MEET THE iRISE MEDICAL TEAM

We want to introduce you to the iRISE Spine and Joint roster of doctors and physician assistants. We feel that our staff is second to none. Each member of our team of doctors is committed to helping you recover from your injuries. Feel free to click around and learn more about our physicians and chiropractors.

Physicians & Physician Assistants

Dr. Samuel J. Hess M.D.

Board Certified Orthopedic Spine Surgeon

College
University of Michigan
Ann Arbor, MI
1985-1989
B.S. Psychology

Medical School
Temple School of Medicine
Philadelphia, PA
1995-1999
M.D.

Residency
Albert Einstein Medical Center
Department of Orthopedic Surgery
Philadelphia, PA
July 1999-June 2004

Fellowship
Maryland Scoliosis and Spine Center
Towson, MD
Director, Paul McAfee, M.D.

Board Certification
American Board of Orthopedic Surgery Certification
July 2009

Memberships
American Academy of Orthopedic Surgeons
North American Spine Society
American College of Spine Surgeons
Society of Minimally Invasive Spine Surgery
Society of Lateral Access Surgeons

Certifications and Organizations
Development of products for use and implementation in Spine Surgery

Clinical Researcher Globus Medical: A Prospective Randomized Clinical Investigation of the FLEXUS™ Interspinous Spacer: A Pivotal Study enrolled 30 patients and treated 29. This study was to evaluate this product for the treatment of Stenosis compared to FDA approved XSTOP.

CLE and CEU Certification

Peter Warheit, M.D.

Anesthesiologist specializing in Interventional Pain Management

College
University of Vermont
Burlington, VT
B.A.

Medical School
Autonomous University of Guadalajara, Mexico
M.D.

Residency
Albert Einstein Medical Center
Department of Orthopedic Surgery
Philadelphia, PA
July 1999-June 2004

Fifth Pathway Program
Queens General Hospital
Queens, NY

Fellowship
University Hospital at Stony Brook
Stony Brook, NY
Surgical Internship and Residency, PGY I & II.

Mount Sinai Medical Center
New York, NY
Anesthesiology Residency

Board Certification
Diplomat, American Board of Anesthesiology, October 1986

Professional Organizations
American Society of Anesthesiologists
International Anesthesia Research Society
Florida Society of Anesthesiology

Richard G. Valenzuela, M.D.

Orthopedic Surgeon

Education
Medical School & Post-graduate
Universidad Autonoma de Guadalajara, Guadalajara, Mexico
Universidad de Chile, School of Medicine
Instituto Mexicano del Seguro Social, Centro Medico Nacional Siglo XXI • University of Puerto Rico
Mayo Clinic Rochester
Residency
University of Puerto Rico
Fellowship
Detroit Medical Center

Memberships
Mayo Medical Alumni Association
Sigma Xi, The Scientific Research Society
Central Society for Clinical Research
American Orthopaedic Society for Sports Medicine
Arthroscopy Association of North America
American Medical Association
American Academy of Orthopaedic Surgeons
Detroit Academy of Orthopaedic Surgery

Derrick A. Dupré, M.D., F.A.C.S(a)

Board-eligible Neurosurgeon

Medical School
•Texas Tech University School of Medicine
Fellowship
•Allegheny General Hospital, Pittsburgh, PA
Undergraduate
•University of Texas at Austin
Military
•United States Navy

MEMBERSHIPS

• American College of Surgeons
• Congress of Neurological Surgeons
• American Association of Neurological Surgeons
• Pennsylvania Neurosurgical Society
• North American Skull Base Society
• American Medical Association
• Pennsylvania Medical Association

PROFESSIONAL POSITIONS
• Chief of Neurosurgery, St. Vincent Hospital, Erie, PA
• Pediatric Neurosurgery, Penn State Hersey Medical Center
• Neurosurgery Residency, Allegheny General Hospital

Specialized Procedures
Performed
Concussion Treatment
Fractures of the Spine-
Kyphoplasty
SI Joint Fusion
Anterior Cervical
Discectomy and Fusion
ACDF
Total Cervical Disc
Replacement TDR
Laminectomy/Discectomy
Percutaneous Discectomy
Lumbar Facet Fusion
Lumbar Posterior Spinal
Fusion
Laser Ablation-similar to
RFA
Carpal Tunnel Surgery
Peripheral nerve
Procedures
Anterior Lumbar Interbody
Fusion-ALIF
Oblique Lateral Lumbar
Interbody Fusion-OLIF
Transforaminal Lumbar
Interbody Fusion -TLIF
Spinal Cord Stimulators

Samuel P. Popinchalk, M.D.

Orthopedic Spine Surgeon

EDUCATION & BACKGROUND
Medical School
• Tulane University School of Medicine, New Orleans, LA Doctor of Medicine
• Worcester Polytechnic Institute, Worcester, MA Bachelor of Science,
Biotechnology (Honors)

Fellowship
• University of Miami Hospital & Jackson Memorial Hospital Adult Spinal
Surgery
• Miami Children's Hospitals - Pediatric Spinal Surgery

Undergraduate
• Worcester Polytechnic Institute

Residency
• Temple University Hospital, Philadelphia, PA
Orthopedic
Spine Surgeon
Samuel P. Popinchalk, M.D.

PROFESSIONAL POSITIONS
• Assistant Professor, Department of Orthopedic Spine Division, Jackson
Memorial Health System, University of Miami

PATENTS
• Method for Diagnostically Imaging Lesions in the Peripheral Nervous
System; U.S. Patent Application No. 61/558,805

HONORS & AWARDS
• Special Recognition Award, Structural and Cellular Biology Department,
Tulane University School of Medicine for service following hurricane Katrina
• Graduated with Honors Distinction Worcester Polytechnic Institute,
Worcester, MA

Specialized Ortho
Procedures
Performed
Fractures of the Spine-
Kyphoplasty
SI Joint Fusion
Anterior Cervical
Discectomy and Fusion
ACDF
Total Cervical Disc
Replacement TDR
Laminectomy/Discectomy
Percutaneous Discectomy
Lumbar Posterior Spinal
Fusion
Laser Ablation-similar to
RFA
Carpal Tunnel Surgery
Peripheral nerve
Procedures
Anterior Lumbar Interbody
Fusion-ALIF
Transforaminal Lumbar
Interbody Fusion -TLIF
Spinal Cord Stimulators

Christopher Hayhurst

Physician Assistant

University of Central Florida
Degree NameBachelor of Science - BS

Florida International University
Master of Science - MSF
Athletic Training/Trainer
2010 – 2012

Miami Dade College
Physician Assistant Associate in Science
Physician Assistant Program
2017 – 2019

John (Jack) Crocco, MMS, PA-C

Physician Assistant

College
University of Delaware,
Newark, DE
May 2013
B.S. Exercise Physiology (Academic Scholar)

Physician Assistant Program
Nova Southeastern University
Fort Lauderdale, FL
August 2015
MMS
Certifications and Memberships
Association of Neurosurgical Physician Assistants
American Academy of Physician Assistants
Florida Academy of Physician Assistants

Awards, Honors, and Leadership
Group Leader, American Diabetes Association, community outreach project Volunteer Mentor, Juvenile Diabetes Research Foundation

Eagle Scout Award Phi Sigma Pi National Honors Fraternity – various Chair positions

Robert Getter

Board Certified Orthopedic Surgeon

Education
Ross University School Of Medicine Dominica, West Indies. Degree: M.D.

Fellowship
Spine Institute of Arizona, Scottsdale, AZ 2011-2012

Residency
PGY-5 Chief Resident Maimonides Medical Center Brooklyn, New York, 2006-2011

Internship
University Of Florida Shands Hospital Gainesville, Florida

Memberships
North American Spine Society
American Academy Of Orthopaedic Surgeons

Board Certifications
American Board Of Orthopaedic Surgery

Pattanam Srinivasan, M.D.

Board-certified Anesthesiologist, Interventional Pain Management

Education
Medical School
Donetsk Medical Institute, Ukraine
Internship & Residency
University of Arkansas
University of Washington
Morehouse School of Medicine

Honors & Awards
Recognized as an exceptional pain physician in the national interests by the Department of Justice and Homeland Security in 2005

Board Certification
American Board of Anesthesiology
American Board of Pain Medicine

Memberships
Diplomate. American Board of Anesthesiology
Diplomate, American Board of Pain Medicine

Pedro Tort-Saade

Board Certified Orthopedic Surgeon

Education
Universidad Central del Caribe School of Medicine, Bayamon, Puerto Rico, 1994-1998

Residency
University of Puerto Rico

Fellowship
Rush University Medical Center, Chicago, 2005 Union Baltimore Hospital, Baltimore, MD, 2005 Thomas Jefferson University Hospital

Certifications
Subspecialty Certification in Orthopedic Sports Medicine

Memberships
American Orthopedic Society of Sports Medicine
Arthroscopy Association of Orthopedic Surgery
American Association of Orthopedic Surgery
American Medical Association 1998-2000
Puerto Rican Society of Orthopedics and Traumatology 1999-2005

Board Certification
American Board of Orthopedic Diplomat, 2009
Board Certified Sports Medicine
Board Certified in Orthopedic Surgery

Chiropractors

Jennifer Englander, DC

Chiropractor

Education
Life University
Marietta, Georgia
1995-1998
D.C.

Florida Atlantic University
Boca Raton, FL
1992-1994
B.A.

Certifications
National Board of Chiropractic Examiners Parts I-III

Lauren Lira, DC

Chiropractor

Education
National University of Health Sciences
Pinellas Park, FL
2001-2004
D.C.

Indiana University
Bloomington, IN
1998-2000
B.S. Human Biology

University of Florida
Gainesville, FL
1995-1997
B.S. Biology (minor in Psychology)

Certifications
Florida Certification Board
Chiropractic Acupuncture, 2015
Certified Addiction Professional, 2012

Angela Walker, DC

Chiropractor

Education
State of Florida Physician License, 2016

Life University
Marietta, GA
2010-2014
D.C.

North Carolina A&T University
Greensboro, NC
1995
B.S. Laboratory Animal Science
Dean’s List, MBRS Scholarship
Recipient & USDA Scholarship Recipient

Certifications
State of Florida Professional Teacher Certificate, 2006-2011
State of Georgia Professional Teacher Certificate, 2008-2011

Kevin M. Lopez, DC

Chiropractor

Education
National College of Chiropractic
Lombard, IL
1995-1998
B.S. Human Biology; D.C.

University of Pennsylvania
Pennsylvania, PA
1988-1992
B.A. Biology

Eugene J. Lustgarten, DC

Chiropractor

Education
New York Chiropractic College
Seneca Falls, NY
D.C.

State University of New York
Albany, NY
B.S. Biology

Certifications
Advance Proficiency Rated Activator Methods
Credentialed and a Provider for Medicare, Aetna, Cigna, BC/BS, United, Humana, ASH, and Optum Health Plans

Henry Sanon, DC

Chiropractor

Education
Life University
Marietta, GA
1997
D.C. (Magna Cum Laude)

University of Miami
Miami, FL
1993
Miami Project to Cure Paralysis
Molecular Neurobiology and Biochemistry

University of Miami
Coral Gables, FL
1985
B.A. Chemistry and Psychology

Kimberly Prince, DC

Chiropractor

Education
Texas Chiropractic College
Pasadena, TX
2003
D.C. (Cum Laude)

Life University
Marietta, GA
2000-2002
Major: Chiropractic

Florida Atlantic University
Boca Raton, FL
1997
B.S. Biology-Zoology

Certifications
National Board of Chiropractic Examiners
Parts I, II, III, IV, and PT Florida Chiropractic Board Examination, 2004

Anthony Danieli, DC

Chiropractor

Education
Life Chiropractic College
Marietta, GA
1989
D.C.

Suffolk University
Boston, MA
1982
B.S.

Nelinda Lopez, DC

Chiropractor

Education
State of Florida Chiropractic Physician License, 2008

Parker College of Chiropractic
Dallas, TX
2005-2008
D.C.; B.S. Anatomy
B.S. Health and Wellness

National Board of Chiropractic Examiners
Dallas, TX
2006-2007
Passed National Board Exams I, II, III, IV, and Physiotherapy

Indya Denson, DC

Chiropractor

Education
Palmer College of Chiropractic
Port Orange, FL
2011
D.C.

Bethune Cookman College
Daytona Beach, FL
2007
B.S. Biology

Natalie J. Rowles, DC

Chiropractor

Education
Life University College of Chiropractic
Marietta, GA
January 2005 – June 2008
D.C. (Magna Cum Laude)

University of Florida
Gainesville, FL
June 1998 – May 2003
B.S. Nutrition
2nd major in Microbiology

Certifications
Certified in Physiotherapy, National Board of Chiropractic Examiners
Certified Chiropractic Wellness Practitioner Program, International Chiropractors Association
Activator Methods Chiropractic Technique Seminars
HIV/AIDS and Infectious Diseases Training, Florida Chiropractic Association
Breastfeeding Training, Palm Beach County Health Department

Shaun Jennings, DC

Chiropractor