Physicians

Christopher E. Adams, MD

Christopher E. Adams, MD

Urology

Board-Certified: American Board of Urology

Residency: Urology, University of Iowa Hospitals and Clinics, Iowa City, IA

MD: Harvard Medical School, Boston, MA

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Abdi E. Ahari, MD

Abdi E. Ahari, MD

General Surgery

Board-Certified: American Board of Surgery

Fellow: American College of Surgeons

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Byron T. Beasley, MD

Byron T. Beasley, MD

Cardiology

Dr. Byron T. Beasley is a board-certified physician with additional qualifications in Cardiovascular Disease and Geriatrics, practicing within the Mercy Heart Center of Mason City Clinic since 1979. He previously served as President of the Medical Staff and Director of Cardiovascular Services at Mercy Medical Center. Utilizing his extensive experience and advanced technical skills, Dr. Beasley also serves as a Clinical Assistant Professor at the University of Iowa Hospitals and Clinics.

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Erik Brink, DO, FACOS, FACS

Erik Brink, DO, FACOS, FACS

General Surgery

BOARD CERTIFIED: General Surgery, American Osteopathic Board of Surgery

RESIDENCY: Lake Erie College of Osteopathic Medicine, Memorial Hospital, York, PA

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Samuel J. Congello, DO

Samuel J. Congello, DO

Cardiovascular Disease

Board-Certified: Interventional Cardiology and Cardiovascular Disease, American Board of Internal Medicine

Fellow: American College of Cardiology, American College of Physicians, American College of Osteopathic Internists, Society for Cardiovascular Angiography and Interventions

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Michael W. Crane, MD

Michael W. Crane, MD

Orthopedic Surgery

Board-Certified: American Board of Orthopedic Surgery

Fellow: American Academy of Orthopedic Surgery, American Orthopedic Society

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Sandra Leticia Reis Crosara, MD

Sandra Leticia Reis Crosara, MD

Infectious Diseases

Fellowship: Infectious Diseases, University of Nebraska Medical Cernter, Omaha, NE

MD: Universidade Federal de Minas Gerais, Brazil

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Sepideh Darbandi, DO

Sepideh Darbandi, DO

Cardiology

Board-Certified: Internal Medicine, American Board of Internal Medicine

Residency:Internal Medicine, MercyOne North Iowa, Mason City, IA

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Michael del Rio, MD

Michael del Rio, MD

Cardiac and Thoracic Surgery

Board Certified: American Board of Thoracic Surgery, American Board of Surgery
General Surgery Residency: Maimonides Medical Center, Brooklyn, NY
Cardiac Surgery Fellowship: Medical College of Virginia
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Timothy M. Dettmer, MD

Timothy M. Dettmer, MD

ENT Otolaryngology

Advanced Training: Allergy

Board-Certified: American Board of Otolaryngology

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Henry R. Diggelmann, MD

Henry R. Diggelmann, MD

Otolaryngology

Board-Certified: American Board of Otolaryngology

Residency: Otolaryngology – Head and Neck Surgery, University of Iowa Hospitals and Clinics, Iowa City, IA

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Scott M. Donohoe, DPM

Scott M. Donohoe, DPM

Podiatry

Dr. Scott M. Donohoe is a highly skilled and experienced podiatrist practicing at Mason City Clinic since 2005. He is certified by the American Board of Foot and Ankle Surgery.

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Rene M. Duregger, MD

Rene M. Duregger, MD

Psychiatry

Board-Certified: American Board of Psychiatry and Neurology, Psychiatry American Board of Psychiatry and Neurology, Child and Adolescent Psychiatry

Residency: Psychiatry, University of Kansas School of Medicine, Wichita, KS Child Psychiatry, University of Iowa School of Medicine, Iowa City, IA

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Matthew W. Fabian, DO

Matthew W. Fabian, DO

Bariatric Surgery

General Surgery Advanced Training: Bariatric Surgery & Gastroesophageal Reflux Disease

Board-Certified: General Surgery, American Board of Surgery

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Timothy A. Gibbons, MD

Timothy A. Gibbons, MD

Orthopedic Surgery

Board-Certified: American Board of Orthopedic Surgery

Fellowship-Trained: Orthopedic Sports Medicine, University of Iowa, Iowa City, IA

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Gregory Grimberg, MD

Gregory Grimberg, MD

Bariatric Surgery

Board Eligible: General Surgery, American Board of Surgery

Fellowship Trained: Bariatric Surgery Johns Hopkins University, Bayview Medical Center Baltimore, MD

Residency: Rutgers NJMS General Surgery Residency Newark, NJ

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Denisa L. Hagau, MD

Denisa L. Hagau, MD

Cardiovascular Disease

Board-Certified: Internal Medicine, Cardiovascular Disease, American Board of Internal Medicine, Echocardiography, Cardiovascular CT and Vascular Ultrasound

Fellowship-Trained: Cardiology, St. Elizabeth’s Medical Center, Boston, MA

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Radu Hagau, MD

Radu Hagau, MD

Cardiovascular Disease

Board-Certified: Internal Medicine, Cardiovascular Disease, Echocardiography, Nuclear Cardiology, Vascular Ultrasound Cardiovascular CT

Fellowship-Trained: Cardiovascular Disease, St. Elizabeth’s Medical Center, Boston, MA;
Advanced Cardiac Imaging-Echocardiography, West Roxbury VAMC, Boston, MA

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Daniel Hamilos, MD

Daniel Hamilos, MD

Allergy & ENT

Board-Certified: American Board of Internal Medicine, American Board of Allergy and Immunology

Residency: Duke University Medical Center, Durham, NC

MD: Northwestern University School of Medicine, Chicago, IL

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Edward S. Henrich, DPM

Edward S. Henrich, DPM

Podiatry

Board-Certified: American Board of Podiatric Surgery, American Board of Extremity Surgery

Fellow: American College of Foot and Ankle Surgeons

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Vishram Jalukar, MD

Vishram Jalukar, MD

ENT Otolaryngology / Sleep Medicine

Fellowship-Trained: Otolaryngology – Head and Neck Surgery, University of Iowa, Department of Otolaryngology, Iowa City, IA

Residency: Otolaryngology, University of Iowa Hospitals and Clinics, Iowa City, IA

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Harsha U. Jayawardena, MD

Harsha U. Jayawardena, MD

General Surgery

Board-Certified: American Board of Surgery

Fellow: American College of Surgeons

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Darron M. Jones, MD

Darron M. Jones, MD

Orthopedic Surgery

Board-Certified: American Board of Orthopedic Surgery

Fellow: American Academy of Orthopedic Surgeons

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Ronald F. Kloc, MD

Ronald F. Kloc, MD

Interventional Pain Management

Board Certified: American Board of Anesthesiology with Special Qualification in Pain Management

Residency: Anesthesiology, Medical College of Ohio, Toledo OH

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Mark E. Lassise, MD

Mark E. Lassise, MD

Psychiatry

Dr. Mark E. Lassise is board-certified in Psychiatry and Neurology, with additional qualifications in Addiction Medicine, and has treated patients at Mason City Clinic since 1997. With over 25 years of practice experience and extensive training, Dr. Lassise provides patients with state-of-the-art care for a wide range of conditions.

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Daniel J. Lee, MD

Daniel J. Lee, MD

ENT Otolaryngology

Dr. Lee received his Medical Doctorate in May 2016 from the University of Iowa Carver College of Medicine in Iowa, and completed his residency in Otolaryngology at the University of Iowa – Hospital and Clinics.

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Phillip C. Lee, MD

Phillip C. Lee, MD

Otolaryngology and Sleep Medicine

Board-Certified: Sleep Medicine, American Board of Otolaryngology

Residency: Otolaryngology, University of Iowa Hospitals and Clinics, Iowa City, IA

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Christopher Martin, MD

Christopher Martin, MD

General Surgery

BOARD CERTIFIED: General Surgery, American Board of Surgery

RESIDENCY: Michigan State University, East Lansing, MI

MD: University of Illinois College of Medicine, Peoria, IL

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Timothy L. Mulholland, MD

Timothy L. Mulholland, MD

Urology

Board-Certified: American Board of Urology

Fellowship-Trained: Laparoscopy and Minimally Invasive Surgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK

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Tyler M. Mulkey, DPM

Tyler M. Mulkey, DPM

Foot and Ankle Surgery

Dr. Mulkey received his Doctor of Podiatric Medicine in June of 2018 from Rosalind Franklin University in Chicago. He then went on to complete his residency at Christus St. Patrick Podiatric Medicine and Surgical Residency in Louisiana.

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Mark W. Mulkey, MD

Mark W. Mulkey, MD

Plastic, Hand and Reconstructive Surgery

Board-Certified: American Board of Surgery, American Board of Plastic Surgery

Fellow: American College of Surgeons

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Eric J. Potthoff, DO

Eric J. Potthoff, DO

Orthopedic Surgery

Board-Certified: American Osteopathic Academy of Orthopedics

Residency: Orthopedic Surgery, Doctors Hospital of Stark County, Massillon, OH

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Mihail Radulescu, MD

Mihail Radulescu, MD

Board Certified: American Board of Orthopedic Surgery

Fellowship Trained: Adult Hip and Knee Reconstruction, William Beaumont Hospital, Royal Oak, MI

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Rogerio M. Ramos, MD

Rogerio M. Ramos, MD

Psychiatry

Dr. Rogerio Ramos is a board-certified psychiatrist who has practiced in the mental health clinic at Mason City Clinic since 2009, as well as serving as Medical Director of Prairie Ridge Addiction Treatment Center and running a buprenorphine clinic for patients with addictions.

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Richard E. Rattay, MD

Richard E. Rattay, MD

Orthopedic Surgery

Board-Certified: American Board of Orthopedic Surgery, Certificate of Added Qualification in Surgery of the Hand

Fellowship-Trained: Orthopedic Hand and Upper Extremity Surgery, University of Minnesota; Microvascular Surgery, Mayo Clinic, Rochester, MI

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Richard R. Rattin, DO

Richard R. Rattin, DO

Cardiology

Board-Certified: Interventional Cardiology, Cardiology, Nuclear Cardiology, and Internal Medicine

Fellow: American College of Cardiology, Society for Cardiovascular Angiography & Intervention

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René F. Recinos, MD, PHD

René F. Recinos, MD, PHD

Plastic, Hand and Reconstructive Surgery

Board-Certified: American Board of Plastic Surgery

Residency: Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI

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Kevin R. Rier, MD

Kevin R. Rier, MD

Urology

Board-Certified: American Board of Urology

Residency: Urology and Surgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK

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Jeffrey K. Rowe, MD

Jeffrey K. Rowe, MD

General Surgery Advanced Training: Vascular Surgery

Board-Certified: American Board of Surgery

Fellow: American College of Surgeons

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Michael J. Sarik, DO

Michael J. Sarik, DO

Cardiology

Fellow: American College of Cardiology

Fellowship-Trained: Cardiology, Thomas Jefferson University Hospital/Mercy Catholic Medical Center, Philadelphia, PA; Cardiac Electrophysiology, Deborah Heart and Lung Center, Browns Mills, NJ and Thomas Jefferson University Hospital, Philadelphia, PA

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Michael B. Scherb, MD

Michael B. Scherb, MD

Orthopedic Surgery

Board-Certified: American Board of Orthopedic Surgery

Fellowship-Trained: Foot and Ankle Orthopedics, Union Memorial Hospital, Baltimore, MD

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Kathryn Schwalbe, DO

Kathryn Schwalbe, DO

General Surgery

BOARD ELIGIBLE: General Surgery, American Board of Surgery

RESIDENCY: Cleveland Clinic- South Pointe Hospital, Cleveland, OH

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Muhammad Al Sharif, DO

Muhammad Al Sharif, DO

Cardiology

Board-Certified: Cardiology, American Osteopathic Board of Internal Medicine

Fellow: American College of Physicians

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Fayez Siddiqui, MD

Fayez Siddiqui, MD

Interventional Cardiology

Board-Certified: Internal Medicine and Nuclear Cardiology
Fellowship-Trained: Interventional Cardiology, University of Cincinnati Medical Center, Cardiovascular Diseases, Wayne State University, Detroit Medical Center
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Satish K. Sondhi, MD

Satish K. Sondhi, MD

Gastroenterology

Board-Certified: Gastroenterology and Internal Medicine, American Board of Internal Medicine

Fellowship-Trained: Gastroenterology, University of Kentucky Medical Center, Lexington, KY

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Michael Spooner, MD

Michael Spooner, MD

Cardiology

Board-Certified: Internal Medicine, American Board of Internal Medicine;
Cardiovascular Diseases, American Board of Internal Medicine
Clinical Cardiac Electrophysiology, American Board of Internal Medicine

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Elizabeth Takacs, MD

Elizabeth Takacs, MD

Urology

Board-Certified: American Board of Urology, with a subspecialty recognition in Urogenital Reconstructive Pelvic Surgery

Fellowship: UT Texas Southwestern, Female Urology, Incontinence and Urodynamics

Residency: State University of NY, Buffalo, NY

MD: University of Iowa, Iowa City, IA

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Steven P. Thoma, MD

Steven P. Thoma, MD

Urology

Board Certified: American Board of Urology

Residency: Urology, Louisiana State University – HSC, Shreveport, LA

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Trisha L. Thoma, MD

Trisha L. Thoma, MD

Otolaryngology

Board Certified: Otolaryngology, American Board of Otolaryngology

Residency: Otolaryngology – Head and Neck Surgery, Louisiana State University – HSC, Shreveport, LA

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Dr. Corey J. Thompson, MD

Dr. Corey J. Thompson, MD

Psychiatry

Dr. Thompson received his undergraduate and graduate degrees from Western Michigan University in Kalamazoo, Michigan. He received his medical degree and completed his medical residency at University of Illinois at Chicago in Chicago, Illinois.

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Rajinder K. Verma, MD

Rajinder K. Verma, MD

Neurology Advanced Training: Sleep Medicine

Board-Certified: Neurology, American Board of Psychiatry and Neurology

Residency: Neurology, University of Kansas Medical Center, Kansas City, KS

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Why More Patients Choose Mason City Clinic For All Their Specialized Health Needs

World-class care, close to home. That's what people want. That's what Mason City Clinic delivers. Mason City Clinic's well-educated, highly credentialed and experienced physicians bring the latest technology and leading-edge procedures.

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Up-to-date. Down-to-earth. Close to home. Lots of great reasons to make Mason City Clinic
your first choice for all your family’s specialty healthcare needs.

250 S. Crescent Drive, Mason City, IA 50401

Tel: 641.494.5200

Toll Free: 800-622-1411

Fax: 641.494.5403

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2440 Bridge Avenue, Albert Lea, MN 56007

Tel: 507.320.7900

Fax: 641.494.5403

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