Clinicians affiliated with Oak Medical Sc
123 clinicians on file with this group · most practice in Milwaukee-Waukesha, WI · PAC ID 0042595175
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
95 clinicians affiliated with Oak Medical Sc are in the 2024 Medicare Part B data, 34 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 · Nurse Practitioner (55) · Internal Medicine (23) · Physician Assistant (6) · Family Practice (5) · Hospitalist (2) · Emergency Medicine (1) · Infectious Disease (1) · Physical Medicine and Rehabilitation (1) · Psychiatry (1)
Specialty links go to the specialty in Milwaukee-Waukesha, WI.
Clinicians affiliated with Oak Medical Sc, 2024
Alphabetical by last name; 95.
| Name | Specialty | City |
|---|---|---|
| Saima T Akbar, M.D | Internal Medicine | West Allis, WI |
| Katherine E Andrew, APNP | Nurse Practitioner | Waukesha, WI |
| Mohit Arora, M.D. | Internal Medicine | Menomonee Falls, WI |
| Erin M Bayerl, PA | Physician Assistant | Wausau, WI |
| Nabeel M Beg, M.D. | Internal Medicine | Waukesha, WI |
| Denielle M Beilfuss, NP | Nurse Practitioner | Milwaukee, WI |
| Richard D Belt, D.O. | Internal Medicine | Lexington, KY |
| Tara L Benson, APNP | Nurse Practitioner | Little Suamico, WI |
| Rebecca J Bland, APNP | Nurse Practitioner | Waukesha, WI |
| Mikayla L Boettner, APNP | Nurse Practitioner | Whitewater, WI |
| Tracy Bras, MD | Physical Medicine and Rehabilitation | Brookfield, WI |
| Michele Brogunier, MD | Family Practice | Stratford, CT |
| Dana D Broyles, APNP | Nurse Practitioner | Milwaukee, WI |
| Peter V Cherian, M.D | Internal Medicine | Bay Pines, FL |
| Muniba Chohan | Internal Medicine | Sheboygan, WI |
| Maria G Cruz-Apolinario, MD | Emergency Medicine | Berlin, WI |
| Puneet S Dhillon, M.D. | Internal Medicine | Madison, WI |
| Julie Driscoll, NP | Nurse Practitioner | Milwaukee, WI |
| Sheri L Erickson, ARNP | Nurse Practitioner | West Palm Beach, FL |
| Nathaniel D Fagan-Duerr, MSN, APNP, FNP-C | Nurse Practitioner | Waukesha, WI |
| Robert A Fasano, MD | Hospitalist | Lake Geneva, WI |
| Traci A Freiberg, APNP | Nurse Practitioner | Fond Du Lac, WI |
| Riley Fugiasco, FNP-BC | Nurse Practitioner | Brookfield, WI |
| Kavisha D Gandhi, MD | Internal Medicine | Waukesha, WI |
| Pradeep Giriyappa, M.D. | Internal Medicine | Manitowoc, WI |
| Morgan Godfrey, APNP | Nurse Practitioner | Milwaukee, WI |
| Kayla T Graff, NP | Nurse Practitioner | Milwaukee, WI |
| Kristi K Grutzmacher, APNP | Nurse Practitioner | Waukesha, WI |
| Terri A Hahn, MD | Internal Medicine | Stevens Point, WI |
| Gina M Harron, NP | Nurse Practitioner | Summit, WI |
| Makenzie E Hatfield Kresch, MD | Psychiatry | Brookfield, WI |
| Kaylee L Hawks, FNP-C | Nurse Practitioner | Ashwaubenon, WI |
| Gwen Herzog, RN | Nurse Practitioner | Watertown, WI |
| Megan M Hickson | Nurse Practitioner | Kansas City, MO |
| Whitney Hoffmann, DO | Internal Medicine | Waukesha, WI |
| Ryan D Holzmacher, MD | Internal Medicine | Greenfield, WI |
| Harry B Hostetler, M.D. | Internal Medicine | Waukesha, WI |
| Judith Hummel, APNP | Nurse Practitioner | Brookfield, WI |
| Abel H Irena, M.D | Hospitalist | West Allis, WI |
| Lindsay M Janda, PA | Physician Assistant | Waukesha, WI |
| Elizabeth A Jarecki, APNP | Nurse Practitioner | Brookfield, WI |
| Tracy L Jessogne, APNP | Nurse Practitioner | La Crosse, WI |
| Hannah J Jochman, APNP, FNP-C | Nurse Practitioner | Waukesha, WI |
| Megan Kaczmarek, FNP-C | Nurse Practitioner | Waukesha, WI |
| Elizabeth King, M.D. | Family Practice | Waukesha, WI |
| Roxanne E Kleman, APNP | Nurse Practitioner | Madison, WI |
| Courtney Lamm | Nurse Practitioner | Milwaukee, WI |
| Kristin M Lavenhagen, PA-C | Physician Assistant | Oak Creek, WI |
| Leslie A Lehrer, APNP | Nurse Practitioner | Green Bay, WI |
| Jennifer L Mauer, FNP-BC | Nurse Practitioner | Wausau, WI |
| Kieran Mcavoy, MD | Internal Medicine | Waukesha, WI |
| Sarah Mcbride, AG-CNS | Nurse Practitioner | Waukesha, WI |
| Marcia Meyer, APNP | Nurse Practitioner | Waukesha, WI |
| Carissa M Neuman, A-GNP | Nurse Practitioner | Waukesha, WI |
| Aji B Njie, M.D. | Infectious Disease | Worcester, MA |
| Kathy L Obermann, ANP-BC APNP | Nurse Practitioner | Wausau, WI |
| Surendra Patel, M.D. | Internal Medicine | Waukesha, WI |
| Ana Perelman, M.D. | Internal Medicine | Milwaukee, WI |
| Sara M Peters, PMHNP-BC | Nurse Practitioner | Waukesha, WI |
| Stephani Placek, FNP | Nurse Practitioner | Stevens Point, WI |
| Saifullah Ramay, MD | Internal Medicine | Menomonee Falls, WI |
| Keshni L Ramnanan, M.D. | Internal Medicine | Waukesha, WI |
| Kaitlyn M Rauwerdink, PHYSICIAN ASSISTANT | Physician Assistant | Little Rock, AR |
| Lisa A Rienow, NP | Nurse Practitioner | Green Bay, WI |
| Samreena Rizeq, DNP | Nurse Practitioner | Kenosha, WI |
| Katelyn Ryman, NP | Nurse Practitioner | Waukesha, WI |
| Laura Saltzmann, PA-C | Physician Assistant | Waukesha, WI |
| Shuba Samuel, FNP, PMHNP | Nurse Practitioner | Milwaukee, WI |
| Teresa A Sanford, DNP, CNP | Nurse Practitioner | Waukesha, WI |
| Kayla J Scheid, NP | Nurse Practitioner | Menomonee Falls, WI |
| Sara E Schlesner Vaughn, FNP-BC | Nurse Practitioner | Deforest, WI |
| Monica L Schuster, APNP | Nurse Practitioner | Waukesha, WI |
| Jackie L Sell, APNP | Nurse Practitioner | Sun Prairie, WI |
| Jaswinder Sidhu, M.D. | Internal Medicine | Oconomowoc, WI |
| Sarfraz S Sidhu, M.D. | Internal Medicine | Waukesha, WI |
| Daniel J Smith, D.O. | Family Practice | Weston, WI |
| Sophia Smith, NP | Nurse Practitioner | Waukesha, WI |
| Kaitlyn Solveson, APNP | Nurse Practitioner | Waukesha, WI |
| Dina P Sotola, APN | Nurse Practitioner | Waukesha, WI |
| Sara J Stein, APNP | Nurse Practitioner | Waukesha, WI |
| Rita L Stowe, APNP | Nurse Practitioner | Waukesha, WI |
| Stephanie M Strohbeen | Internal Medicine | Milwaukee, WI |
| Bret K Stysly, M.D. | Internal Medicine | Augusta, GA |
| Michael E Sullivan, M.D. | Family Practice | Watertown, WI |
| Rachel Sullivan, APNP | Nurse Practitioner | Waukesha, WI |
| Jennifer L Sutton, FNP | Nurse Practitioner | Evansville, IN |
| Laura Swett, N.P. | Nurse Practitioner | Seymour, WI |
| Michael A Umland, MD | Family Practice | Wausau, WI |
| Victoria L Vande Zande, MD | Internal Medicine | Eau Claire, WI |
| Sarah L Wassink, APNP | Nurse Practitioner | Sheboygan, WI |
| Donna J Webster, MSN, APNP,PMHNP-BC | Nurse Practitioner | Medford, WI |
| Jeremy J Wojtecki, PA-C | Physician Assistant | Brookfield, WI |
| Kuo Sheng Yang, DNP, APNP, FNP-BC | Nurse Practitioner | Mount Pleasant, WI |
| Amelia L Zellner, APNP | Nurse Practitioner | Marshfield, WI |
| Kaitlin Zurick | Nurse Practitioner | Waukesha, WI |
Practice locations
Listed practice locations in Wisconsin.
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