4.8
10 Ratings with 3 written Reviews
Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| John D Hummel, MD | Dr. Ruth Ann Holzhauser, MD | Dr. Kay Ellen Goodall | Dr. Barbara Lynn Petkovic, DPM |
| Cardiovascular Disease | Public Health & General Preventive Medicine | Nurse Practitioner | Podiatry |
| Accepts New Patients | |||
| 39 Years of Experience | 50 Years of Experience | 32 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Columbus , OH | Westerville , OH | Columbus , OH | North Royalton , OH |
| Med School: University of Va Sch of Med, Charlottesville Va | Med School: The Ohio State University | Med School: Ohio State University College Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
John D Hummel holds an active medical license in the state of Ohio.
Medical Doctor with an active medical license in the state of Ohio that expires in 2026.
Completed their residency at Johns Hopkins Hosp, Cardiovascular Diseases; Johns Hopkins Hosp, Internal Medicine and Johns Hopkins Hospital in 1988.
Graduated from University of Va Sch of Med, Charlottesville Va in 1987.
John D Hummel's NPI number is 1356346704.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.