Pierce L. Claassen, M.D.

IM Resident @MayoClinic 🏜️ | GI lover 🔭 | Agricultural roots 🌾 | @WSUMedicine/@WSUPullman Alum 🐾 | Views are my own, not medical advice, T/RT/L≠endorsement

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

Year 3 of internal medicine residency has begun! I am excited to finish the last year of this phase of my training and finally apply to gastroenterology fellowship! 🩺

Best wishes to everyone applying for fellowship positions this cycle! May we all enjoy the journey! #GITwitter

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@NeenaSAbrahamMD @MN_GIMD @BMoshiree @kehutchins77 @LindaNguyenMD @DCharabaty @AmCollegeGastro Your presence in the institute will be missed, Dr. @NeenaSAbrahamMD !! 🙏

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@M_H_Abdelnabi @MayoClinicCV @MayoAZCVFellows Congrats, Mahmoud! This is certainly well-deserved 🎉

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@UtGastro @SanjeevaniTomar @TanimaJanaMD @vaibhav_manu @TomasDaVee @iGUT_Houston @AkshataMoghe @AasthaBharwad @ManeeraChopra @aleemurmd @Himsikhar1 Congratulations to Dr. @Himsikhar1 and all! Have an amazing year 🙏

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@PeakNatapatMD @MayoClinicGIHep @MayoAZ_IMRES @MayoClinic @AmCollegeGastro @AmerGastroAssn @ACPIMPhysicians Thsnk you for your kindness, Dr. @PeakNatapatMD! Looking forward to connecting with you this fall! 🙏

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

Year 3 of internal medicine residency has begun! I am excited to finish the last year of this phase of my training and finally apply to gastroenterology fellowship! 🩺

Best wishes to everyone applying for fellowship positions this cycle! May we all enjoy the journey! #GITwitter

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@PeakNatapatMD @MayoClinicGIHep Congratulations to you! Enjoy the year!!

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@leahampelas @AJMeltzerMD @MayoAZSurg @JustinBradyMD @innaaaMD @valeriielynnn @OmneyaKandil @AtoutMayarr Welcome, all!! 🙏🌵

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@MayoClinicGIHep @IrisWangMD Congratulations to you all!! 🙏

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

It will be hard to beat #ACG2025 in Phoenix, but I know Nashville is going to be an incredible scene for #ACG2026! Submit your abstracts by end-of-day tomorrow - Monday, June 1st! 📈📊

Remember to register for ACG membership, too! 🙌

[ACG @AmCollegeGastro]

🚨⏰ Time is running out to submit your abstracts for #ACG2026! ⏰🚨

Submit by Monday, June 1, at 11:59 pm ET:
➡️ https://t.co/tt02sDQvw8 ⬅️

@umfoodoc @raman_muthusamy @IBD_Afzali

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@samarthrawal @_AMontoya_ To the moon, Dr. @samarthrawal !! So very proud of you 🚀

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@MayoClinicGIHep Well done, Dr. @john_damianosMD and team!! 🫶

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@DannyRyanMD Thank you for sharing, Dr. Ryan! So well-said!

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@MatthewYZhao @AmCollegeGastro @MountSinaiGI Congratulations to you!!! 🏆

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

Wondering about that peculiar intraluminal duodenal diverticulum? It may just be a windsock diverticulum! Read our latest case here - thank you to Drs. Terry Jue and Francisco Ramirez 🙏🔭🚁 #GITwitter #MedTwitter @cureusjournal @MayoClinicGIHep

https://t.co/FxPse0vCII

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@NeenaSAbrahamMD @DrR_Williams @AmCollegeGastro Amazing work, Dr. @NeenaSAbrahamMD and all!! 💸

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@Faresjamall @WallaceKleinS @MayoAZ_IMRES @sonbol_bassam We are all so happy for you, Dr. @Faresjamall! 🙏

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@john_damianosMD @jalpa_devi Amazing! So excited to hear updates at the @DDWMeeting and @AmCollegeGastro events this year 🧠⚡️💩

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

@samarthrawal Thank you so much, Dr. Rawal!

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

It is going to be such an amazing @AmCollegeGastro Annual Meeting in Nashville, Tennessee this fall! Can’t wait to see you all there! 🍂🎸🎼

[ACG @AmCollegeGastro]

📣ACG 2026 Abstract Submissions Now Open!
⏰ Deadline: Monday, June 1 at 11:59 PM ET

Interested in presenting your research? Submit your clinical or research-focused abstract in gastroenterology or hepatology for presentation at #ACG2026. https://t.co/ENY3aVg4Uo

[Pierce L. Claassen, M.D. @FarmTo_OR_Table]

Colorectal Cancer Awareness Month is here! I provided commentary on the recent @JAMA_current study showing colorectal cancer’s astonishing rise in incidence and mortality in young people. Screening saves lives! 💙 @AmCollegeGastro @FightCRC @CCAlliance

https://t.co/692tjhb2Wc