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Employer Direct Healthcare
Medical Advisory Board

Jennifer L. Cook, MD

Co-Chair, Medical Advisory Board, multi-disciplinary focus with emphasis on orthopedics

Jennifer L. Cook, MD

Co-Chair, Medical Advisory Board, multi-disciplinary focus with emphasis on orthopedics

Dr. Cook joined our practice in August 2006, and since her start has performed over 5700 surgeries. She completed a fellowship in adult reconstruction and sports medicine at the Insall Scott Kelly Institute in New York City. Dr. Cook is a member of the American Association of Hip and Knee Surgeons and specializes in minimally invasive surgery. She is also a member of the Arthroscopy Association of North America. She is the medical director of the brand new ambulatory surgery center, Comprehensive Outpatient Joint and Spine Institute in Odessa.

Dr. Cook has an avid interest in volunteerism and has been involved with the Good Samaritan Clinic of Pasco for over six years and currently is in her third year as Board Chair. The clinic provides free health and dental services to Pasco County residents.

Dr. Cook has been involved with the Perry Initiative for over a decade. This annual program allows local high school girls to spend a day with hands-on training in engineering and orthopedics. The lab gives these young women an opportunity to practice suturing and perform surgeries on bone models.

She co-founded the charity organization WOGO (Women Orthopedist Global Outreach).

Dr. Cook’s areas of expertise include primary knee, hip, shoulder, and reverse shoulder replacements, revision knee, and shoulder replacements, arthroscopy of the knee and shoulder, ligament reconstruction including primary and revision ACL reconstruction, primary and revision rotator cuff and labral repairs, instability surgery for the knee and shoulder, and fracture management. She also performs surgery for metastatic bone lesions. She treats all ages and can treat most pediatric orthopedic injuries. She has published numerous articles in peer-reviewed journals.

Board-certified orthopedic surgeon

Florida Joint Care Institute
– Senior partner
– Over 5,000 surgeries completed

University of Michigan, Ann Arbor, MI
– Bachelor of Science in Mechanical Engineering
– Graduated summa cum laude

Health Sciences & Technology Program of Harvard University & Massachusetts Institute of Technology
– Medical Doctorate from both institutions

Harvard Combined Orthopedic Program
– Orthopedic residency
– Appointed Chief Resident

Insall Scott Kelly fellowship in adult reconstruction and sports medicine

Marc Dean

Co-Chair, Medical Advisory Board, multi-disciplinary focus with emphasis on ENT

Marc Dean

Co-Chair, Medical Advisory Board, multi-disciplinary focus with emphasis on ENT

Marc Dean, MD is a board-certified otolaryngologist, practicing full time in private practice in Fort Worth, Texas, specializing in ear and sinus disease and disorders of the eustachian tube. He attended Baylor University for his undergraduate studies in bioinformatics, attended Texas Tech for his medical training and completed his residency program at LSU-Shreveport. Dr. Dean served as assistant professor for three additional years at LSU-Shreveport and remains on the LSU facility as a clinical professor.

Otolaryngology/Head and Neck Surgery (HNS), Dr. Dean completed an internship in general surgery and his residency at Louisiana State University Health Science Center, where he now serves as assistant professor in Otolaryngology/HNS.

As President and CEO of the Otorhinologic Research Institute, a non-profit organization focusing on the development of new treatments for ear, sinus and eustachian tube disorders, Dr. Dean hopes to raise the awareness of these conditions in local medical communities around the world.

In that capacity, he has taught, lectured and lead mission trips to multiple countries providing free information to doctors and necessary medical treatment to those in need. New endeavors include the development of a cochlear implant program in northern Iraq and a head and neck program in Vietnam.

Board-certified otolaryngologist
– Practicing full time at private practice in Forth Worth, TX
– Specializing in ear and sinus disease and disorders of the eustachian tube

Baylor University, Waco, TX
– Bachelor of Science in Bioinformatics

Texas Tech University, Lubbock, TX
– Medical Doctorate

Louisiana State University, Shreveport, LA
– Completed otorhinolaryngology residency
– Completed clinical fellowship
– Served as assistant professor

Texas Tech University Health Sciences Center, Lubbock, TX
– Serves as clinical professor

Vitruvio Institute of Medical Advancement (VIMA)
– Founded the non-profit focused on the integration of novel technologies into medical practice
– Partnered with NASA to explore the possibility of using a humanoid robot in surgical procedures
– Currently researching the use of augmented and virtual realities in surgical environments
– Currently exploring the role of navigation and nerve monitoring in diagnosing and treating neurogenic rhinosinusitis

Joshua Roller, MD

Joshua Roller, MD

Dr. Roller received his medical degree from the University of Oklahoma College of Medicine as a member of Alpha Omega Alpha (AOA), representing the top 10 percent of his class. He completed his internship and general surgery residency at the University of Texas Southwestern Medical Center at Dallas, one of the busiest and most respected surgical training programs in the country.

As a chief resident, he was given the national honor of Outstanding Laparoendoscopic Resident of the Year. He then completed a one-year fellowship in bariatric surgery at Duke University Medical Center.

Aaron Hofmann, MD

Aaron Hofmann, MD

Renowned board-certified orthopedic surgeon, Dr. Aaron Hofmann, is the founder of the Hofmann Arthritis Institute. Dr. Hofmann is also the Director of the new Center for Precision Joint Replacement at Salt Lake Regional Medical Center, providing specialized surgical services to patients with arthritis in the knees, hips and shoulders.

Dr. Hofmann served over 30 years at the University of Utah Department of Orthopaedics. He served as Chief of Orthopedics at the Veterans Administration Hospital in Salt Lake City for 29 years. He holds 19 patents on orthopaedic devices and is a surgeon designer for hip and knee prosthesis systems. A noted speaker, Dr. Hofmann is the recipient of numerous awards, and his writings have been published in dozens of medical journals and books.

A graduate of the University of Texas Southwestern School of Medicine, Dr. Hofmann completed his surgery internship and residency at Parkland Memorial Hospital in Dallas, followed by a fellowship at Montreal General Hospital. He earned a bachelor’s degree in zoology from North Dakota State University and a master’s in medicine from the University of North Dakota.

Dr. Hofmann, former Vice Chairman of International Orthopaedics at the University of Utah, founded and oversees Operation Walk Utah, a non-profit volunteer medical service organization providing hip and knee replacements to people in developing countries. He serves on the board of directors of the Great Western Region Arthritis Foundation.

Dr. Hofmann is a diplomat of the American Board of Orthopaedic Surgery and his memberships include the Knee Society, the American Orthopaedic Association, and the American Academy of Orthopaedic Surgeons, the Orthopaedic Research Society, the Society for Arthritic Joint Surgery and the Society for Biomaterials.

Robert Masson, MD

Robert Masson, MD

Internationally recognized neurosurgeon

Specializes in:
– Minimally invasive spine surgery
– Sports medicine

The University of Florida, Gainesville, FL
– Medical Doctorate in Biomedical Engineering
– Graduated with honors
– Completed Neurological Surgery Residency
– Special training in microneurosurgery and minimally invasive spine surgery

Expert consultant at Spine Health relating to sports & fitness

Has treated a variety of athletes & Olympians representing the NFL, NBA, MLB, Indycar, IMSA, ATP, PGA/LPGA tours, US Soccer, UFC, US Boxing, US Ski team, US Cycling, and US Wakeboarding

Stanley Hoehn, MD

Stanley Hoehn, MD

Union College, Lincoln, NE
– Bachelor of Science in Biology

Loma Linda University, Loma Linda, CA
– Medical Doctorate

University of Kansans, Lawrence, KS
– Completed Surgical Residency

Founded the Bariatric Center of Kansas in 2002

Medical director at the Weight Loss Surgery Program at Adventhealth Shawnee Mission

An ASMBS Bariatric Center of Excellence Surgeon since 2006

Steve Lucey, MD

Steve Lucey, MD

Clemson University, Clemson, SC
– ACC Championship, Soccer
– NCAA Championship, Soccer

Medical University of South Carolina, Charleston, SC
Medical Doctorate

Wake Forest Baptist Health, Winston-Salem, MA
– Completed five-year orthopedic residency

Completed fellowship under Dr. John Insall in NYC

Areas of specialty include:
– Sports injuries
– Knee and shoulder arthroscopy
– Ligament reconstruction
– Cartilage restoration
– Partial & total knee replacement

Joshua Carter, MD

Joshua Carter, MD

Board-certified orthopedic surgeon

University of Kentucky, Lexington, KY
– Bachelor of Science
– Graduated summa cum laude

University of Kentucky College of Medicine, Lexington, KY
– Alpha Omega Alpha (AOA) honors

OrthoCarolina Hip and Knee Center, Charlotte, NC
– Adult joint reconstruction fellowship

Shane Seroyer, MD

Shane Seroyer, MD

Board-certified orthopedic surgeon

University of Florida College of Medicine, Gainesville, FL
– Medical Doctorate

University of Pittsburgh Medical Center, Pittsburgh, PA
– Completed residency

Rush University, Chicago, IL
– Completed a sprts medicine and shoulder reconstruction fellowship

Texas Rangers Baseball
– Assistant Team Physician

Practices at the Texas Metroplex Institute (TMI) for Sports Medicine and Orthopedic Surgery

Farhan Siddiqui, MD

Farhan Siddiqui, MD

Board-certified spine surgeon

Dual fellowship-trained
– Endoscopic spinal surgery
– Reconstructive spinal surgery

Cornell University Medical College, Ithaca, NY
– Medical Doctorate

Johns Hopkins University, Baltimore, MD
– Completed fellowship
– Trained under Dr. Paul McAfee

North American Spine Surgery member

Society for Minimally Invasive Spine Surgery member

American Academy of Orthopedic Surgeons member

American Board of Orthopedic Surgeons member

Carolina Escobar, MD

Carolina Escobar, MD

Healthcare professionals understand better than most the importance of excellent care for the moments that matter most. This includes our Chief Medical Officer, Dr. Carolina Escobar. Dr. Escobar brings actual cancer care experience to the role of CMO.
Dr. Escobar is responsible for the quality of both Cancer Care Direct and SurgeryPlus. She uses her years of experience and her clinical standards to define the protocols and guidelines for both offerings. Outside of EDH, Dr. Escobar serves as a fellowship trained stem cell transplant specialist practicing at Texas Oncology in Dallas, Texas. She’s also a clinical assistant professor for Baylor Scott and White and Texas A&M, holding board certifications in internal medicine, oncology, and hematology.

Alan Davis, MD

Alan Davis, MD

Dr. Alan Davis serves on the Cleveland Clinic Innovations Committee and is a highly regarded orthopedic surgeon specializing in Sports Medicine, along with fellowship training in Foot and Ankle Surgery. In addition, Dr. Davis is a consultant to the New Products and Supply Chain Committees at the Cleveland Clinic. Dr. Davis has worked closely with Dr. Cannon since 1984 when they attended medical school together, and he has been with BioStar since 2008. Dr. Davis was an Academic All American and All Big Ten football scholar athlete as team Captain at Michigan State University, along with being president of the MSU Varsity Club. He has served as a team physician for college and professional sports teams and for USA Hockey. Dr. Davis earned his MD from Wright State University Boonshoft School of Medicine.

Grant Zarzour, MD

Grant Zarzour, MD

Born and raised in Mobile, Dr. Grant Zarzour is a fellowship-trained Total Joint Surgeon. His goals are to increase his patients activity level while reducing hip and knee pain. Continuing the lessons learned from his father, Dr. Robert Zarzour, he will focus on treating each patient like family.

Fellowship-trained Total Joint Orthopedic Surgeon | Mobile, AL

Education Undergraduate: University of Georgia, Athens, GA
Medical: University of South Alabama, Mobile, AL

Orthopedic Training
Orthopedic Surgery Residency: South Alabama Medical Center, Mobile, AL
Total Joint Fellowship: Mississippi Sports Medicine, Jackson, MS

Professional Affiliations American Academy of Orthopaedic Surgeons
Alabama Orthopaedic Association
American Association of Hip & Knee Surgeons
International Congress for Joint Reconstruction
Medical Society of Mobile County Alabama Medical Association
Frederick N. Meyer Orthopaedic Resident’s Fund
University of South Alabama Medical Alumni Association

Hospital Affiliations
Springhill Medical Center
Mobile Infirmary Medical Center
University of South Alabama Medical Center

Daniel Cottam, MD

Bariatric and General Surgery Focus

Daniel Cottam, MD

Bariatric and General Surgery Focus

Brigham Young University, Provo, UT
– Bachelor of Science degree

University of Texas Medical School, Austin, TX
– Medical Doctorate

Nassau University Medical Center, Long Island, New York
– Completed residency

University of Pittsburgh, Pittsburgh, PA
– Mark Ravitch/Leon C. Hirsch Center for Minimally Invasive Surgery
– Completed fellowship

Performed thousands of bariatric surgeries

Published groundbreaking research on inflammation in obesity and diabetes, as well as bariatric surgery

Helped pioneer both the sleeve and the single anastomosis duodenal switch

Marty Makary, MD

Marty Makary, MD

Dr. Marty Makary is a New York Times bestselling author and health care expert at Johns Hopkins University. He writes for The Wall Street Journal and served in leadership at the World Health Organization. Marty is the recipient of the 2020 Business Book of the Year Award for his most recent book, The Price We Pay, which has been described by Steve Forbes as “A must-read for every American”.

A public health researcher, Dr. Makary leads efforts to improve the health of communities and focuses on the “re-design of health care” to make health care more reliable, holistic, and coordinated, especially for vulnerable populations. He leads national efforts to increase medical transparency and lower health care costs for everyday businesses and consumers.

Clinically, Dr. Makary is the chief of Islet Transplant Surgery at Johns Hopkins and is the recipient of the Nobility in Science Award from the National Pancreas Foundation. He has been a visiting professor at over 25 medical schools, has published over 250 peer-reviewed scientific articles, and has been elected to the National Academy of Medicine. A graduate of Bucknell, Thomas Jefferson, and Harvard Universities, he completed his surgical residency at Georgetown University and his specialty training at Johns Hopkins Hospital.

Shawn Garber, MD

Bariatric and General Surgery Focus

Shawn Garber, MD

Bariatric and General Surgery Focus

Long Island Jewish Medical Center
– General surgery training

George Washington University Medical Center, Washington, D.C.
– One of the first advanced laparoscopic surgery fellowships in the country

New York Bariatric Group
– Founder and Director
– The largest bariatric surgery practice in the country
– Over 20 offices in New York, New Jersey, and Connecticut

Catholic Health System, Long Island, NY
– Chief of Bariatric Surgery

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