Clinicians affiliated with Columbus Nephrology, Inc.
12 clinicians on file with this group · most practice in Columbus, OH · PAC ID 5092709915
10 clinicians affiliated with Columbus Nephrology, Inc. are in the 2024 Medicare Part B data, 8 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.
Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report
Affiliated clinicians by specialty, 2024
All specialties · Nephrology (8) · Nurse Practitioner (1) · Physician Assistant (1)
Specialty links go to the specialty in Columbus, OH.
Clinicians affiliated with Columbus Nephrology, Inc., 2024
Alphabetical by last name; 10.
| Name | Specialty | City |
|---|---|---|
| Charles J Boyer, PA | Physician Assistant | Grove City, OH |
| Jeannie P Co, M.D. | Nephrology | Grove City, OH |
| Paul A Kovach, M.D. | Nephrology | Grove City, OH |
| Sefenesh G Mamai, APRN-CNP | Nurse Practitioner | Columbus, OH |
| Kevin P O'Reilly, M.D. | Nephrology | Grove City, OH |
| Chakravarthi R Ramaswamy, M.D. | Nephrology | Grove City, OH |
| Stephen W Roderer, M.D. | Nephrology | Grove City, OH |
| Ravish Shah, MD | Nephrology | Grove City, OH |
| Nicholas A Stoycheff, M.D. | Nephrology | Grove City, OH |
| Vahagn Zakaryan, M.D. | Nephrology | Grove City, OH |
Practice locations
Listed practice locations in Ohio.
Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.
Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations