Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ronn Mark Johnson, PHD

Individual provider Clinical Psychologist · NPI 1699986000

Dr. Ronn Mark Johnson, PHD is a Clinical Psychologist in Brookings, Oregon. Qualified in 2000, 26 years ago. Practices as a sole proprietor, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Oregon.

Years since qualifying
26
Licensed in
CA, OR
In the registry since
2007
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

603 Hemlock St Ste 2C-3
Brookings, OR 97415-9424
Phone: (541) 661-6479
Fax: (541) 412-7087
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1305 Northcrest Dr Ste 2, Crescent City, CA 95531-2322 — (541) 661-6479

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY18784 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 1567 (OR)

Record details

NPI number1699986000
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 25, 2007
Last updated in NPPESJuly 10, 2023
Certification dateJuly 10, 2023
Mailing addressPo Box 4245, Brookings, OR 97415-0064

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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