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

Dr. Nicholas R Williams, DO, MPH

Individual provider Psychiatry Physician · NPI 1699255869

Dr. Nicholas R Williams, DO, MPH is a Psychiatry in Portland, Oregon. Qualified in 2018, 8 years ago. Practices with Providence Health and Services Oregon, a 1,426-clinician group and accepts Medicare assignment. Licensed in Nebraska and Oregon.

Years since qualifying
8
Licensed in
NE, OR
In the registry since
2018
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

9155 SW Barnes Rd Ste 333
Portland, OR 97225-6630
Phone: (503) 216-5102
Fax: (971) 282-0091
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence DO216050 (OR)
Psychiatry Physician Taxonomy 2084P0800X · Licence 2309 (NE)

Record details

NPI number1699255869
Entity typeIndividual (Type 1)
GenderMale
Credentials DO , MPH
Sole proprietorNo
NPI enumeratedAugust 17, 2018
Last updated in NPPESDecember 8, 2023
Certification dateDecember 8, 2023
Mailing address9155 Sw Barnes Rd Ste 333, Portland, OR 97225-6630

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Providence Health And Services Oregon — 1426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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