Lillias H. Maguire, MD

Colon and Rectal Surgery
Accepting new patients
Sees patients age 18 and up
Penn Colon and Rectal Surgery Perelman
Schedule onlineCall 215-662-2078
Headshot of Lillias H. Maguire, MD
Penn Medicine Provider

About me

  • Director of Research, Division of Colon and Rectal Surgery
  • Measey Surgical Faculty Career Development Endowed Professor
  • Assistant Professor of Surgery

My education and training

  • Medical School: University of Pennsylvania School of Medicine
  • Residency: Massachusetts General Hospital
  • Fellowship: University of Minnesota

Spoken languages

English
English

Reviews

Average Rating

210 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Anonymous
May 2026
excellent relationship with provider dr lillias maguire
Anonymous
May 2026
excellent doctor
Anonymous
May 2026
very satisfied with the care dr. maguire provided.
Anonymous
May 2026
actually, i have already recommended someone to her and he is now a patient

Insurance accepted

Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.

Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Maguire is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

Research

Publications

Radhika Gupta, Rishi Suresh, Jeffrey L. Roberson ∙ Matthew Lee ∙ Lillias H. Maguire ∙ Victoria Fang Mature Tertiary Lymphoid Structures in Pilonidal Sinus Disease , Journal of Investigative Dermatology Innovations : 2026

RC Acker, JL Roberson, JC McVey, E Kaufman, RR Kelz, JB Morris, MK Lee, LH Maguire Grantsmanship Refined: Evaluation and Training of Efficacy in Residents (Greater Study) , Journal of Surgical Education : 2026

Brendan Moran MD, Lily Maguire MD, Sanjeev Dayal MD Peritoneal Malignancies and Colorectal Peritoneal Metastases , Advances in Coloproctology - European Manual of Medicine, Third Edition: 2026

Neylan CJ, Levin MG, Hartmann K, Beigel K, Khodursky S, DePaolo JS, Abramowitz S, Furth EE, Heuckeroth RO, Damrauer SM, Maguire LH Genome-wide association meta-analysis identifies 126 novel loci for diverticular disease and implicates connective tissue and colonic motility , medRxiv: 2025 (Preprint)

Ueland TE, Shelley JP, Mosley JD, Robinson JR, Gamazon ER, Maguire LH, Peek R, Hawkins AT Plasma proteomic signatures for diverticulitis risk stratification , Journal of Surgical Research: 2025 (Epub)

Ma W, Ha J, Neylan CJ, Munro H, Skerrett D, Downie JM, Sevilla-González M, Steinwandel M, Mumma M, Zheng W, Maguire LH, Giovannucci EL, Strate LL, Chan AT Lifestyle factors, genetic susceptibility and risk of incident diverticulitis: An integrated analysis of four prospective cohort studies and electronic health records-linked biobank , Gut: 2025 (Epub)

Neylan CJ, Bercz A, Regenbogen SE, Huang EH, Smith JJ, Maguire LH, Mitchem JB Appraising a CREATEive surgeon-scientist initiative: Impact and future directions , Diseases of the Colon & Rectum, 68(6): 2025,656-657

Neylan CJ, Ueland T, Abramowitz SA, DePaolo JS, Tsao NL, Roberson JL, Hawkins AT, Carey DJ, Smelser DT, Levin MG, Hoffman RL, Damrauer SM, Maguire LH. Novel polygenic risk score associates with diverticulitis in a multi-institutional, ancestrally diverse cohort , Nature Scientific Reports : 2025

Roberson JL, Passman JE, Lee MK 4th, Singhal S, Kelz R, Morris JB, Maguire LH Resident self-efficacy in grantsmanship lags behind key funding deadlines , Journal of Surgical Education, 81(12): 2024,103280

Roberson JL, Neylan CJ, Judy R, Walker V, Tsao PS, Damrauer SM, Maguire LH Critical genes in genitourinary embryogenesis are related to the development of adult hydrocele , Science Reports, 14(1): 2024,30314