Test Directory

Welcome to the AAHP Membership Directory

The American Academy of Health Physics (AAHP) is pleased to introduce the AAHP Membership Directory, a valuable resource designed to support professional connections and the verification of Certified Health Physicists (CHPs).

This directory allows you to search for active CHPs – helping individuals, organizations, and employers connect with experts in health physics and verify certification status. Use the search filters below to find a CHP by name, member type, location or specialty area.

You can reach out to the individual by using the “Connect” feature to send a message.

If you are an AAHP member looking to connect directly with fellow members, please log in to the member portal to access additional networking resources. (Login link coming soon!)

If you have questions, or need to verify someone who is not listed, please reach out to director@aahp-abhp.org.

Member Name

Enter partial name

Membership Type

Associate
Certified
Emeritus

State

Specialty Areas

Accelerators
ALARA
Dosimetry (external)
Dosimetry (internal)
Emergency Preparedness
Environmental
Fuel Cycle/Waste Management
Instrumentation
Medical
Non-Ionizing Radiation
Nuclear/Radiological Security
Operational Health Physics
Power Reactor
Radon
Regulations/Standards
Risk Assessment
University/Research
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Membership TypeMember NameLocationSpecialtiesConnect
EmeritusNesbitt, Charlesdaphne, AL USConnect
CertifiedNestle, David R.Saint Joseph, MI USConnect
CertifiedNewton, RobertAnn Arbor, MI USConnect
CertifiedNgachin, MerlinMidland, TX USConnect
CertifiedNichelson, ScottSan Antonio, TX USNon-Ionizing RadiationConnect
CertifiedNichols, NathanielColumbia, MO USConnect
CertifiedNichols, RachelColumbia, MO USConnect
EmeritusNicholson, Nora A.Spotsylvania, VA USConnect
EmeritusNicolau, Cristian S.Little Lepreau, NB CAConnect
CertifiedNicosia, William C.Las Vegas, NV USConnect
CertifiedNielsen, Adam D.Atlanta, GA USConnect
CertifiedNiemenski, DeborahPennington, NJ USConnect
EmeritusNimitz, Ronald L.Wayne, PA USConnect
EmeritusNimmo, Elsa A.Menlo Park, CA USConnect
CertifiedNissen, MariaSuffolk, VA USConnect
CertifiedNiven, DaveMississauga, ON CAConnect
CertifiedNiven, Erin S.Edmonton, Alberta CAConnect
CertifiedNjoku, EdwinLivermore, CA USConnect
CertifiedNunn, James P.Blacksburg, VA USConnect
CertifiedO'Keeffe, Michael J.Henderson, NV USConnect
AssociateOberender, Joseph Connect
CertifiedOginni, Babatunde M.Southington, CT USConnect
EmeritusOldewage, HansMonument, CO USConnect
EmeritusOlsen, Bernard M.Somersworth, NH USConnect
EmeritusOlsher, Richard H.Highlands Ranch, CO USConnect
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