Overview
John Willis is a primary care provider, practicing in Internal Medicine in Columbus, Ohio. Dr. Willis is rated as an Experienced provider by MediFind in the treatment of Defective Apolipoprotein B-100. His top areas of expertise are Type 1 Diabetes (T1D), Hyperlipidemia Type 3, High Cholesterol, and Gastroesophageal Reflux Disease (GERD). Dr. Willis is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- HMO
- INDEMNITY
- POS
- PPO
Locations
Ajaz Umerani is a primary care provider, practicing in Internal Medicine in Springfield, Ohio. Dr. Umerani is rated as a Distinguished provider by MediFind in the treatment of Defective Apolipoprotein B-100. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, Endoscopy, and Ureteroscopy. Dr. Umerani is currently accepting new patients.
Marion Area Physicians LLC
Michael Hayes is a primary care provider, practicing in Internal Medicine in Marion, Ohio. Dr. Hayes is rated as a Distinguished provider by MediFind in the treatment of Defective Apolipoprotein B-100. His top areas of expertise are Anemia, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.
Parminder B. Singh M.D., Inc.
Parminder Singh is a primary care provider, practicing in Internal Medicine in Marion, Ohio. Dr. Singh is rated as a Distinguished provider by MediFind in the treatment of Defective Apolipoprotein B-100. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Endoscopy, and Colonoscopy. Dr. Singh 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
- Type 1 Diabetes (T1D)Dr. Willis isAdvanced. Learn about Type 1 Diabetes (T1D).
- Experienced
- Cholangiocarcinoma (Bile Duct Cancer)Dr. Willis isExperienced. Learn about Cholangiocarcinoma (Bile Duct Cancer).
- CirrhosisDr. Willis isExperienced. Learn about Cirrhosis.
- Defective Apolipoprotein B-100Dr. Willis isExperienced. Learn about Defective Apolipoprotein B-100.
- Enlarged Prostate (BPH)Dr. Willis isExperienced. Learn about Enlarged Prostate (BPH).
- EsophagitisDr. Willis isExperienced. Learn about Esophagitis.
- Familial Combined HyperlipidemiaDr. Willis isExperienced. Learn about Familial Combined Hyperlipidemia.