Dr. Johnston is on Doximity
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Office
15611 Pomerado Rd
Ste 510
Poway, CA 92064Phone+1 858-312-5492
Education & Training
- Kansas City University of Medicine and Biosciences College of Osteopathic MedicineClass of 1993
Certifications & Licensure
- AZ State License 1996 - 2026
- OH State License 1996 - 2026
- CA State License 1998 - 2025
- American Board of Internal Medicine Internal Medicine
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