Profile image of Alexander Chalphin, MD

Alexander Chalphin, MD

Director, Pediatric Bowel Management Program

Call 212-342-8585 for appointments.

About Alexander Chalphin, MD:

Dr. Alexander V. Chalphin joins the faculty at the Vagelos College of Physicians and Surgeons at Columbia University and Morgan Stanley Children’s Hospital of New York-Presbyterian within the Division of Pediatric Surgery as Assistant Professor of Surgery. He is committed to thoughtful, collaborative, family-centered care of infants and children. Dr. Chalphin practices the full breadth of general pediatric surgery with expertise in pediatric colorectal surgery, bowel management, and chest wall deformities.

A native of Washington, DC, Dr. Chalphin received his undergraduate degree from the College of William and Mary in Virginia before pursuing medical school at Jefferson Medical College in Philadelphia, Pennsylvania. He completed his general surgery residency at Beth Israel Deaconess Medical Center in affiliation with Harvard Medical School. As a research fellow at Boston Children’s Hospital, he studied fetal stem cell therapies for congenital malformations including myelomeningocele and gastroschisis. He then moved to New York City for his pediatric surgery fellowship at Columbia University and Morgan Stanley Children’s Hospital of New York-Presbyterian.

Dr. Chalphin has received several awards for his contributions to pediatric surgical research. He is committed to medical education of medical students, residents, and fellows. He is a fellow of the American College of Surgeons and American Academy of Pediatrics and a member of the American Pediatric Surgery Association.

Outside of the hospital, Dr. Chalphin is a proud husband and father of two young, rambunctious girls. He enjoys running, guitar, cooking, and following Washington, DC sports teams.

Expertise:

Anorectal Malformation
Hirschsprung's Disease
Minimally Invasive Pediatric Surgery
Neonatal Surgery
Pectus Excavatum
Pediatric Inflammatory Bowel Disease (IBD)
Pediatric Surgery
Surgery

Honors:

Hobart Amory Hare Honor Society

Alpha Omega Alpha Honor Society

Arthur P. Gold Foundation Research Fellowship

Francis Torrens Stewart MD Prize for Excellence in Clinical Surgery

Chairman’s Research Fellowship Boston Children's Hospital

Travel Award 38th Annual Meeting International Fetal Medicine and Surgery Society

Best Basic Science Oral Presentation – Second Prize 8th Annual Harvard Surgery Research Day

Interests:

Inflammatory Bowel Disease
Medical Education

Appointments:

Assistant Professor of Surgery at CUMC

Education:

Thomas Jefferson University, Sidney Kimmel Medical College
Residency: Beth Israel Deaconess Medical Center
Fellowship: NewYork-Presbyterian / Columbia University Irving Medical Center

New Patients:

YES

Insurances:

Please contact the doctor's office directly to verify that your particular insurance is accepted.

AETNA [Aetna Signature Administrators, Medicare Managed Care, HMO, PPO, POS, EPO, NY Signature, Student Health]
Affinity Health Plan [Essential Plan, Medicaid Managed Care]
Amida Care [Special Needs]
CIGNA [PPO, HMO, Great West (National), EPO, POS]
Emblem/GHI [PPO, Medicare Managed Care]
Emblem/HIP [Select Care (Exchange), Vytra, EPO, Medicare Managed Care, HMO, PPO, POS, ConnectiCare, Essential Plan, Medicaid Managed Care]
Empire Blue Cross Blue Shield HealthPlus [Medicaid Managed Care, Child/Family Health Plus, Essential Plan, Individual Network (Exchange)]
Empire Blue Cross/Blue Shield [PPO, Medicare Managed Care, HMO, EPO]
Fidelis Care [Essential Plan, Medicaid Managed Care, Medicare Managed Care, Child/Family Health Plus]
Healthfirst [Leaf (Exchange), Medicaid Managed Care, Child/Family Health Plus, Medicare Managed Care]
Healthspring (Cigna Medicare) [Medicare Managed Care]
Local 1199 [Local 1199]
MVP Health Care [HMO, Essential Plan, Child/Family Health Plus, Medicaid Managed Care]
MagnaCare (National) [MagnaCare]
Multiplan [Multiplan]
UnitedHealthcare [HMO, POS, PPO, Empire Plan, Oxford Liberty, Oxford Freedom, Oxford HMO, Medicare Managed Care, Medicaid (Community Plan)]
VNSNY CHOICE [SelectHealth, Medicare Managed Care, Special Needs]
WellCare [Medicaid Managed Care, Medicare Managed Care]
World Trade Center Health Plan [World Trade Center Health Plan]

Publications:

*Schmoke N, Nemeh C, Chalphin AV, Richmond M, Liszewski MC, Cheung EW, Yamashiro D, Fallon EM. Concurrent Wilms Tumor and Severe Dilated Cardiomyopathy in an Infant Requiring VA ECMO. Case Rep Oncol 2025 doi: 10.1159/000547834

Cain-Trivette CJ, Saha A, Nemeh C, Chalphin AV, Pinyavat T, Middlesworth W. Malignant Hyperthermia in Pediatric Surgery: Essential Awareness and Crisis Management. J Pediatr Surg 2024 Dec 9:162082 doi: 10.1016/j.jpedsurg.2024.162082

*Nemeh C, Keefe P, Chalphin AV, McGraw MC, Fallon EM. Complicated Meckel’s Diverticulum Presenting as Pneumoperitoneum in an Adolescent. Am J Case Rep 2024 Sep 29;25:e945206. Doi: 10.12659/AJCR.945206

*Schmoke N, Nemeh C, Gennell T, Schapiro D, Hiep-Catarino A, Alexander M, Chalphin AV, Crum RW, Holynskyj L, Kubacki T, Schecter WS, Zitsman J. Enhanced recovery after surgery improves clinical outcomes in adolescent bariatric surgery. Surg Obes Relat Dis. 2024 Mar 26:S1550-7289(24)00123-0. doi: 10.1016/j.soard.2024.03.016

*Schmoke N, Porigow C, Wu YS, Alexander M, Chalphin AV, Rothenberg S, Duron V. Thoracoscopic excision of mediastinal bronchogenic cysts in children: A case series. J Laparoendosc Adv Surg Tech A. 2024 Feb 14 doi: 10.1089/lap.2023.0385

*Shideler BL, Sferra SR, Massoumi RL, Chalphin AV, Stylianos S. Embryologic remnant of the umbilical vein presenting as an incarcerated umbilical hernia in a 6-month old: A case report. J Pediatr Surg Case Reports 100(2024) 102750 doi 10.1016/j.epsc.2023.102750

*Schmoke N, Wilken T, Porigow C, YW Wu, Alexander M, Chalphin AV, Rothenberg S, Duron V. Thoracoscopic excision of technically challenging mediastinal bronchogenic cysts in children. Videoscopy. 2023;33(1):1-5.

*Chalphin AV, Lazow SP, Labuz DF, Tracy SA, Kycia I, Zurakowski D, Fauza DO. Transamniotic Stem Cell Therapy for Experimental Congenital Diaphragmatic Hernia: Structural, Transcriptional, and Cell Kinetics Analyses in the Nitrofen Model. Fetal Diagn Ther 2021 Apr 14:1-11 doi: 10.1159/000515277

*Lazow SP, Tracy SA, Chalphin AV, Kycia I, Zurakowski D, Fauza DO. Initial mechanistic screening of transamniotic stem cell therapy in the rodent model of spina bifida: host bone marrow and paracrine activity. Fetal Diagn Ther 2020 Sep 2 doi: 10.1159/000509244

*Tracy SA, Chalphin AV, Kycia I, Chan C, Finkelstein A, Zurakowski D, Fauza DO. Hematogenous donor cell routing pathway after transamniotic stem cell therapy. Stem Cells Dev. 2020 Mar 31. Doi: 10.1089/scd.2020.0012

*Tracy SA, Chalphin AV, Lazow SP, Kycia I, Finkelstein A, Chan C, Zurakowski D, Fauza DO. Postnatal fate of donor mesenchymal stem cells after transamniotic stem cell therapy in a healthy model. J Pediatr Surg. 2020 Feb 26. Pii:S0022-3468(20)30169-X. doi: 10.1016/j.jpedsurg.2020.02.041

*Chalphin AV, Tracy SA, Kycia I, Chan C, Finkelstein A, Zurakowski D, Fauza DO. Donor mesenchymal stem cell kinetics in transamniotic stem cell therapy for experimental gastroschisis. J Pediatr Surg. 2019 Nov 28. Pii: S0022-3468(19)30838-3 doi:10.1016/j.jpedsurg.2019.11.0005.

*Chalphin AV, Mooney, DP. Pediatric sternal fractures: a single center retrospective review. J Pediatr Surg. 2019 Nov 6 pii: S0022-3468(19)30675-X doi: 10.106/j.jpedsurg.2019.10.002

*Chalphin AV, Tracy SA, Lazow SP, Kycia I, Zurakowski D, Fauza DO. A comparison between placental and amniotic mesenchymal stem cells in transaminotic stem cell therapy for experimental gastroschisis. J Pediatr Surg. 2019 Oct 24. Pii: S0022-3468(19)30702-X. oi:10.106/j.pedsurg.2019.09.09.049

*Chalphin AV, Tracy SA, Lazow SP, Kycia I, Zurakowski D, Fauza DO. Congenital diaphragmatic hernia as a potential target for transamniotic stem cell therapy. J Pediatr Surg. 2019 Nov 9 pii: S0022-3468(19)30768-7. doi:10.1016/j.jpedsurg.2019.10.033

*Chalphin AV, Serres SK, Micalizzi R, Dawson M, Phinney C, Hrycko A, Martin-Quashie A, Pepin M, Smithers CJ, Rangel S, Chen C. Development and implementation of a surgical quality improvement pathway for pediatric intussusception patients. Pediatr Qual Saf. 2019 Aug 30;4(5):e205. Doi:10.1097/pq9.0000000000000205 (*co-first authors)

*Shieh HF, Tracy SA, Hong CR, Chalphin AV, Ahmed A, Rohrer L, Zurakowski D, Fauza DO. Transamniotic stem cell therapy (TRASCET) in a rabbit model of spina bifida. J Pediatr Surg. 2019 Feb;54(2):293-296

*Chalphin AV, Yeo CJ, Cowan SW, Milan S. Robert Edward Gross (1905-1988): Ligation of a patent ductus arteriosus and the birth of a specialty. Am Surg. 2014;80(11):1087-8

*Chalphin AV, Saha MS. The specification of glycinergic neurons and the role of glycinergic transmission in development. Front Mol Neurosci. 2010;3(11)

Books and book chapters:

Chalphin AV, Fauza DO. Fetal Tissue. In: Encyclopedia of Tissue Engineering and Regenerative Medicine. Rui Reis ed., Academic Press 2019

Chalphin AV, Boyd C. Hernias. In: Pocket Surgery. D.B. Jones ed., Lippincott, Williams, & Witkins 2017