angela-adomakoAngela A. Adomako, MD

716-376-2348

Specialty – Obstetrics/Gynecology

Residency – St. Luke’s – Roosevelt Hospital, New York, N.Y., Albany Medical Center, Albany, N.Y.

Medical Education – Albany Medical College, Albany, N.Y.

Board Certification – American Board of Obstetrics and Gynecology board eligible

Office at OMG Main


Andrew J. Berger, MDAndrew Berger, MD

716-699-4332

Specialty – Family Practice

Medical Education – Catholic University of Loubain, Belgium

Internship – Beth Israel Medical Center, New York, N.Y.

Residency – Tufts University, Boston, MA

Office at OMG Ellicottville


othoniel-castroOthoniel Castro, MD

716-376-2321

Specialty – Neurology

Fellowship – Neurophysiology and Epilepsy, Vanderbuilt University Medical Center, Nashville, TN

Residency – State University of New York, Syracuse NY

Internship – University of Missouri, Kansas City, MO

Medical Education – Universidad Central Del Este, San Pedro de Macoris Dominican Republic

Board Certification – American Board of Psychiatry and Neurology

Office at OMG Main


william-cihakWilliam G. Cihak, MD

716-376-2326

Specialty – Internal Medicine

Residency – Yale University/Greenwich Hospital, Greenwich, CT

Internship – Yale University/Greenwich Hospital, Greenwich, CT Medical

Education – New York Medical College, Valhalla, NY Board

Office at OMG Main


matthew-coxMatthew R. Cox, MD

716-376-2237

Specialty – Cardiology

Fellowship – SUNY at Buffalo, Buffalo, NY

Residency – Loyola University Medical Center, Maywood, IL

Internship – Loyola University Medical Center, Maywood, IL

Medical Education – Southern Illinois University School of Medicine, Springfield, IL

Board Certification – American Board of Internal Medicine, Internal Medicine, American Board of Internal Medicine, Cardiovascular Disease

Office at OMG Main


peter-godfreyPeter Godfrey, MD

716-376-2277

Specialty – Internal Medicine

Sub-Specialty – Industrial Medicine

Residency – Rochester General Hospital, Rochester, NY

Internship – Rochester General Hospital, Rochester, NY

Medical Education – Albany Medical College, Albany, NY

Board Certification – American Board of Internal Medicine

Practice restricted to Occupational Medicine


arthur-greeneArthur S. Greene, MD

716-376-2223

Specialty – Urology

Residency – Albany Medical Center, Albany, NY, and Buffalo General Hospital, Buffalo, NY

Medical Education - Hahnemann University College & Hospital, Philadelphia, PA

Board Certification – American Board of Urology

Office at OMG Main



ricardo-ilustreRicardo P. Ilustre, MD

716-376-2278

Specialty – Pediatrics

Fellowship – Clinical Pharmacology Toxicology, University of California, San Francisco, CA

Residency – Beth Israel Medical Center, New York, NY

Internship – Beth Israel Medical Center, New York, NY

Medical Education – Far Eastern University, Dr. Nicanor Reyes Medical Foundation, Phillipines

Office at OMG Main


roger-kleinRoger Klein, MD

716-376-2348

Specialty – Obstetrics/Gynecology

Fellowship – Reproductive Endocrinology and Infertility, University of Medicine and Dentistry, Newark, NJ

Residency – St. Luke’s-Roosevelt Medical Center, New York, NY

Internship – St. Luke’s-Roosevelt Medical Center, New York, NY

Medical Education – New York University Medical School, New York, NY

Board Certification – American Board of Obstetrics and Gynecology

Office at OMG Main


fred-lewisFred H. Lewis, MD

716-376-2416

Specialty – Allergy and Immunology

Fellowship – Allergy, University of Michigan, Ann Arbor, MI

Residency – Beth Israel Medical Center, New York, NY

Internship – Beth Israel Medical Center, New York, NY

Medical Education – New York Medical College, New York, NY

Board Certification – American Board of Internal Medicine, American Board of Allergy and Immunology

Office at OMG Main


Oehman.140.170Donna M. Oehman, MD

716-676-2212

Specialty – Internal Medicine

Residency – Buffalo General Hospital, Buffalo, NY

Internship - State University of New York at Buffalo, Buffalo, NY

Medical Education – State University of New York at Buffalo, Buffalo, NY

Office at Franklinville Satellite


 


arkady-petermanArkady Peterman, MD

716-376-2266

Specialty – Internal Medicine

Fellowships – Gastroenterology, Orenburg Medical Academy, Orenburg, Russia; Pulmonology, Postgraduate Training Institute, Saint Petersburg, Russia; Cardiology, Orenburg Medical Academy, Orenburg, Russia and Post Graduate Training Institute, Saint Petersburg, Russia

Residency – St. Mary’s Health Center, St. Louis, MO

Internship – St. Mary’s Health Center, St. Louis, MO

Medical Education – Orenburgskaya Medicinskaya Akademia, Orenburg, Russia

Board Certification – American Board of Internal Medicine

Office at OMG Main


pamela-salzmannPamela T. Salzmann, DO

716-376-2390

Specialty – Pediatrics

Residency – Phoenix Children’s Hospital, Phoenix AZ; Geisinger Medical Center, Geisinger, PA

Internship – St. Luke’s Hospital, Denver, CO

Medical Education – Philadelphia College of Osteopathic Medicine, Philadelphia, PA

Board Certification – American Board of Pediatrics

Office at OMG Main


david-shulmanDavid S. Shulman, MD

716-376-2258

Specialty – Family Practice

Residency – Milton S. Hershey Medical Center, Hershey, PA

Internship – Milton S. Hershey Medical Center, Hershey, PA

Medical Education – Boston University, Boston, MA

Board Certification – American Board of Family Practice

Office at OMG Main


jin-songJin Hwa Song, MD

716-376-2237

Specialty – Cardiology

Fellowship – State University of New York at Buffalo, Buffalo, NY

Residency – State University of New York at Buffalo, Buffalo, NY

Internship – The Catholic University of Korea, Seoul, South Korea

Medical Education – Ewha Women’s University School of Medicine, Seoul, South Korea

Board Certification – American Board of Internal Medicine, Internal Medicine and Cardiology

Office at OMG Main


prerna-soodPrerna Sood, MD

716-376-2258

Specialty – Internal Medicine

Residency – Bronx-Lebannon Hospital Center, Bronx, N.Y.

Medical Education – N. Haryana P.T. Bhagwat Dayal Sharma Medical School, Rohtak, India

Board Certification – American Board of Internal Medicine

Office at OMG Main


thomas-spigelG.Thomas Spigel, MD

716-376-2282

Specialty – Dermatology

Residency – Mayo Clinic, Rochester, MN

Internship – Hartford Hospital, Hartford, CT

Medical Education – Jefferson Medical College, Philadelphia, PA

Board Certification – American Board of Dermatology

Office at OMG Main


john-weinholdJohn R. Weinhold, Jr., MD, FACP

716-376-2311

Specialty – Medical Oncology and Hematology

Fellowship in Hematology – Mount Sinai Hospital, New York, NY,

Fellowship  in Oncology – Buffalo VA and Roswell Park Cancer Institute, Buffalo, NY

Residency and Medical Internship – Mount Sinai Services, City Hospital Center, Elmhurst, NY

Medical Education – Sackler School of Medicine, Tel Aviv University, Ramat Aviv, Israel.

Board Certification – American Board of Internal Medicine; Internal Medicine; American Board of Internal Medicine; Hematology; American Board of Internal Medicine, Oncology

Memberships – American College of Physicians, American Society of Clinical Oncology, American Society of Hematology, AMA, Medical Society of the State of New York

Office Located at OMG Main


gilbert-witteGilbert N. Witte, MD

716-376-2326

Specialty – Internal Medicine

Sub-Specialty – Pulmonology

Fellowship – Pulmonology, Medical Center of Vermont, Burlington, VT

Residency – Medical Center Hospital of Vermont, Burlington, VT

Internship – Medical Center Hospital of Vermont, Burlington, VT

Medical Education – Tufts University School of Medicine, Boston, MA

Board Certification – Board Certified in Internal Medicine, Pulmonary Disease, and Critical Care Medicine by the American Board of Internal Medicine

Office at OMG Main


thaddeus-wojcikThaddeus S. Wojcik, MD

716-376-2251

Specialty – Gynecology

Residency – State University of New York at Buffalo Affiliated Hospital, Buffalo, NY

Internship – Buffalo General Hospital

Medical Education – State University of New York at Buffalo, Buffalo, NY

Board Certification – American Board of Obstetrics and Gynecology

Office at OMG Main


Worczak_Marianna13[2]Marianna Worczak, MD

716-376-2258

Specialty – Family Practice with Obstetrics, Pediatrics, Adult Medicine

Residency – University of Vermont/Fletcher Allen Healthcare, Burlington, VT

Medical Education – University of Miami Miller School of Medicine, Miami. FL

Board Certification – American Board of Family Practice

Office at OMG Main


Marti Brotka, FNP-CBrotka.140.170

716-376-2390

Specialty – Pediatrics

Medical Education – Grand Canyon University, Phoenix, AZ

Board Certification – American Nurses Credentialing Center

Office at OMG Main


tami-buzzardTami L. Buzzard, DNP

716-376-2237

Specialty – Cardiology

Medical Education – Daemen College, Amherst, NY

Board Certification – American Nurses Credentialing Center

Office at OMG Main and Port Allegany


susan-doughertySusan E. Dougherty, CNM,NP

716-376-2348 – Olean Office
585-968-3210 – Cuba Office

Specialty – Obstetrics/Gynecology

Medical Education – Columbia University, New York, NY
University of Rochester, Rochester, NY

Office at OMG Main and Cuba Satellite


green_color[2]Nichole T. Green, PA

716-376-2278

Specialty – Pediatrics

Medical Education – Gannon University, Erie, PA

Board Certification – National Commission on Certification of Physician Assistants

Office at OMG Main


Renee L. Hansen, CNMHansen.140.172

Specialty – OB/GYN

Medical Education – The Midwifery Institute at Philadelphia University, Masters in Nurse Midwifery

Office at OMG Main, Ellicottville, and Franklinville



kelly-keechKelly A. Keech, DNP

716-376-2266

Specialty – Internal Medicine

Medical Education – Thomas Jefferson Universtiy, Philadelphia, PA

Board Certification – American Nurses Credentialing Center

Office at OMG Main


richard-larssonRichard D. Larsson, PA

716-676-2212

Specialty – Family Practice

Medical Education – State University of New York at Stoneybrook, NY

Office at OMG Franklinville


Brenda S. Mertsock, PA-C

716-376-2282brenda-mertsock

Specialty – Endocrinology/Diabetes/Metabolism

Medical Education – Lock Haven University, Lock Haven, PA

Board Certification – National Commission on Certification of Physician Assistants

Office at OMG Main and Port Allegany


 

Pecherzewski_Brad-14Brad Pecherzewski, FNPC

585-968-3210

Specialty – Family Practice

Medical Education – Masters of Science in Nursing, D’Youville College, Buffalo, NY – Family Nurse Practitioner Program

Board Certification – American Nurses Credentialing Center

Office at OMG Cuba


Laura A. Pecorella, RPA-CPecorella.140.170

Specialty – Neurology

Medical Education – B.S. in Physician Assistant Studies, D’Youville College, Buffalo, NY

Office at OMG Main


michael-presuttiMichael F. Presutti, PA

716-376-2278

Specialty – Family Practice

Medical Education – New York University at Stony Brook

Office at OMG Main


michelle-sillikerMichelle A. Silliker, NP

716-699-4332

Specialty Family Practice

Medical Education – Community General Hospital, Syracuse, NY

Board Certification – American Academy of Nurse Practitioners

Office at OMG Ellicottville


christine-wildChristine A. Wild, ANP

716-376-2266

Specialty – Internal Medicine

Medical Education – Master of Science, Adult Nurse Practitioner, Daemen College, Amherst, NY

Board Certification – American Nursing Credentialing Center

Office at OMG Main and Ellicottville


christa-zenoskiChrista L. Zenoski, FNP

585-968-3210

Specialty – Family Practice

Medical Education – Frontier School of Midwifery and Family Nursing, Hyden, KY

Board Certification – American Nursing Credentialing Center

Office at Cuba Satellite