Ryan Niederkohr, MD
Assistant Professor
Boston University Chobanian & Avedisian School of Medicine
Nuclear Medicine

MD, Ohio State University
BS, University of Notre Dame

About Me
I completed my medical education at The Ohio State University (2003), followed by residency training in nuclear medicine at Stanford University Medical Center (2007). I joined The Permanente Medical Group in 2008. My clinical interests include diagnostic and therapeutic nuclear medicine.
Roles and Responsibilities
In addition to my clinical duties, I serve as an assistant physician-in-chief at the KP Santa Clara Medical Center.
Professional Affiliations
I am proud to have held leadership positions in the Society of Nuclear Medicine and Molecular Imaging and The American Board of Nuclear Medicine.
Hobbies and interests
My hobbies include golf, skiing and aviation.

Kaiser Permanente Santa Clara Medical Center

Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.

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  1. Niederkohr RD, Hayden SP, Hamill JJ, Jones JP, Schaefferkoetter JD, Chiu E. Reproducibility of FDG PET/CT image-based cancer staging and standardized uptake values with simulated reduction of injected FDG dose or acquisition time. Am J Nucl Med Mol Imaging. 2021; 11(5):428-442.View Related Profiles. PMID: 34754613; PMCID: PMC8569332
  2. Zukotynski KA, Niederkohr RD, Greenspan BS, Prior JO, Schöder H, Seltzer MA, Rohren EM, Yoo DC. An International Survey of PET/CT Clinical Reporting. J Nucl Med. 2019 Apr; 60(4):478-479. PMID: 30877176
  3. Sanli Y, Zukotynski K, Mittra E, Chen DL, Nadel H, Niederkohr RD, Subramaniam RM. Update 2018: 18F-FDG PET/CT and PET/MRI in Head and Neck Cancer. Clin Nucl Med. 2018 Dec; 43(12):e439-e452. PMID: 30394934
  4. Wright CL, Niederkohr RD, Knopp MU, Knopp MV. Online Social Media Practices in Nuclear Medicine and Molecular Imaging: A Concept to Incentivize Creation of Digital and Web-Based Content. J Nucl Med. 2017 06; 58(6):12N-14N. PMID: 28572291
  5. Moghbel MC, Mittra E, Gallamini A, Niederkohr R, Chen DL, Zukotynski K, Nadel H, Kostakoglu L. Response Assessment Criteria and Their Applications in Lymphoma: Part 2. J Nucl Med. 2017 Jan; 58(1):13-22. PMID: 27879369; DOI: 10.2967/jnumed.116.184242;
  6. Zukotynski K, Jadvar H, Hope T, Subramaniam RM, Van Loon K, Varma M, Niederkohr RD. SNMMI Comment on the 2016 Society of Surgical Oncology "Choosing Wisely" Recommendation on the Use of PET/CT in Colorectal Cancer. J Nucl Med. 2017 01; 58(1):11-12. PMID: 27688471; DOI: 10.2967/jnumed.116.182584;
  7. Meltzer C, Budayr A, Chavez A, Dlott R, Greif W, Gurushanthaiah D, Klonecke A, Lando M, Leary J, Nayak S, Niederkohr R, Park J, Savitz A, Schwartz H. Evidence-Based Workflows for Thyroid and Parathyroid Surgery. Perm J. 2016; 20(3):57-73. PMID: 27479948; PMCID: PMC4991916; DOI: 10.7812/TPP/16-035;
  8. Moghbel MC, Kostakoglu L, Zukotynski K, Chen DL, Nadel H, Niederkohr R, Mittra E. Response Assessment Criteria and Their Applications in Lymphoma: Part 1. J Nucl Med. 2016 Jun; 57(6):928-35. PMID: 27127227; DOI: 10.2967/jnumed.115.166280;
  9. Olcott P, Pratx G, Johnson D, Mittra E, Niederkohr R, Levin CS. Clinical evaluation of a novel intraoperative handheld gamma camera for sentinel lymph node biopsy. Phys Med. 2014 May; 30(3):340-5. PMID: 24239343
  10. Niederkohr RD, Chiu E, Katzel JA. 99mTc-oxidronate uptake within urothelial carcinoma confirmed with SPECT/CT imaging. Clin Nucl Med. 2013 Aug; 38(8):655-7.View Related Profiles. PMID: 23751825; DOI: 10.1097/RLU.0b013e3182952c18;
Showing 10 of 30 results. Show More

This graph shows the total number of publications by year, by first, middle/unknown, or last author.

Bar chart showing 30 publications over 13 distinct years, with a maximum of 8 publications in 2007


Contact for Mentoring:

700 Lawrence Expy, 1st Floor Dept 120
Santa Clara CA 95051
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