thyroid CancerDr. Mandel isExperienced. Learn about Follicular Thyroid Cancer.
- Graves DiseaseDr. Mandel isExperienced. Learn about Graves Disease.

