![Sarah Alleman, RN, MSN, NP-BC](https://infectiousdiseases.wustl.edu/wp-content/uploads/2022/12/Alleman-Sarah_ID_02_1400x1930-280x386.jpg)
Sarah Alleman, RN, MSN, NP-BC
Nurse Practitioner – Outpatient
- Email: salleman@wustl.edu
With a genuine and nurturing nature, combined with a professional and
ambitious approach, I possess the primary skills needed in my field,
including patient education and counseling.
![Carrie L. Brandstetter, NP](https://infectiousdiseases.wustl.edu/wp-content/uploads/2021/02/Carrie-Brandstetter-280x386-1-280x386.jpg)
Carrie L. Brandstetter, NP
Nurse Practitioner – In Patient
- Phone: 314-362-0906
- Email: carrieblythe@wustl.edu
Nurse Practitioner – Infectious Diseases Inpatient Service
![Jessica R. Doiron, DNP, ANP-BC](https://infectiousdiseases.wustl.edu/wp-content/uploads/2016/05/DoironJ_300-280x386.jpg)
Jessica R. Doiron, DNP, ANP-BC
Nurse Practitioner, ID Transplant Service
- Phone: 314-747-5703
- Fax: 314-454-5392
- Email: jdoiron@wustl.edu
Dr. Doiron has specialized in infectious diseases since 2004. She serves as a preceptor for nurse practitioner students and speaks at regional conferences on infectious disease issues.
![Erin Drinen, NP](https://infectiousdiseases.wustl.edu/wp-content/uploads/2023/07/Drinen-Erin-280x386.jpg)
Erin Drinen, NP
Nurse Practitioner – Infectious Diseases Outpatient Service
- Email: drinene@wustl.edu
![Katie Hannigan, RN, MSN, FNP-BC](https://infectiousdiseases.wustl.edu/wp-content/uploads/2016/08/HanniganK_300-280x386.jpg)
Katie Hannigan, RN, MSN, FNP-BC
Nurse Practitioner
- Phone: 314-747-1206
- Email: khanniga@wustl.edu
Ms. Hannigan has specialized in Infectious Diseases since 2013.
![Michael Klebert, PhD, RN, ANP-BC](https://infectiousdiseases.wustl.edu/wp-content/uploads/2016/05/mike_klebert-280x386.jpg)
Michael Klebert, PhD, RN, ANP-BC
Instructor in Medicine
- Phone: 314-454-0058
- Email: mklebert@wustl.edu
![Default image](https://infectiousdiseases.wustl.edu/wp-content/plugins/washu-people-places-items//assets/images/default-people.jpg)
Kelly Lavin, BSN, MSN, FNP-BC
Nurse Practitioner – Infectious Diseases Outpatient Service
- Email: lavin@wustl.edu
![Rachel E. O'Brien, AGPCNP-C](https://infectiousdiseases.wustl.edu/wp-content/uploads/2018/12/OBrienR_headshotjpg-280x386.jpg)
Rachel E. O’Brien, AGPCNP-C
Nurse Practitioner
- Phone: 314-7471206
- Fax: 314-362-9851
- Email: rachelobrien@wustl.edu
Rachel is a nurse practitioner in the infectious diseases outpatient clinic.