Thomas W. Loehfelm, M.D., Ph.D. for UC Davis Health

Thomas W. Loehfelm, M.D., Ph.D.

Associate Professor

Associate Chair for Informatics

To see if Thomas W. Loehfelm is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



Diagnostic Radiology

Abdominal Imaging



Locations and Contact

UC Davis Medical Center

UC Davis Medical Center
2315 Stockton Blvd.
Sacramento, CA 95817

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Additional Numbers



Clinic Phone


Physician Referrals

800-4-UCDAVIS (800-482-3284)

Clinical Interests

Dr. Loehfelm is a diagnostic radiologist who specialized in advanced imaging of the abdomen and pelvis, using CT, MRI, and ultrasound to diagnose and guide treatment of disease.

Research/Academic Interests

Dr. Loehfelm's research focuses on the use of data to improve healthcare quality, by helping physicians use and learn from information in the extensive electronic medical record. 


Abdominal Imaging

Undergraduate School

B.A., College of the Holy Cross, Worcester MA 1999

Medical School

M.D., Ph.D., Medicine and Microbiology, State University of New York, Buffalo NY 2010


Emory University, Atlanta GA 2010-2011


Radiology, Emory University, Atlanta GA 2011-2015


Abdominal Imaging, Stanford University, Palo Alto CA 2015-2016

Corwin MT, Navarro SM, Malik DG, Loehfelm TW, Fananapazir G, Wilson M, Campbell MJ. Differences in Growth Rate on CT of Adrenal Adenomas and Malignant Adrenal Nodules. AJR Am J Roentgenol. 2019 Apr 30:1-5. doi:10.2214/AJR.19.21342

Fananapazir G, Klimkiv L, Canvasser N, Lamba R, Loehfelm TW, Corwin MT. Radiation Dose Reduction of Unenhanced CT Limited to the Kidneys for Follow-Up of Patients With Known Nephrolithiasis Without Symptoms. AJR Am J Roentgenol. 2019 Apr 11:1-4. doi:10.2214/AJR.18.20805

Corwin MT, Khera SS, Loehfelm TW, Yang NT, Fananapazir G. Incidentally Detected Focal Fundal Gallbladder Wall Thickening at Contrast-Enhanced Computed Tomography: Prevalence and Computed Tomography Features of Malignancy. J Comput Assist Tomogr. 2019 Jan/Feb;43(1):149-154. doi:10.1097/RCT.0000000000000802

Corwin MT, Loehfelm TW, McGahan JP, Liang C, Khati NJ, Haji-Momenian S. Prevalence of Low-Attenuation Homogeneous Papillary Renal Cell Carcinoma Mimicking Renal Cysts on CT. AJR Am J Roentgenol. 2018 Dec;211(6):1259-1263. doi:10.2214/AJR.18.19744. 

Corwin MT, Hansra SS, Loehfelm TW, Lamba R, Fananapazir G. Prevalence of Solid Tumors in Incidentally Detected Homogeneous Renal Masses Measuring > 20 HU on Portal Venous Phase CT. AJR Am J Roentgenol. 2018 Sep;211(3):W173-W177. doi:10.2214/AJR.17.19351

Corwin MT, Chalfant JS, Loehfelm TW, Fananapazir G, Lamba R, Mayo-Smith WW. Incidentally Detected Bilateral Adrenal Nodules in Patients Without Cancer: Is Further Workup Necessary? AJR Am J Roentgenol. 2018 Apr;210(4):780-784. doi:10.2214/AJR.17.18543

Gerscovich EO, Sekhon S, Loehfelm TW, Greenspan A. Fetal ultrasound: Early diagnosis. J Ultrason. 2017 Dec;17(71):294-298. doi:10.15557/JoU.2017.0043

Balthazar P, Hawkins CM, Vijayasarathi A, Loehfelm TW, Duszak R Jr. Current Clinical Practice Patterns of Self-Identified Interventional Radiologists. AJR Am J Roentgenol. 2018 Mar;210(3):663-668. doi:10.2214/AJr17.18592

Goff DJ, Loehfelm TW. Automated Radiology Report Summarization Using an Open-Source Natural Language Processing Pipeline. J Digit Imaging. 2018 Apr;31(2):185-192. doi:10.1007/s10278-017-0030-2

Corwin MT, Lee AY, Fananapazir G, Loehfelm TW, Sarkar S, Sirlin CB. Nonstandardized Terminology to Describe Focal Liver Lesions in Patients at Risk for Hepatocellular Carcinoma: Implications Regarding Clinical Communication. AJR Am J Roentgenol. 2018 Jan;210(1):85-90. doi:10.2214/AJR.17.18416