Physicians

Meet the experts

Gary D. Berman, M.D.

Dr. Berman is a Principal Investigator with over 20 years of experience at Clinical Research Institute, Inc. with an emphasis on migraine headache clinical trials.
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Hemalini Mehta, M.D.

Hemalini Mehta, M.D.

Dr. Mehta is a Principal Investigator at Clinical Research Institute, Inc. and has an active practice at Allergy & Asthma Specialists, PA. She has served as an investigator in clinical trials since 2001.
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Allan Stillerman MD

Allan Stillerman, M.D.

Dr. Stillerman serves as a Principal Investigator and Sub-Investigator at Clinical Research Institute, Inc. with an emphasis on Food Allergy research studies.
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Philip C. Halverson, M.D.

Philip C. Halverson, M.D.

Dr. Halverson is a Sub-Investigator at Clinical Research Institute, Inc. He has over 25 years of research experience as a Principal Investigator and Sub-Investigator.
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Nancy L. Ott, M.D.

Dr. Ott is a Sub-Investigator at Clinical Research Institute, Inc. and she also has a busy practice at Allergy & Asthma Specialists, PA.
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Mary Anne Elder

Mary Anne Elder, R.N., M.S., F.N.P.

Ms. Elder is the Research Manager at Clinical Research Institute, Inc., a Nurse Practitioner with Allergy & Asthma Specialists, PA and serves as a Sub-Investigator for clinical trials.
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Dr. kaiser

Harold B. Kaiser, M.D.

Harold B. Kaiser, MD is Principal Investigator, Emeritus, Clinical Research Institute, Inc. He began Clinical Research Institute in 1985 and served as CEO, Principal Investigator and mentor until his retirement in December of 2019. Dr. Kaiser built a well-respected organization which has conducted over 1,000 clinical trials to date. In 1966 he opened Allergy & Asthma Specialist, P.A. and until his retirement he served as CEO while maintaining a busy clinical practice.