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Surgeons Directory

Explore published profiles while our primary-source credential and current-practice review continues.

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Nabeel R. Obeid, MD portrait

Nabeel R. Obeid, MD

Nabeel R. Obeid practices minimally invasive and bariatric surgery at Michigan Medicine and is a clinical associate professor. His individual profile lists gastric bypass, sleeve gastrectomy and revision surgery, along with foregut, hernia and endoscopic care. His research examines bariatric outcomes and surgical quality improvement. Published appointment locations include 14650 E Old US Highway 12, Suite 201, Chelsea, MI 48118-1801. The documented clinical services include Roux-en-Y gastric bypass; Sleeve gastrectomy; Revisional bariatric surgery; Upper endoscopy. The education and training record includes MD, University of Michigan Medical School, 2010; General surgery residency, New York University, 2016.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location14650 E Old US Highway 12, Suite 201, Chelsea, MI 48118-1801

Phone734-936-5738

Reported location · confirm with practice
Natalia Kubicki, MD portrait

Natalia Kubicki, MD

Frederick Health identifies Natalia Kubicki as a surgeon in bariatric and general surgery. She is listed among the hospital's bariatric surgery experts. The program describes sleeve gastrectomy and gastric bypass, but the service page does not specify which operations she personally performs.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location1562 Opossumtown Pike, Suite 302, Frederick, MD 21702-4337

Phone240-575-2526

Reported location · confirm with practice
Dr. Nathan Roberts, M.D. portrait

Dr. Nathan Roberts, M.D.

Explore the reported practice location, contact details and directory profile. Confirm current bariatric services and credentials directly with the practice and issuing authorities.

Directory description and credentials are still under review.

Reported location802 S Jackson Ave Suite 505 Tulsa, OK 74127

Phone918-747-5322

Reported location · confirm with practice
Naveen Ballem, MD portrait

Naveen Ballem, MD

Naveen Ballem practices with New York Bariatric Group and is identified by Hunterdon Health as a bariatric surgeon in its current patient seminars. His practice biography documents advanced laparoscopic and endoscopic training and bariatric director roles at Hunterdon, Clara Maass and Jersey City medical centers. Reported education and training include University of West Indies medicine; Columbia Harlem general surgery residency; Cleveland Clinic endocrine/advanced laparoscopy fellowship. The documented surgical scope includes Bariatric surgery.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location230 Sherman Avenue, Glen Ridge, NJ 07028

Phone800-633-8446

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Nestor F. de la Cruz-Muñoz Jr., MD portrait

Nestor F. de la Cruz-Muñoz Jr., MD

Nestor de la Cruz-Muñoz Jr. is listed by ASMBS as a practicing bariatric surgeon in Miami, currently with HCA Florida Miami-Dade Surgical Specialists. His biography describes sleeve gastrectomy, gastric bypass, revisions and foregut surgery. It identifies his University of Miami clinical professorship as a previous role ending in 2025, rather than a current university appointment. His research interests include adolescent bariatric outcomes and cardiometabolic risk reduction.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location3683 S. Miami Avenue, Suite 500, Miami, FL 33133

Phone305-692-0392

Reported location · confirm with practice
Nicholas A.Bertha, DO portrait

Nicholas A.Bertha, DO

Nicholas A.Bertha, DO, practices bariatric surgery at New Jersey Bariatric Institute in Parsippany. His individual practice biography lists laparoscopic sleeve, gastric bypass, adjustable gastric band and complex revision surgery. He also works in surgical teaching and bariatric clinical research. Documented training includes DO: University of Medicine and Dentistry of New Jersey School of Osteopathic Medicine; Rotating osteopathic internship: UMDNJ-SOM; General surgery residency: Morristown Memorial Hospital. The published office is 800 Lanidex Plaza, Suite 100, Parsippany, NJ 07054.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location800 Lanidex Plaza, Suite 100, Parsippany, NJ 07054

Phone973-437-8700

Reported location · confirm with practice
Nick Nicholson, MD portrait

Nick Nicholson, MD

Nick Nicholson founded Nicholson Clinic for Weight Loss Surgery in North Texas. His individual practice biography lists sleeve gastrectomy, gastric bypass, gastric banding, gastric balloon and revisional bariatric surgery. He earned his medical degree at UT Medical Branch in Galveston and completed residency at UT Southwestern/Parkland. The practice also describes abdominal wall, gallbladder and reflux surgery. Reported education and training include MD: University of Texas Medical Branch, Galveston; Residency: UT Southwestern Medical Center/Parkland Memorial Hospital.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location5000 Legacy Drive, Suite 215, Plano, TX 75024

Phone972-494-3100

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Nicole R. Basa, MD portrait

Nicole R. Basa, MD

Nicole R. Basa practices general and bariatric surgery in Cedar Park. Her ASMBS biography lists laparoscopic gastric bypass, sleeve gastrectomy, revision surgery and single-anastomosis duodeno-ileostomy. She completed surgical training at USC and a minimally invasive and bariatric fellowship at UCLA. The listed practice is B+A Medical Center / Cedar Park Surgeons. Published appointment locations include 1410 Medical Pkwy, Suite 1, Cedar Park, TX 78613. The documented clinical services include Laparoscopic Roux-en-Y gastric bypass; Laparoscopic sleeve gastrectomy; Revisional bariatric surgery; Single-anastomosis duodeno-ileostomy. The education and training record includes Medical school, Rush Medical College; General surgery residency, Charles Drew/King Medical Center and University of Southern California.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location1410 Medical Pkwy, Suite 1, Cedar Park, TX 78613

Phone512-260-3444

Reported location · confirm with practice
Nicole M. Fearing, MD portrait

Nicole M. Fearing, MD

Nicole M. Fearing practices bariatric surgery at the University of Kansas Health System’s Metabolic and Bariatric Care clinic in Overland Park. She earned her MD at the University of North Dakota, completed general surgery residency at Kansas–Wichita and trained in minimally invasive surgery at the University of Texas Health Science Center. The published office is 10700 Nall Avenue, Suite 102, Overland Park, KS 66211. Reported services include Laparoscopic sleeve gastrectomy, Roux-en-Y gastric bypass, Gastric banding, Bariatric revision and conversion, Bariatric endoscopy.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location10700 Nall Avenue, Suite 102, Overland Park, KS 66211

Phone913-588-1227

Reported location · confirm with practice
Nilesh A. Patel, MD portrait

Nilesh A. Patel, MD

Nilesh A. Patel, MD provides bariatric and surgical care with Texas Bariatric Specialists. The clinical services described for this practice include Gastric banding; Gastric bypass; Sleeve gastrectomy; Revisional surgery. Documented education and training include Medical school, Robert Wood Johnson Medical School, 1999; General surgery residency, Allegheny General Hospital, 2004; Fellowship, Allegheny General Hospital, 2005. The listed consultation location is 14603 Huebner Road, Building 2, San Antonio, TX 78230.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location14603 Huebner Road, Building 2, San Antonio, TX 78230

Phone866-922-3060

Reported location · confirm with practice
Ninh T. Nguyen, MD portrait

Ninh T. Nguyen, MD

Ninh T. Nguyen practices minimally invasive gastroesophageal and bariatric surgery with UCI Health. UCI identifies him as surgery department chair and chief of gastrointestinal surgery, with research in surgical techniques and bariatric outcomes. His clinical interests include laparoscopic gastric bypass and surgery for esophageal and gastric disease. His training includes medicine at UT Health San Antonio, residency at Mount Sinai Medical Center in Miami Beach, and fellowships at Pittsburgh. English and Vietnamese are listed.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location101 The City Drive South, Building 22C, Orange, CA 92868

Phone888-717-4463

Reported location · confirm with practice
Dr Niruben Rajasagaram portrait

Dr Niruben Rajasagaram

Niruben Rajasagaram is a consultant bariatric, upper gastrointestinal and general surgeon at Victorian Specialist Surgery & Weight Loss Centre in Melbourne. His current individual practice offers gastric sleeve, gastric bypass, mini bypass, band and revision pathways alongside general surgical care. Reported education and training include Medical education, Royal College of Surgeons in Ireland; General surgery specialist training, with FRACS completion reported by his biography in 2011; Four years of fellowship training in bariatric, upper gastrointestinal and advanced biliary surgery, including Western Hospital, The Alfred and St Vincent’s Melbourne.

Profile facts are sourced; see the profile for individual credential-check status.

Reported locationSuite 11A, Knox Private Hospital, 262 Mountain Highway, Wantirna VIC 3152

Phone03 8548 0318

Reported location · confirm with practice
Dr Octavio Jiménez portrait

Dr Octavio Jiménez

Octavio Jiménez leads B&BC, a bariatric surgical practice in Cancún, Quintana Roo. Its current individual team description identifies him with sleeve gastrectomy, gastric bypass and mini bypass and provides a Yaxchilán practice address. A separate medical-team biography reports medical education at Instituto Politécnico Nacional and general surgery training at Universidad Autónoma de Yucatán. Reported education and training include National Polytechnic Institute; specialty Autonomous University of Yucatan. The documented surgical scope includes Sleeve gastrectomy; Gastric bypass; Mini gastric bypass.

Profile facts are sourced; see the profile for individual credential-check status.

Reported locationAv. Yaxchilán180, Cancún77505, Quintana Roo

Phone+52 1 998 191 3744

Reported location · confirm with practice
Dr Olivier Court portrait

Dr Olivier Court

Olivier Court is an assistant professor of surgery at McGill and works at Montreal General and Royal Victoria hospitals. McGill describes laparoscopic Roux-en-Y gastric bypass, biliopancreatic diversion with duodenal switch and revisional bariatric surgery in his practice. His training includes a McGill MD in 1995, general surgery and critical care at the University of Manitoba, and further laparoscopic bariatric training in Washington, DC.

Profile facts are sourced; see the profile for individual credential-check status.

Reported locationWestmount Square Surgical Center, 1 Westmount Square, Suite C190, Westmount, Quebec H3Z 2P9

Phone+1 514-931-5055

Reported location · confirm with practice
Dr Ömer Avlanmış portrait

Dr Ömer Avlanmış

Ömer Avlanmış practices general and obesity surgery at Memorial Bodrum Hospital, where the current hospital biography dates his appointment from 2025. He studied medicine at Uludağ University and completed specialist training at Şişli Hamidiye Etfal. His own website describes sleeve gastrectomy, gastric bypass, sleeve-to-bypass revision and gastric balloon services. That site retains an older İstanbul address; use the current Memorial Bodrum location and confirm which procedures are booked there. The published office is Memorial Bodrum Hospital, Müskebi Mahallesi, Kapuz Caddesi, Ortakent Kavşağı No:2/2, İç Kapı No:1, Bodrum, Muğla, Turkey.

Profile facts are sourced; see the profile for individual credential-check status.

Reported locationMemorial Bodrum Hospital, Müskebi Mahallesi, Kapuz Caddesi, Ortakent Kavşağı No:2/2, İç Kapı No:1, Bodrum, Muğla, Turkey

Phone444 7 888

Reported location · confirm with practice
Dr. Oscar Gastelum, M.D. portrait

Dr. Oscar Gastelum, M.D.

Explore the reported practice location, contact details and directory profile. Confirm current bariatric services and credentials directly with the practice and issuing authorities.

Directory description and credentials are still under review.

Reported locationBlvd Rodolfo Sanchez Taboada Esq José Clemente Orozco #2492, Oficina 4D, Zona Río, Tijuana, Baja California, Mexico

Phone+1.888.296.6664

Reported location · confirm with practice
Dr. Paramjeet Sabharwal, M.D. portrait

Dr. Paramjeet Sabharwal, M.D.

Explore the reported practice location, contact details and directory profile. Confirm current bariatric services and credentials directly with the practice and issuing authorities.

Directory description and credentials are still under review.

Reported location10951 Lakeview Ave Lenexa, KS 66219

Phone+1 913-322-7401

Reported location · confirm with practice
Patrick Chiasson, MD portrait

Patrick Chiasson, MD

Patrick Chiasson, MD practices bariatric and minimally invasive surgery in Tucson, Arizona. His current Northwest provider page identifies his bariatric practice, location and training.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location6130 N. La Cholla Blvd., Suite 250, Tucson, AZ 85741

Phone520-219-8690

Reported location · confirm with practice
Patrick Shabino, MD portrait

Patrick Shabino, MD

Patrick Shabino is listed by ASMBS as a practicing surgeon in Saint Louis Park, Minnesota. His individual record identifies sleeve gastrectomy, Roux-en-Y gastric bypass, duodenal switch and revision or conversion procedures. He completed general-surgery residency at the University of Wisconsin followed by advanced minimally invasive gastrointestinal and bariatric fellowship training. The society’s street-level directory lists 3931 Louisiana Avenue South and the primary telephone below.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location3931 Louisiana Avenue South, Saint Louis Park, MN 55426-4375

Phone952-993-3150

Reported location · confirm with practice
Patrick Thomas Davis, MD portrait

Patrick Thomas Davis, MD

Patrick Davis practices general and weight-loss surgery at The Surgical Clinic in Nashville. He completed medical school at the University of Tennessee Health Science Center and residency and fellowship training at Wake Forest Baptist Health. His ASMBS profile lists laparoscopic gastric bypass, sleeve gastrectomy and revision or conversion surgery. The published office is Southern Hills, 393 Wallace Road, Suite 301, Building A, Nashville, TN 37211. Reported services include Laparoscopic Roux-en-Y gastric bypass, Laparoscopic sleeve gastrectomy, Revision or conversion of prior bariatric surgery.

Profile facts are sourced; see the profile for individual credential-check status.

Reported locationSouthern Hills, 393 Wallace Road, Suite 301, Building A, Nashville, TN 37211

Phone615-425-0550

Reported location · confirm with practice
Paul B. Wizman, MD portrait

Paul B. Wizman, MD

Paul Wizman practices bariatric surgery with Bariatrix Florida in Margate. His individual biography documents surgical education at McGill University followed by laparoscopic fellowship training. The practice describes gastric bypass, sleeve gastrectomy, gastric banding and revisional surgery. His biography also describes surgical teaching and work developing a weight-loss surgery program in Malaysia. The current contact page places the office in Margate, rather than the older Boca Raton description. The published office is 5800 Colonial Drive, Suite 108, Margate, FL 33063.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location5800 Colonial Drive, Suite 108, Margate, FL 33063

Phone954-969-1355

Reported location · confirm with practice
Paul J. Chappano, MD portrait

Paul J. Chappano, MD

Paul J. Chappano is listed by North Florida Surgeons in bariatric, endocrine and laparoscopic surgery. The practice documents medical education at the University of Pittsburgh and general-surgery internship and residency at Mercy Hospital of Pittsburgh. His biography also describes eight years of military service, including Naval Hospital Jacksonville and Camp Pendleton. Individual currently offered bariatric operations are not specified on that biography. Reported education and training include Undergraduate and medical education, University of Pittsburgh; General surgery internship and residency, Mercy Hospital of Pittsburgh.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location11945 San Jose Boulevard, Suite 100, Jacksonville, FL 32223

Phone904-389-8861

Reported location · confirm with practice
Paul T. Cirangle, MD portrait

Paul T. Cirangle, MD

Paul Cirangle is listed by ASMBS in San Francisco with a practice focused on bariatric and metabolic surgery. His individual member procedure list includes sleeve gastrectomy, gastric bypass, duodenal switch and revisions. A practice-hosted CV documents his medical and surgical education; its old license expiration dates are not current credential verification. The training history lists BA, Washington University in St. Louis, 1983; MD, Uniformed Services University of the Health Sciences, 1988; Surgical internship and junior residency, Letterman Army Medical Center, 1988–1991.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location1700 California Street, Suite 280, San Francisco, CA 94109

Phone415-516-0247

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Paul A. Thodiyil, MD portrait

Paul A. Thodiyil, MD

Paul A. Thodiyil directs the bariatric program described in his Mount Sinai biography. His clinical scope includes sleeve gastrectomy and bariatric revisions, with additional focus on foregut disorders and minimally invasive abdominal surgery. He earned his medical degree at the University of Ibadan and undertook esophagogastric training at USC and minimally invasive/bariatric training at Pittsburgh and Cleveland Clinic. Mount Sinai lists consulting rooms at Union Square East in New York.

Profile facts are sourced; see the profile for individual credential-check status.

Reported location10 Union Square East, Suite 2L, New York, NY 10003

Phone212-844-6621

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