Clinicians affiliated with Osu Observation Medicine, LLC
436 clinicians on file with this group · most practice in Columbus, OH · PAC ID 3375692270
Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service
369 clinicians affiliated with Osu Observation Medicine, LLC are in the 2024 Medicare Part B data, 207 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 · Anesthesiology (144) · Certified Registered Nurse Anesthetist (CRNA) (87) · Emergency Medicine (51) · Anesthesiology Assistant (48) · Nurse Practitioner (18) · Physician Assistant (9) · Obstetrics & Gynecology (5) · Pain Management (2) · Family Practice (1) · Internal Medicine (1) · Interventional Pain Management (1) · Medical Toxicology (1) · Pulmonary Disease (1)
Specialty links go to the specialty in Columbus, OH.
Clinicians affiliated with Osu Observation Medicine, LLC, 2024
Alphabetical by last name; 101–200 of 369.
| Name | Specialty | City |
|---|---|---|
| Marissa C Grant, DO | Anesthesiology | Columbus, OH |
| Thomas E Graul, D.O. | Anesthesiology | Columbus, OH |
| Chantel A Gray, M.D. | Anesthesiology | Allentown, PA |
| Teri L Gray, M.D. | Anesthesiology | Columbus, OH |
| Justin L Grime, APRN.CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Donna Gruskiewicz, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Rebecca M Gutmann, MD | Anesthesiology | Columbus, OH |
| Mark Hacker, P.A.-C. | Physician Assistant | Newark, OH |
| Kelsey R Hall, APRN, FNP-C | Nurse Practitioner | Dublin, OH |
| Melissa M Hall, APRN-CNP | Nurse Practitioner | Columbus, OH |
| Madison J Halpin | Anesthesiology Assistant | Columbus, OH |
| Charles L Hamilton, M.D. | Anesthesiology | Columbus, OH |
| Susan E Hamilton | Nurse Practitioner | Columbus, OH |
| Joseph D Harp, AA | Anesthesiology Assistant | Columbus, OH |
| Trent P Harris, AA | Anesthesiology Assistant | Columbus, OH |
| Victoria A Harshbarger, APRN-CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Ronald L Harter, M.D. | Anesthesiology | Columbus, OH |
| Samuel D Hawkins, MD | Emergency Medicine | Columbus, OH |
| Blair H Hayes, MD | Anesthesiology | Columbus, OH |
| Michael J Hays, M.D. | Anesthesiology | Columbus, OH |
| Jarrett A Heard, M.D. | Anesthesiology | Columbus, OH |
| Shawn M Hedderman, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Brian A Heighington, PAA | Anesthesiology Assistant | Aurora, CO |
| Jamie Heighington, AA | Anesthesiology Assistant | Columbus, OH |
| Elizabeth Hellmann, MD | Emergency Medicine | Columbus, OH |
| Randall E Henderson, M.D. | Anesthesiology | Westerville, OH |
| Gretchen M Heringhaus, AA | Anesthesiology Assistant | Westerville, OH |
| Andrew J Hicks, APRN.CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Carla Hightower, MD | Anesthesiology | Columbus, OH |
| Bryan D Hill, M.D. | Anesthesiology | Columbus, OH |
| Lisbeth D Hill, APRN.CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Eric J Hoover, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Matthew T Hoskinson, APRN.CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Austin P Hossfeld, AA | Anesthesiology Assistant | Columbus, OH |
| Christine B Houser, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Ling Qun Hu, MD | Anesthesiology | Columbus, OH |
| Michelle L Humeidan, M.D. | Anesthesiology | Columbus, OH |
| Nasir Hussain | Anesthesiology | Columbus, OH |
| Manoj H Iyer, M.D. | Anesthesiology | Columbus, OH |
| John B Jalovec, MD | Anesthesiology | New Albany, OH |
| Maria Jamison, BSN, DNP | Certified Registered Nurse Anesthetist (CRNA) | Dayton, OH |
| Mary E Jedlicka, APRN.CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Lon A Jenkins, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Michael K Johnson, APRN-CNP | Nurse Practitioner | Columbus, OH |
| Jaime W Jozic, CRNA MSN RN BSN | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Christopher J Kao, MD | Emergency Medicine | Columbus, OH |
| Ritu Kapoor, MD | Anesthesiology | Columbus, OH |
| Emily B Kauffman, D.O. | Internal Medicine | Columbus, OH |
| Cyrus V Kellermier, MD | Anesthesiology | Columbus, OH |
| Garrett T Kelly, MD | Anesthesiology | Columbus, OH |
| Timothy P Kendig, CAA | Anesthesiology Assistant | Westerville, OH |
| Cha H Kim, APRN-CNP | Nurse Practitioner | Newark, OH |
| Lexa S King, APRN.CNP | Nurse Practitioner | Columbus, OH |
| Margaret A Kirwin, MD | Emergency Medicine | Columbus, OH |
| Melinda A Kizziah, DO | Emergency Medicine | Columbus, OH |
| Nicholas E Kman, MD | Emergency Medicine | Columbus, OH |
| Rafal Kopanczyk, DO | Anesthesiology | Columbus, OH |
| Robert E Kopp, APRN-CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Ashley L Kozlowski, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| James M Kozlowski, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Paul F Krupa-Wilson, A.A. | Anesthesiology Assistant | Columbus, OH |
| Alyson F Kuhn, APRN.CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Barrett Kumar, DO | Anesthesiology | Cincinnati, OH |
| Karina J Kurzhals, APRN-CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Michael Kushelev, MD | Anesthesiology | Columbus, OH |
| Andrew L Lagunzad | Anesthesiology Assistant | Columbus, OH |
| Katherine Lambert | Physician Assistant | Westerville, OH |
| Steven L Lambert, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Chad C Lanphear | Anesthesiology Assistant | Columbus, OH |
| Ashley Larrimore, M.D. | Emergency Medicine | Columbus, OH |
| Alec T Lawrence, M.D. | Anesthesiology | Columbus, OH |
| Rikki N Lawrence, AA | Anesthesiology Assistant | Columbus, OH |
| Jesse T Lester, M.D. | Anesthesiology | Columbus, OH |
| Cynthia G Leung, MD | Emergency Medicine | Cleveland, OH |
| Leonid Levertov, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Angel Li, MD | Emergency Medicine | Las Vegas, NV |
| Lin Li, MD | Anesthesiology | Columbus, OH |
| Greg A Lillvis, AA | Anesthesiology Assistant | Columbus, OH |
| Jonathan A Lipps, M.D. | Anesthesiology | Columbus, OH |
| Eric Lipscomb, MD | Anesthesiology | Columbus, OH |
| Jeffrey M Lobacz, APRN.CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Anthony R Lopez, M.D. | Anesthesiology | Columbus, OH |
| Henry Y Lu, M.D. | Anesthesiology | Newark, OH |
| Kathryn O Lusenhop, C.R.N.A. | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Natalie J Luyckx, AA | Anesthesiology Assistant | Houston, TX |
| Michael R Lyaker, MD | Anesthesiology | Columbus, OH |
| Plato J Lysandrou, M.D. | Anesthesiology | Columbus, OH |
| Kyle P Macaluso, M.D. | Anesthesiology | Columbus, OH |
| Carrie L Malfatto, CRNA | Certified Registered Nurse Anesthetist (CRNA) | New Albany, OH |
| Steven J Margolis, MD | Anesthesiology | Columbus, OH |
| Tracey M Marks, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Daniel R Martin, M.D. | Emergency Medicine | Columbus, OH |
| Carolyn L Martinez, MD | Emergency Medicine | Columbus, OH |
| Anthony N Mathenge, APRN-CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Charles Mccombs | Emergency Medicine | Columbus, OH |
| Tabitha L Mcconnell, APRN.CRNA | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Shawn Mcdonald | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Christopher R Mcenroe, C.R.N.A. | Certified Registered Nurse Anesthetist (CRNA) | Columbus, OH |
| Christina D Mcghee, APRN-CNP | Nurse Practitioner | Columbus, OH |
| Ryan Mcgrath | Emergency Medicine | Columbus, 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