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Portrait of Wasay Mohajir, DO, Gastroenterology specialist at Kelsey-Seybold Clinic.
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  • About the Provider
  • Education & Board Certification
  • Professional Associations

Wasay Mohajir, DO, earned his Doctor of Osteopathic Medicine from the Texas College of Osteopathic Medicine, University of North Texas Health Science Center at Fort Worth in 2018. He completed his Internal Medicine residency at the University of Texas Health Science Center at Houston (UTHealth) in 2021, followed by a Clinical Nutrition Support fellowship at Columbia University Irving Medical Center/New York-Presbyterian in 2022 and a Gastroenterology fellowship at Baylor Scott & White Medical Center – Round Rock in 2025. Dr. Mohajir joined Kelsey-Seybold in September 2025.

Dr. Mohajir is a gastroenterologist with advanced training in clinical nutrition and a wide range of diagnostic and therapeutic endoscopy. He treats adults with GERD, IBD, liver and pancreatobiliary disease, and other digestive conditions, and performs diagnostic and therapeutic endoscopy.

Hobbies and Interests

Dr. Mohajir enjoys basketball, hiking, camping, kayaking, traveling, and woodworking.

Joined Kelsey-Seybold: September 2025

Awards & Publications

Publications

  • Mohajir WA, Khurana S, Singh K, Chong RW, Bhutani MS. Botulinum Toxin A Use in the Gastrointestinal Tract: A Reappraisal After Three Decades. Gastroenterology & Hepatology. 2023.
  • Kono M, Shatila M, Xu G, Lu Y, Mathew A, Mohajir W, Varatharajalu K, Qiao W, Thomas AS, Wang Y. Obesity Measured via Body Mass Index May Be Associated with Increased Incidence but Not Worse Outcomes of Immune-Mediated Diarrhea and Colitis. Cancers. 2023;15(8):2329.
  • Kuang A, Mohajir W, Panneerselvam K, McQuade JL, Oliva ICG, Khan MA, Zhang HC, Thomas AS, Wang Y. Diarrhea and colitis related to immune checkpoint inhibitor and BRAF/MEK inhibitor therapy. Annals of Gastroenterology. 2023;36(1):45–53.
  • Mohajir WA, O’Keefe SJ, Seres DS. Disease-Related Malnutrition and Enteral Nutrition. Medical Clinics of North America. 2022;106(5S):e1–e16.
  • Mohajir WA, O’Keefe SJ, Seres DS. Parenteral Nutrition. Medical Clinics of North America. 2022;106(5S):e17–e27.
  • Jin J, Sawyer M, Bansal V, Pham J, Mohajir W, Wang D. Manifestation of vascular collaterals in particle disease. Vascular Medicine. 2022;27(4):403–404.
  • Wagner J, Hernández Blanco YY, Yu A, Garcia-Rodriguez V, Mohajir W, Goodman C, DuPont AW, Cash BD, Farooq A. The Quick Sepsis-Related Organ Failure Assessment Score Is Prognostic of Pancreatitis Severity in Patients With Alcohol-Induced Pancreatitis. Pancreas. 2022;51(6):694–699.
  • Wagner J, Hernandez-Blanco Y, Yu A, Garcia-Rodriguez V, Mohajir W, Goodman C, Farooq A. Hypophosphatemia Is More Common and Is Prognostic of Poorer Outcomes in Severe Alcoholic Pancreatitis. Pancreas. 2021;50(10):1440–1444.
  • Mohajir W, Seres D. Historical Perspectives of Refeeding Syndrome. Nutrition in Clinical Practice. In press.
  • Mohajir W, Thakkar R, Srinivasa R, Ghaleb A. Severe Gastrointestinal Bleeding from Gastric Remnant Two Decades after Roux-en-Y Gastric Bypass Controlled with Selective Visceral Arteriography with Embolization. Poster accepted to ACG 2024, Philadelphia, PA.
  • Mohajir W, Garza M, Rahimi E. Use of Lumen-Apposing Metal Stents (LAMS) in Refractory Ileocolonic Stricturing Crohn’s Disease. Poster accepted to ACG 2024, Philadelphia, PA.
  • Smith E, Mohajir W, Tepfanhart T, Kenny M, Rahimi E. Uncommon Encounter: A Massive Gastric Leiomyoma Masquerading as Refractory GERD. Poster accepted to ACG 2024, Philadelphia, PA.
  • Russell E, Wu Y, Garza M, Prasad S, Le K, Mohajir W, Tran M, Dhanekula R. Difficult Diagnosis of Disseminated Cryptococcosis in a Patient with Cirrhosis. Poster accepted to ACG 2024, Philadelphia, PA.

Medical School

  • Texas College of Osteopathic Medicine, University of North Texas Health Science Center at Fort Worth – Fort Worth, TX, 2018

Internship/Residency

  • Internal Medicine residency: University of Texas Health Science Center at Houston (UTHealth) – Houston, TX, 2021; Clinical Nutrition Support fellowship: Columbia University Irving Medical Center/NewYork-Presbyterian – New York, NY, 2022; Gastroenterology fellowship: Baylor Scott & White Medical Center – Round Rock – Round Rock, TX, 2025

Board Certifications

  • American Board of Internal Medicine - Internal Medicine
  • National Board of Physician Nutrition Specialists – Physician Nutrition Specialist

Dr. Mohajir is a member of the American College of Gastroenterology, American Society for Gastrointestinal Endoscopy, American Association for the Study of Liver Diseases, Texas Society of Gastroenterology and Endoscopy, American College of Physicians, Texas Medical Association, and Texas Osteopathic Medical Association.

Locations

North Houston Campus

15655 Cypress Woods Medical Drive,
Houston, TX 77014

Get Directions 713-442-1700

Northwest Campus (Cypress Clinic)

13105 Wortham Center Drive,
Houston, TX 77065

Get Directions 713-442-4000

Accepted Insurance