Neurosonology (RPNI) Examination

Upcoming Examination Dates:

October 8 - 14, 2025

Register for the October 2025 RPNI examination

February 4 - 10, 2026

Register for the February 2026 RPNI examination

Registration Rates:
Physician Member: $1,250
Physician Non-Member: $1,750
Physician in Training Member: $995
Physician in Training Non-member: $1,400

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RPNI EXAM FREQUENTLY ASKED QUESTIONS


SUBMIT A QUESTION


REFUND POLICY

No refunds will be given for the exam.


RESCHEDULING POLICY

If you need to reschedule your examination, please contact the ASN Executive Office. Rescheduling will incur in a $100 administration fee. Rescheduling is only available ONCE and for one year from the date of your initial exam application.


EXAM OVERVIEW AND PREPARATION

The ASN examination in Neurosonology is designed to assess a physician's ability to apply knowledge, concepts, and principles of neuroimaging that constitute the basis of safe and effective patient care. They are designed to assess whether the candidate can apply the medical knowledge and understanding of biomedical and clinical sciences considered essential for the unsupervised practice of neuroimaging. The Neurosonology Proficiency Examination is not based on the review course in Neurosonology given at the ASN Annual Meeting. The course does not cover the entire content of the exam. 

Suggested Reading for Physics:
Understanding Ultrasound Physics (3rd or 4th edition) by Sidney K. Edelman

Suggested Reading for TCD and Carotid Ultrasound:
Cerebrovascular Ultrasound in Stroke Prevention and Treatment (2nd edition) by Andrei V. Alexandrov
Neurovascular Examination: The Rapid Evaluation of Stroke Patients Using Ultrasound Waveform Interpretation by Andrei V. Alexandrov
Stroke Prevention Trial in Sickle Cell Anemia (STOP): extended follow-up and final results
Practice Standards for Transcranial Doppler Ultrasound: Part 1 by Andrei Alexandrov et al


ELIGIBILITY

Please see the below pathway to determine if you are eligible to sit for the RPNI Examination:


MAINTENANCE OF CERTIFICATION

At the ASN January 2010 Board Meeting, the ASN Board of Directors approved a maintenance of certification policy that became effective January 1, 2011. 

All ASN certificates issued after the January 2011 Neurosonology Exam are time-limited, expiring on January 31st of the 3rd year after the date of issuance. There are three requirements that must be met during the 3 year cycle in order to be recertified for another 3 year period. The diplomate must:

1. Maintain a current, active, valid, unrestricted, and unqualified license to practice medicine;
2. Continue to be in good standing in the primary specialty of an ABMS member board that was required for eligibility when he or she applied for initial ASN certification (does not apply to foreign diplomats); and
3. Complete 15 category 1 CME hours specific to ultrasound.

Please see CME Opportunities page for additional resources.

PLEASE NOTE: You must submit all of the above documentation in a single pdf during the registration process. If you are registering as a physician in training, you must also include verification of your training status. Please have your documents ready before you register.


CME/CEU Resources

• Wake Forest School of Medicine (Winston-Salem, NC)
• Swedish Medical Center/Pacific Vascular (Seattle, WA) 
• Cedars Sinai Medical Center (Los Angeles, CA)
• Gulfcoast Ultrasound Institute Inc. (St. Petersburg, Florida)


PARTIAL EXAM RETAKE

Please contact the Executive Office at (864) 214-6161 or info@asnweb.org if you need to retake a section of the exam. Do not register using the main registration site.


REFUND POLICY

No refunds will be given for the exam, and payments cannot be carried over to the next year if you do not take the exam in the year that you paid the exam fee.


RPNI CERTIFICATE INFO


NOTES

  • Those who have not yet received Board Eligibility/Certification or a medical license at the time of the examination will receive their results upon providing supporting documentation.
  • ASN Neurosonology Credential is recognized by the Intersocietal Commission for Accreditation of Vascular Laboratories as a credential allowing an MD to serve as the Medical Director of a vascular ultrasound laboratory.  Please click here for reimbursement information.
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