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

Dr. Douglas Logan Williamson, DNP

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1386240844

Dr. Douglas Logan Williamson, DNP is a Nurse Practitioner in San Luis Obispo, California. Qualified in 2020, 6 years ago. Practices with Pacific Psychiatry Inc , a Professional Medical Corporation, a 6-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
6
Licensed in
CA
In the registry since
2020
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

See every abbreviation used in this directory →

Practice location Address checks out

1304 Ella St Ste B
San Luis Obispo, CA 93401-4166
Phone: (805) 541-6000
Fax: (805) 541-6001
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0808X · Licence NP95016180 (CA)

Record details

NPI number1386240844
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP
Sole proprietorNo
NPI enumeratedDecember 9, 2020
Last updated in NPPESMarch 20, 2025
Certification dateMarch 20, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Pacific Psychiatry Inc., A Professional Medical Corporation — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in San Luis Obispo