PGY 5s

Ankeeta Mehta

Hometown: Bay City, Texas

Education: BA-Biology, BBA-Finance--The University of Texas at Austin; MA-Medical Sciences--Boston University; DO--University of North Texas HSC

Personal Interests: cheese making, NY Times Crosswords, traveling, health care policy

Publications: B lymphocytes in human subcutaneous adipose crown-like structures. McDonnel ME, Ganley-Leal LM, Mehta A., Bigornia S., Mott M, Rehman Q, Farb MG, hess D, Joseph L, Gokce N, Apovian CM. Obesity 2012 Mar 7.

Start early to turn medical students into Latino health advocates. Sola O, MacIntyre A, Spitze B, Mehta A. Wings of Zock. AAMC. 13 March 2014. Online.

Heather Zeznock

Hometown: Anchorage, Alaska

Education: University of Alaska Anchorage, DO--Pacific Northwest COM

Personal Interests: Hiking, baking, paddle boarding

Simon Holoubek

Hometown: Dallas, TX and Augusta, GA

Education: B.A., Psychology, University of Iowa
M.P.H., University of Iowa
D.O, Des Moines University

Personal Interests: I enjoy traveling, collecting wine, and gourmet cooking. I also enjoy long distance running.


Peer-Reviewed Journal Articles:

Medairos, R., Clark, J., Holoubek, S., Kubasiak, J., Pithadia, R., Hamid, F., Chmielewski, G., Warren, W., Basu, S., Borgia, J., Liptay, M., Seder, C.. “Metformin exposure is associated with improved progression-free survival in diabetic patients after resection for early stage non-small cell lung cancer.” The Journal of Thoracic and Cardiovascular Surgery. April 2016. PubMed ID 27157918.

Holoubek, SA., Yan, H., Khokar, AH., Kuchta, KM., Winchester, DJ., Prinz RA, Moo-Young, TA.. Aggressive variants of papillary thyroid microcarcinoma associated with high-risk features, not survival. Accepted for oral podium presentation at American Association of Endocrine Surgeons annual meeting in Los Angeles, California. April 2019. Accepted by Surgery, not yet in press.

Accepted Abstracts:

Khokar A, Holubek, S, Kuchta, K, Abadin S, Winchester D, Prinz R, Moo-Young, T, (2019) Survival with follicular and Hurthle Cell Microcarcinoma compared to papillary thyroid microcarcinoma: a population study of 84,532 patients. Accepted for oral podium presentation at World Congress of Surgery annual meeting in Krakow, Poland. Submitted to World Journal of Surgery.

Holoubek, S., Maxwell, J., Lyden, E., Fingeret, A.. Racial and ethnic disparities of adrenalectomy. Accepted for oral presentation at Academic Surgical Congress annual meeting in Houston, Texas. February 2019. Submitted to American Journal of Surgery.

Holoubek, SA., Yan, H., Winchester, DJ., Moo-Young, TA., Prinz RA.. Changing trends in non-operative management of micropapillary thyroid cancer. Accepted for poster presentation at Western Surgical Association annual meeting in San Jose Del Cabo, Baja California Sur, Mexico. November 2018. Manuscript prepared.


Matt Behringer

Hometown: Buffalo, NY

Education: B.S., Biochemistry, State University of New York at Buffalo

Personal Interests: I enjoy fishing, golfing, playing hockey and the drums. I have a rotweiler back in Buffalo and live with two cats (my wife's). I have one younger sister.

Publications: Tu, C., Li, J., Jiang, X., Sheflin, L. G., Pfeffer, B. A., Behringer, M., Fliesler, S., Qu, J. (2013). Ion-current-based Proteomic Profiling of the Retina in a Rat Model of Smith-Lemli-Opitz Syndrome . Molecular & Cellular Proteomics : MCP, 12(12), 3583–3598.

Mike McKenna

Hometown: Elgin, IL

Education: B.S., Physics and Mathematics--Northern Illinois University, DO--Midwestern University

Personal Interests: Woodworking, playing guitar

Mohammad Haidar

Hometown: Grand Rapids, MI

Education: B.S. Chemistry and Biochemistry, University of Chicago; D.O., Des Moines University

Personal Interests: family, friends, Steelers, movies, working out, traveling

Clinical Interests: General Surgery

T.J. Stear

Hometown: Dunlap, IL

Education: Bachelor of Science in Molecular and Cellular Biology from the University is Illinois; Master of Arts in Biomedical Sciences from Midwestern University; Doctor of Osteopathic Medicine from Midwestern University

Personal Interests: My favorite project is my '79 Chevy Malibu that my dad and I restored in high school. I enjoy outdoor sports and activities with my wife and golden retriever such as going to the dog beach or on hikes.

Publications: Valvular Cytomegalovirus Endocarditis, The Annals of Thoracic Surgery, August 2016, PMID: 27449440.


David Masinter

Hometown: Charleston, West Virginia

Education: BS Biology, BA Theology--Crown College, DO-West Virginia College of Osteopathic Medicine

Personal Interests: world travel, former semi-professional golfer, linguistics, fine dining, single malt scotch, being a husband and a father

Publications: Management of femoral artery pseudoaneurysms in patients requiring coronary artery bypass grafting: should the same treatment paradigm be used as those not undergoing CABG? Patrick A. Stone, Stephanie N. Thompson, Brent Hanson, David Masinter. Journal of Vascular Surgery. September 2015. Volume 62, Issue 3, Page 814

Ten year experience of vascular surgeon management of iatrogenic pseudoanerysms: do anticoagulant/antiplatelet medications matter? Patrick Stone, James Campbell, John E. Campbell, Maria Martinez, David Masinter, Stephanie N. Thompson, Ali F. AbuRahma. Annals of Vascular Surgery. May 2015. Volume 29, Issue 4, Pages 639-640.

Lubomyr Boris

Hometown: Chicago, IL

Education: BS, Biology--Loyola University of Chicago; DO--Marian University of Osteopathic Medicine

Personal Interests: Sports, movies, traveling

Publications: Many patients continue using proton pump inhibitors after negative results from tests for reflux disease. Clinical Gastroenterology and Hepatology. 2012, Jun; Gawron AJ, Rothe J, Fought AJ, Fareeduddin A, Toto E, Boris L, Kahrilas PJ, Pandolfino JE.

Increased risk for persistent intestinal metaplasia in patients with Barrett's esophagus and uncontrolled reflux exposure before radiofrequency ablation. Gastroenterology. 2012, Sep; Krishnan K, Pandolfino JE, Kahrilas PJ, Keefer L, Boris L, Komanduri S.

Refining the criterion for an abnormal Integrated Relaxation Pressure in esophageal pressure topography based on the pattern of esophageal contractility using a classification and regression tree model. Neurogastroenterology & Motility. 2012, Aug; Lin Z, Kahrilas PJ, Roman S, Boris L, Carlson D, Pandolfino JE.

Regional variation in distal esophagus distensibility assessed using the functional luminal imaging probe (FLIP). Neurogastroenterology & Motility. 2013, Nov; Lin Z, Nicodème F, Boris L, Lin CY, Kahrilas PJ, Pandolfino JE.

Distal Esophageal Spasm in High-Resolution Esophageal Pressure Topography: Defining Clinical Phenotypes. Gastroenterology. 2011, Aug; Pandolfino JE, Roman S, Carlson D, Luger D, Bidari K, Boris L, Kwiatek MA, Kahrilas PJ.

Distensibility of the esophagogastric junction assessed with the functional lumen imaging probe (FLIP™) in achalasia patients. Neurogastroenterology & Motility. 2013, Jun; Pandolfino JE, de Ruigh A, Nicodème F, Xiao Y, Boris L, Kahrilas PJ.

High-resolution manometry studies are frequently imperfect but usually still interpretable. Clinical Gastroenterology and Hepatology. 2011, Dec; Roman S, Kahrilas PJ, Boris L, Bidari K, Luger D, Pandolfino JE.

Phenotypes and clinical context of hypercontractility in high-resolution esophageal pressure topography (EPT). The American Journal of Gastroenterology. 2012, Jan; Roman S, Pandolfino JE, Chen J, Boris L, Luger D, Kahrilas PJ.

Comparison of esophagogastric junction distensibility changes during POEM and Heller myotomy using intraoperative FLIP. Surgical Endoscopy. 2013, Dec; Teitelbaum EN, Boris L, Arafat FO, Nicodème F, Lin Z, Kahrilas PJ, Pandolfino JE, Soper NJ, Hungness ES.

An extended proximal esophageal myotomy is necessary to normalize EGJ distensibility during Heller myotomy for achalasia, but not POEM. Surgical Endoscopy. 2014, Oct; Teitelbaum EN, Soper NJ, Pandolfino JE, Kahrilas PJ, Boris L, Nicodème F, Lin Z, Hungness ES.

Esophagogastric junction distensibility measurements during Heller myotomy and POEM for achalasia predict postoperative symptomatic outcomes. Surgical Endoscopy. 2015, Mar;Teitelbaum EN, Soper NJ, Pandolfino JE, Kahrilas PJ, Hirano I, Boris L, Nicodème F, Lin Z, Hungness ES.

The acoustic cough monitoring and manometric profile of cough and throat clearing.. Disease of the Esophagus. 2014, Jan; Xiao Y, Carson D, Boris L, Mabary J, Lin Z, Nicodème F, Cuttica M, Kahrilas PJ, Pandolfino JE.

Sophia Del Toro

Hometown: Austin, Texas

Education: BS-Biology--The University of Texas at Austin; MS-Medical Sciences, DO--University of North Texas Health Science Center

Interests: Soccer, outdoor activities


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Kendra Grundman

Hometown: Lincoln, NE

Education: B.S., University of Nebraska-Lincoln
D.O., Rocky Vista University College of Osteopathic Medicine

Personal Interests: camping, running, soccer, cooking, binge watching CSI Las Vegas

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Devan Lenhart

Hometown: Albany, New York

Education: B.S., Saint John Fisher College
M.S., Georgetown University
D.O., Des Moines University

Personal Interests: Scuba, fitness, travel

Publications: Demuro J, Hanna A, Lenhart D, Logan D, Reed W, McNelis J. Characteristics of Clostridium Difficile Across Adult ICUs in a Tertiary Care Hospital. Critical Care Medicine 2010 38(12) A312.

Demuro J, Lenhart D, McNelis J, Jax J, Simmons S, Reed W. Characteristics of Bilateral versus Unilateral Rib Fractures in SICU. Critical Care Medicine 2010 38(12) A877.

McNelis J, Lenhart D, Demuro J, Hanna A. CVP does not correlate with ICP in patients with TBI. Critical Care Medicine 2010 38(12) A833.

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Lucas Wright

Hometown: Georgetown, KY

Education: B.S., Biology - University of Pikeville; DO - Kentucky College of Osteopathic Medicine

Personal Interests: Anything sports related, hiking, spending time with my wife and dog


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Sholom-Ber Chernyak

Hometown: Boston, MA

Education: Undergrad: Yeshiva University, Med School: TouroCOM Harlem

Personal Interests: Rebuilding and riding ATVs


Vibha Shrivastava, Hannah Marmor, Sholom Chernyak, Marc Goldstein, Miriam Feliciano, Margarita Vigodner, Cigarette smoke affects posttranslational modifications and inhibits capacitation-induced changes in human sperm proteins, Reproductive Toxicology, Volume 43, January 2014, pp 125-129, DOI: 10.1016/j.reprotox.2013.12.001

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Alex Herrera

Hometown: Atlanta, GA

Education: College: UCF

med school: LECOM Bradenton

Personal Interests: eating brownies, sleeping, harassing my co residents

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Tiffany Sinclair

Hometown: Chicago, IL

Education: Undergrad: Crown College, St Bonifacius, MN
Med School: Nova Southeastern University, Ft. Lauderdale, FL

Personal Interests: fitness, baking, watching hockey/football, playing soccer, avoiding winter weather, anything Disney related