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Dr. Darin Davidson is a board-certified orthopedic surgeon, trained epidemiologist, and medical director with deep expertise in musculoskeletal health, recovery, and whole-person wellbeing. He received his medical degree from the University of Ottawa, completed orthopedic surgery residency at the University of British Columbia, where he also earned a Master's in Epidemiology, and completed advanced fellowship training at Harvard University and the University of Toronto, with subspecialty experience in musculoskeletal oncology. His goal is to help patients move beyond fragmented care and into a more complete understanding of their health, so they can pursue strength, function, quality of life, and meaningful wellbeing over time.

A prominent general surgeon, Dr. Rangaraj specializes in minimally invasive surgery, including Robotic and Laparoscopic surgeries. He is Board Certified by the American Board of Surgery (ABS) and practices in the state of California. He has over 20 years of focused experience in the field of surgery and treats Hernia, Gallbladder disease, and conditions of the small Intestine, Colon, Appendix, Thyroid, Ano-rectal, and Breast. He also performs surgeries for various types of cancer. Dr. Rangaraj believes that every patient deserves the highest quality of care in a compassionate and professional environment, and strives to achieve that through a personalized approach to treatment.Robotic, Laparoscopic and conventional surgeries performed by Dr. Rangaraj include but are not limited to Cholecystectomy, Inguinal, Ventral, and Umbilical Hernia repair, Appendectomy,Bowel resection, Anastomosis, Colectomy, Anal Fistulotomy,Vagotomy/acid reduction surgery, and wound care.

Dr. Zapalac received his medical degree from the University of Texas-Southwestern Medical School in Dallas. Upon completion of his internship in General Surgery and residency training in Otolaryngology-Head and Neck Surgery at Parkland Memorial Hospital in Dallas, he returned to Austin to join Austin Ear, Nose, and Throat Associates in 2002. Dr. Zapalac is certified by the American Board of Otolaryngology. 

Dr. Ratcliff was born and raised in Austin. He earned his undergraduate degree from the University of Texas at Austin and completed his medical degree at the University of Texas-Southwestern Medical School in Dallas. After a General Surgery Internship at Parkland Memorial Hospital, he remained at UT-Southwestern and Parkland Memorial Hospital to complete a total of six years of research and Otolaryngology training in 2003. Dr. Ratcliff returned home to Austin in 2007 after several years of private practice in Santa Fe, NM. His medical research has been selected for publication as well as presentation at national meetings. He is board certified by the American Board of Otolaryngology and is a member of the American Academy of Otolaryngology-Head & Neck Surgery as well as the American Academy of Otolaryngic Allergy.

Boca Care Surgical Associates of Palm Beach County in Boca Raton, Florida, offers expert, compassionate care for a variety of adult colon and rectal conditions. Led by renowned surgeon Avraham Belizon, MD, FACS, FASCRS, the team provides comprehensive services on-site for treating conditions like colorectal cancer, rectal prolapse, and hiatal hernias.

Dr. Belizon is highly skilled in using minimally invasive surgical techniques to repair damage in the digestive tract. He uses the advanced, intuitive da Vinci® robotic surgical system to complete each surgery with the highest level of precision. The team at Boca Care Surgical Associates of Palm Beach County provides postsurgical follow-up care to help patients heal quickly and without complications.

In addition to minimally invasive and robotic surgery, Dr. Belizon provides surgical care for colon cancer and rectal cancer, fecal incontinence, diverticulitis, and gallbladder conditions. He customizes treatment plans based on individual needs and focuses on reducing risk factors for further complications.

Patients who need help managing a chronic colon or rectal condition can rely on the expertise of Dr. Belizon. Request a consultation online or call Boca Care Surgical Associates of Palm Beach County today.

 Hoyt Wayborn Gazaway, M.D, F.A.C.S.

Bostock Family Medicine Gwinnett Medical Group

771 Old Norcross Rd, Suite 255

Lawrenceville, GA 30046

Tel: (404)901-4075 Fax: (770)339-4585

Email: drhoytgazaway@gmail.com

 

Clinical Training & Certification:

CITI program for the protection of research participants training (Health Information Privacy and Security) (Biomedical Research)

Good Clinical Practices (GCP) trained

Work Experience: 

Clinical Research Primary and Sub-Investigator at One Health Research Clinic, Inc. Feb, 2017 -Present

Clinical Research Sub-Investigator at Perimeter Institute for Clinical Research, Inc 2014 - 2017

William Bostock & Associates Family Medicine (Pediatrics and Adults) Oct, 2011 - Present

 Buford  Complete  Health  and Wellness Center Mar, 2006 - Oct 2011

Clinical  Director of Truth's Community  Clinic,  providing  medical, dental and pharmacy needs to the poor 2003 - Present

Southern Surgical Associates 1992 - Mar, 2006

Carraway Methodist Medical Center, Birmingham, Alabama (Internship/Residency - General Surgery) 1987 -1992

Education:

Medical College of Georgia, Augusta, Georgia M.D Academic Achievement: Summa cum Laude 1987

Professional Certification:

American Board of Surgery, Board Certified 1993

Fellow of the American College of Surgeons 1995 

Professional Society Memberships:

American Medical Association 1992

Gwinnett/Forsyth County Medical Society 1992

American Board of Surgery, Diplomate 1993

Fellow of the American College of Surgeons 1995

Professional Honors:

Alpha Omega Alpha Honor Medical Society 1986

Clinical Research Trial Expirience: 

BAY98-7106/14725: A multicenter, randomized, double-blind, active-controlled study of nifedipine GITS and candesartan in fixed-dose combination in adult subjects with moderate to severe essential hypertension who are naYve to any anti-hypertensive drug treatment (Bayer); 2013.

A Randomized, Double Blind, Placebo-Controlled, Phase m Study to Evaluate the Efficacy, Safety, and Tolerability of JNJ-27018966 in the Treatment of Patients With Diarrhea­ Predominant Irritable Bowel syndrome; Study# 270189661B83002; Furiex Pharmaceuticals; 2013

A Phase ill Clinical Trial to Study the Safety and Efficacy ofMK-1293 Compared to Lantus in Subjects With Type 1 Diabetes Mellitus, Merck Sharp & Dahme Corporation, Principal Investigator, 2013-2016 

A Randomized, Placebo-controlled Clinical Trial to Evaluate Cardiovascular Outcomes After Treatment with Exenatide Once Weekly in Patients with Type 2 Diabetes Mellitus, Duke University/ Amylin Pharmaceuticals, LLC, Principal Investigator, 6/2013- 2016.

A Multicenter, Randomized, Active-Control, Phase 3B Study to Evaluate the Cardiovascular Safety of Febuxostat and Allopurinol in Subjects with Gout and Cardiovascular Comorbidities. Takeda, 2014.

Effect of Liraglutide on Body Weight in Non-Diabetic Obese Subjects or Overweight Subjects with Co-Morbidities. A Randomized, Double-Blind, Placebo Controlled, Parallel Group, Multi­ Centre, Multinational Trial with Stratification of Subject to either 56 or 160 Weeks of Treatment Based on pre-Diabetes Status at Randomization. Novo Nordisk, 7/2014.

A Double-Blind, Randomized, Placebo-Controlled, Multicenter Study Assessing the Impact of Additional LDL-Cholesterol Reduction on Major Cardiovascular Events When AMG 145 is Used in Combination With Statin Therapy in Patients with Clinically Evident  Cardiovascular Disease. Amgen, Inc., 7/2014.

A Randomized, Double-blind, Placebo-controlled, Phase 3 Study to Evaluate the Efficacy, Safety, and Tolerability of JNJ-27018966 in the Treatment of Patients With Diarrhea­ Predominant Irritable Bowel Syndrome. Furiex Pharmaceuticals, Sub-Investigator, 11/2012- 8/2014.

A Multicenter Randomized, Double-Blind, Phase 2 Study to Evaluate the Effect of Febuxostat versus Placebo on Renal Function in Hyperuricemia and Moderate to Severe Renal Impairment. Takeda, 2014.

AMG 20120138: A Multicenter, Controlled, Open-label Extension (OLE) Study to assess the Long-term Safety and Efficacy of AMO 145 (Amgen); 2013-2016.

AMO 20110116: A Double-blind, Randomized, Multicenter Study to Evaluate Safety and Efficacy of AMO 145, Compared With Ezetimibe, in Hypercholesterolemic Subjects Unable to Tolerate an Effective Dose of a HMG-CoA Reductase Inhibitor (Amgen); 2013- 2016.

A Double-Blind, Randomized, Placebo-Controlled, Multicenter Study Assessing the Impact of Additional LDL-Cholesterol Reduction on Major Cardiovascular Events When AMO 145 is Used in Combination With Statin Therapy in Patients with Clinically Evident Cardiovascular Disease. Amgen, Inc, 2014- 2016.

Phase III Trial to Confirm the Anti-angina! Effect of T89 in Patients with Stable Angina (CAESA Study), Tasly Pharmaceuticals, Inc, Principal Investigator, 7/2014-2016.

A Phase 2, Randomized , Double-Blind, Multicenter, Placebo Controlled Study to Evaluate the Efficacy and Safety of Febuxostat 40 mg XR, 80 mg XR, 40 mg IR and 80 mg IR in Subjects with Gout and Moderate Renal Impairment, Takeda Development Center Americas, Inc, Principal Investigator, 8/2014-2016.

A Phase III, Randomized, Double-Blind, Multicenter Study to Evaluate the Efficacy and Safety of the Combination of Ertugliflozin (MK-8835/PF-04971729) with Sitagliptin Compared with Ertugliflozin Alone and Sitagliptin Alone, in the Treatment of Subjects with T2DM With Inadequate Glycemic Control on Metformin Monotherapy, Merck Sharp & Dohme Corporation, Principal Investigator, 12/2014- 2016.

A Randomized, double-blind, double-dummy, parallel-group, multi-center Phase IIb study to assess the efficacy and safety of different dose combinations of an aromatase inhibitor and a progestin in an intravaginal ring versus placebo and leuprorelin/ leuprolide acetate in women with symptomatic endometriosis over a 12 week  treatment period;   Bayer HealthCare AG; Study Number:    Bay 98-7196 I 15832; 2015

"A Phase 2 Randomized, Double-Blind, Placebo-Controlled Parallel Group Multi-Center Study To Evaluate The Efficacy and Safety ofTTP273 Following of 12 Weeks Administration In Subject With Type 2 Diabetes Mellitus On a Stable Dose of Metformin"; Sponsor: vTv Therapeutics; Protocol#; TTP273-201; 5/ 2016-2017

A Phase III Study to Evaluate the Efficacy and Safety of Elagolix in Combination with Estradiol/Norethindrone Acetate for the Management of Heavy Menstrual Bleeding Associated with Uterine Fibroids in Premenopausal Women; Protocol#: M12-815; Sponsor: AbbVie; 4/2016-2017

A Phase III Study to Evaluate the Efficacy and Safety of Elagolix in Combination with Estradiol/Norethindrone Acetate in Subjects with Moderate to Severe Endometriosis Associated Pain; Protocol#: M12-702; Sponsor: AbbVie; 4/2016- 2017

A Phase 3 Double-Blind, Placebo-Controlled study to assess the efficacy, safety, and tolerability ofNKTR-181 in Opioid Naive Subjects with Moderate to Severe Chronic Low Back Pain; Nektar Therapeutics; Protocol Number: 14-181-07; 3/2016

A Phase 3 Double-Blind, Placebo-Controlled study to assess the efficacy, safety, and tolerability ofNKTR-181 in Opioid Naive Subjects with Moderate to Severe Chronic Noncancer Pain; Nektar Therapeutics; Protocol Number: 14-181-08; 3/ 2016

A Phase 3 Randomized, Double-Blind, Active-Controlled, Multicenter Study of The Long-Term Safety and Efficacy Of Subcutaneous administration Of Tanezumab In Subjects With Osteoarthritis Of The Hip Or Knee; Sponsor: Pfizer; Protocol#: A4091058; 3/2016

A Phase 3, Multicenter, Long-Term Observational Study of Subjects From Tanezumab Studies Who Undergo a Total Knee, Hip or Shoulder Replacement; Sponsor: Pfizer; Protocol #: A4091064; 3/ 2016.

A Phase 2 Multi-Center, Double-Blind, Randomized, Vehicle-Controlled, Ascending Dose Study Assessing Tolerability, Safety, and Efficacy of Topical NVNIOOO in Subjects with External Genital Warts and Perianal Warts; Sponsor: Novan, Inc.; Protocol#: NI-WA201; 5/2016.

A Phase 3 Double-Blind, Placebo-Controlled study to  assess  the efficacy,  safety,  and tolerability ofNKTR-181 in Opioid Naive Subjects with Moderate to Severe Chronic Low Back Pain; Nektar Therapeutics; Protocol Number: 14-181-07; 2016.

A randomized, double blind, placebo-controlled, phase 2b dose ranging study to assess the efficacy and safety of OBE2l 09 in subject with endometriosis associated pain.

A Phase 3, multicenter, randomized, double-blind, placebo-controlled study investigating the efficacy and safety of daily oral administration of OBE2109 alone and in combination with add­ back therapy for management of heavy menstrual bleeding associated with uterine fibroids in premenopausal woman.

Liberty 2: An International Phase 3 Randomized, Double-blind, Placebo-Controlled Efficiancy and Safety study to Evaluate Relugolix Co-Administered with and ,without Low-Dose Estradiol and Norethindrone Acetate in Women with Heavy Menstrual Bleeding Associated with Uterine Fibroids.

Spitit l: An International Phase 3 Randomized, Double -blind, Placebo-Controlled Efficacy and Safety Study to Evaluate Relugolis Administered with and sithout Low-Dose Estrodiol and Norc1hindrone Acetate in Women with Endometriosis-Associated Pain.

A 26 week, Multicenter, Randomized, Placebo-Controlled, Double Blind, Parallel Group, Phase 3 Trial with a 26 week Safety Extention Period Evaluating the Safety and Efficacy of Dapagliflozin 5 and 10 mg, and Saxagliptin 2.5 and 5 mg in Pediatric Patients with Type 2 Diabetes Mellitus who are between 10 and below 18 years of age

A Phase 3, Open-lable, Multicenter, 12 month Safety and Tolerability Study of SHP465 in Children Aged 4 to 12 Years Diagnosed with Attention-deficit/Hyperactiveity Disorder.

A Phase 3, Randomized, Double-blind, Multicenter, Placebo-controlled, Fixed-Dose, Efficacy, and Sfery Study ofSHP465 in Children Aged 6-12 years with Attention-Deficit/Hyperactive Disorder(ADHD) 

A Randomized, Double-blind, Placebo-controlled Phase 2 Study to Evaluate the Testicular

Safety of Filgotinib in Adult Males with Moderately to Severely Active Ulcerative Colitis

A Randomized, Double blind, Placebo-controlled Phase 2 Study to Evaluate the Testicular Safety of  Filgotinib in Adult Males with Moderately to Severely to Severely Active Inflamatory Bowl Disease.

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Aesthetica Houston Med Spa in Tomball, Texas, offers a full spectrum of nonsurgical age-reversing treatments. Master injector and aesthetic specialist Sarah Hill, FNP-C, MSN, BSN, RN-BC, and the team take an integrative approach to care and only recommend treatments that provide natural-looking results.

Aesthetica Houston Med Spa offers innovative services to help patients look and feel their best, including microneedling, facials, skin tightening treatments, acne scar removal, dermaplaning, and vaginal revitalization.

To smooth out lines and wrinkles and enhance natural features, the med spa offers Botox® and fillers. 

Dedicated to enhancing natural beauty and health, Aesthetica Houston Med Spa includes platelet-rich plasma (PRP) in treatments like microneedling, filler injections, and vaginal revitalization. The med spa also uses PRP for hair restoration.

To schedule a consultation at one of Houston’s top med spas, call Aesthetica Houston Med Spa or book an appointment online today.

Dr. Charles Austin Hunt, II, MD, FACS, RVT, of Alabama Vein & Restoration Medspa, is highly skilled in the field of Phlebology, general surgery, and cardiovascular and thoracic surgery. Currently, in private practice in Vestavia Hills, Alabama, he has over 22 years of experience in vascular medicine.

In 1996, he completed both his undergraduate and medical degrees at the University of Indiana, in Indianapolis. He completed his residency in Birmingham, Alabama, at Carraway Medical Center, and received his specialization in cardiovascular medicine the AB Chandler Medical Center in Lexington, Kentucky.

With certifications to practice medicine in Indiana, Tennessee, and Alabama, Dr. Hunt has also served on the faculty for the University of Tennessee, in Knoxville, Tennessee.

Dr. Hunt specializes in the treatment of vein disorders using modern technologies, such as endovenous laser ablation, microphlebectomy, and sclerotherapy. To date, he has completed over 10,000 endovenous laser procedures to treat varicose vein disease.

Practicing alongside a highly skilled and knowledgeable staff, Dr. Hunt strives to provide the best in care for vein disorders at Alabama Vein & Restoration Medspa.

About Dr. Taylor

Robert Taylor, MD, is an expert in the management of cerebrovascular disorders. At Link Integrated Healthcare in Oxnard, Camarillo, and Santa Baraba, California, he practices neurointerventional surgery, neurocritical care, and vascular neurology.  

Dr. Taylor has previously served as director to the Vascular Neurology Fellowship and site director to the Endovascular Surgical Neuroradiology Fellowship at the University of Minnesota/Fairview Hospital and the Hennepin County Medical Center in Minneapolis. He was recognized as one of the Best Doctors in America® in 2013 and America’s Best Doctors® in 2021.  

Dr. Taylor He is a member of the American Stroke Association (ASA), the American Academy of Neurology (AAN), the Neurocritical Care Society (NCS), a senior member of the Society of Neurointerventional Surgery (SNIS), and a founding member of the Society of Vascular and Interventional Neurology (SVIN).  

Dr. Taylor has published and given numerous lectures on the latest treatments of ischemic stroke, hemorrhagic stroke, subarachnoid hemorrhage, and neuroendovascular techniques and protocols.

About Dr. Xenophontos

Xenophon P. Xenophontos, MD, FACS, FSVS, is a fellowship-trained vascular surgeon and founder of a state-of-the-art adult vascular medicine practice in Garden City, New York, in Nassau County. Dr. Xenophontos is dual board-certified in general and vascular surgery.

Dr. Xenophontos began his journey to his medical career as an undergraduate student at The City College of New York in New York City, where he graduated with distinction. Dr. Xenophontos earned his medical degree at Penn State College of Medicine in Hershey, Pennsylvania. He rounded out his postdoctoral training with a surgery residency followed by a vascular surgery fellowship at SUNY Downstate Health Sciences University in Brooklyn, New York. 

Dr. Xenophontos, who is fluent in English and Greek, is a fellow of the American College of Surgeons and a member of the board of directors of the Brooklyn and Long Island Chapter of the American College of Surgeons. He is also an active member of numerous medical societies, including the Society for Vascular Surgery, the Society for Clinical Vascular Surgery, the Eastern Vascular Society, the Medical Society of the State of New York, and the Nassau County Medical Society.

When he’s not helping patients, Dr. Xenophontos enjoys spending time with his wife and four daughters.

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Evan Berman, MD, specializes in general surgery at the Andrus office of Symphony Medical in Yonkers, New York. 

A highly skilled surgeon, Dr. Berman strives to provide patient satisfaction and quality health care. He is a diplomate of the American Board of Surgery and an esteemed member of the American College of Surgeons.

In addition to his work at Symphony Medical, Dr. Berman affiliates with St. John’s Riverside Hospital at different locations throughout New York. He serves people of various backgrounds to ensure they receive the treatment they need to enjoy a high quality of life.

Dr. Berman earned a Bachelor of Arts degree in biology from SUNY University at Buffalo in Buffalo, New York. He earned his medical degree at the Universidad Autónoma de Guadalajara Facultad de Medicina in Guadalajara, Mexico. 

He continues to research and stay on top of new advancements in his general surgery practice to achieve the best possible outcome for patients.

For the convenience of his patients, Dr. Berman is fluent in both English and Spanish.