our staff: River Hospital - Serving the Thousand Islands ... Close to home

Navigation

Medical Staff

Jeniffer Wilkie Alberry, FNP-C
Credentials

Bachelor of Science in Nursing (RN)
(Russell Sage College)

Masters of Science in Nursing (FNP)
(SUNY Upstate Medical University)

American Academy of Nurse Practitioners

Rebecca Tan-Alberto, M.D. Chief of Anesthesiology
  Credentials Medical Degree (Far Eastern University, Manila, Philippines)
BS Psychology (Far Eastern University)
Transitional Program Internship (Department of Internal Medicine, Marshfield Clinic, Marshfield, WJ)
Anesthesiology Residency (Medical College of Wisconsin)
Anesthesiology Residency (University of the Philippines-Philippine General Hospital, Manila, Philippines)
Anesthesiology and Internal Medicine Residency (Mandaluyong Medical Center, Mandaluyong, Philippines)
Rural Service (Caloocan Health Center, Calooncan, Philippines)
Post Graduate Internship (Andres Bonifacio Medical Center, Cavite, Philippines) 
Gerald Amatucci, M.D.
Credentials AAS Respiratory Therapy (Nassau Community College)
BS Biology (SUNY Stony Brook)
MS Natural Science (Hofstra University)
Medical Degree (University C.E.T.E.C., School of Medicine)
General Surgery Internship (Lutheran Medical Center)
Internal Medicine Residency (Lutheran Medical Center)
Nicole Bartoszewski - RPA-C  
Credentials

Master of Science in Physician Assistant Studies (Mercy College)
Bachelor of Science in Health Science (Mercy College)
 Bachelor of Art in Biology with minors in Chemistry and Forensic
Science (SUNY Oswego)

Board Certifications
NCCPA Board Certified

 
Jiri Bem, M.D. - Colorectal Surgeon  
Credentials Bachelors of Science, Biology (Pilsen, Prague, Czech Republic)

Medical Dcotor (CharlesUniversity Schoolof Medicine Prague, Czech Republic)
General Surgery (Institute of Clinical and Experimental Medicine, Prague, Czech Republic, and Municipal Hospital at Kladno, Czech Republic)
Surgical Pathology Residency (University of South Alabama, Mobile, Alabama)
General Surgery Residency (StateUniversity of New York at Syracuse, New York)
General Surgery Residency (State University of New York at Buffalo, New York)
Colon and Rectal Surgery Fellowship (State University of New York at Buffalo, New York)

Board Certification
Board Certified Colon and Rectal Surgery
Board Certified General Surgeon

Harriet Burris, M.D.
Credentials Bachelors of Science, Life Sciences (Massachusetts Institute of Technology)
Medical Degree (SUNY Upstate Medical Center)
Family Practice Residency (St. Josephs Hospital Health Center)

 

Board Certification
American Board of Family Practice
ABFP Geriatrics
American Board of Emergency Medicine

Richard Corcoran, RPA-C
Credentials Physician Assistant Degree(PA) - Anderson Broaddus College
     
David Ewing-Chow, M.D. – Chief of Ophthalmology
Credentials Medical Degree (University of Saskatchewan)
Rotating Internship (St. Paul’s Hospital)
Ophthalmology Residency (Royal University Hospital)
Fellowship: Ocular Oncology (Princess Margaret Hospital)
Fellowship: Ophthalmic plastics, reconstructive, orbital and lacrimal surgery (University of Cincinnati Medical Center)

Board Certification
American Board of Ophthalmology

Christian Ezidiegwu, M.D. - Laboratory Medical Director
Credentials Medical Degree (University of Nigeria)
Medicine and Surgery Internship (University of Nigeria)
Anatomic/Clinical Pathology Residency (SUNY Health Science Center, University Hospital)
Blood Banking/Transfusion Medicine Fellowship (SUNY Heath Science Center, University Hospital)

Board Certification
The American Board of Pathology/Anatomic and Clinical Pathology

Bradley Frey, RPA - Director of River Community Wellness Program
Credentials

Masters Degree in Physician Assistant Studies
Inservice Physician Assistant Program, Bachelor of Sciences

 

Board Certifications
NCCPA Certified
Ali Gharagozloo, M.D. - Radiology Medical Director
Credentials Medical Degree (University of Miami)
Diagnostic Radiology Residency (SUNY Health Science Center)

Board Certification
The American Board of Radiology

William Harmand, M.D. - Ear Nose and Throat (ENT)
 William M Harmand, MD Credentials

Bachelor of Arts Degree (Chemistry, Syracuse University)
Medical Degree (SUNY Medical Center)
Internship at Toronto General Hospital
Resident Training (University of Toronto Affiliated Hospital
University of Toronto

Board Certifications
National Board of Medical Examiners
Diplomat American Board of Otolaryngology
Aaron Huizenga, D.O. - River Community Clinic Medical Director
Credentials Bachelor of Science (University of Illinois at Urbana/Campaign)
Doctor of Osteopathic Medicine (Kirksville College of Osteopathic Medicine)
Family Practice Internship (Mercy General Health Partners)
Family Practice Residency (Mercy General Health Partners)

Board Certification
American Board of Osteopathic Family Physicians

Wayne J. Jackson, RPA-C
Credentials Physician Assistant Degree (Troy Albany Medical)

Board Certification
National Commission on Certification of Physician Assistants

Troy Johnson, M.D. - Emergency Department Medical Director
   Credentials Doctor of Medicine (Uniformed Services University of the Health Sciences)
Bachelor of Science ( Siena College)
Residency in Emergency Medicine (San Antonio Uniformed Services Health Education Consortium)
Internship in Family Practice (Martin Army Community Hospital)


Board Certification
American Board of Emergency Medicine

 Thomas Keller, MD - Medical Director of River Community Wellness Program
  Credentials

University of Kansas Medical Center (Kansas City, KS)

Residency: University of Kansas Medical Center, Department of Psychiatry (Kansas City, KS)

 

Board Certification                                                                                                  American Board of Psychiatry and Neurology in Psychiatry

 

Capt. James Koch, DO
Credentials
Bachelor of Science (University of Wisconsin River Falls)
Doctor of Osteopathy Medicine ( Kirksville College of Osteopathic Medicine, MO
 
				 
Andrew Ogden, D.O. - Gynecology (GYN)
  Credentials B.A. in Biology (West Virginia University)
Doctor of Osteopathy (West Virginia School of Osteopathic Medicine)
Rotating (Waterville Osteopathic Hospital)
Residency in Obstetrics and Gynecology (Memorial Hospital)

 

Board Certification
Osteopathic National Boards
Board Certified, Obstetrics and Gynecology
Fritz Roc, MD, F.A.C.C.
Credentials Undergraduate Studies (State University of Haiti, Port-au-Prince, Haiti)
Medical Degree (State University of Haiti, Port-au-Prince, Haiti)
Rotating Internship (State University of Haiti, Port-au-Prince, Haiti)
Advanced Courses in Pulmonary Diseases-Internship (Rockland Community College)
Internal Medicine (Bronx Lebanon Hospital Center, Albert Einstein College of Medicine)
Cardiovascular Disease Fellowship (Bronx Lebanon Hospital Center)

 

Board Certification
ABIM - Internal Medicine
ABIM - Cardiovascular Disease
The Cerficication Board of Nucelar Cardiology
The National Board of Echocardiography
Lauren Roman, MD, Family Medicine
Credentials

University at Buffalo, School of Medicine and Biomedical Science (Buffalo,NY) Residency and Internship at Family Medicine Residency Center, Carl R. Darnall Army Medical Center

 

Professional Societies American Adadimy of Family Physicians

Amanda Rydberg, RPA
Credentials Bachelor of Science, Physican Assistant (Rochester Institute of Technology)
Master of Physician Assistant Studies (University of Nebraska)

 

Board Certification
National Commission on Certification of Physician Assistants

Christopher Symenow, RPA-C
Credentials

Physician Assistant Degree (Daemon College)

Board Certification
National Commission on Certification of Physician Assistants

Alfredo Torres, MD FACP
Credentials

Board Certification
American Board of Internal Medicine (ABIM)

Training
Medical School:  University of Rochester, School of Medicine and Dentistry
Surgical Internship:  Mary Imogene Bassett Hospital
Internal Medicine Residency:  Rochester General Hospital

Professional Memberships
Fellow, American College of Physicians
American Medical Association
American College of Emergency Physicians
Society of Hospital Medicine
Society of Critical Care Medicine
 Prasad Yitta, M.D. - River Hospital Medical Director and Ambulatory Surgery Medical Director
Credentials

Medical Degree (Guntur Medical College)
Rotating Internship (Mercy Hospital)

Board Certification
American Board of Surgery

Disclaimer

Media

View photos and video of our great people and facility!

More Media

Company Details

River Hospital
4 Fuller Street,
Alexandria Bay, NY 13607

t: 315.482.2511
f: 315.482.4981
info@riverhospital.org