Charles E. Williamson, NP
Psychiatric/Mental Health Nurse Practitioner · Portland, OR
Charles E. Williamson, NP is a psychiatric/mental health nurse practitioner with a practice address in Portland, Oregon, and NPI 1740446335, issued on Aug 2, 2008. Check the license (Oregon 202114724NP-PP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles E. Williamson
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 202114724NP-PP OR
Self-reported in NPPES; status is on the state search - Practice location
- 2119 NE Halsey St, Portland, OR 97232
- Phone
- (503) 975-9398
- Enumerated
- Aug 2, 2008
- Record last updated
- Oct 1, 2025
- Fax
- (503) 221-8320
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,217 in Oregon → Look up another NPI →
Also registered at 2119 NE Halsey St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph CiminoChiropractor1578509675
- Pierre-Cedric Crouch, PHD,ANP-BC,PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1194869313
- James Perdue, CRNPFamily Nurse Practitioner1073391553
Verify Charles E. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 202114724NP-PPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
21 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $374.41
9 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Charles E. Williamson among 1,217 psychiatric/mental health nurse practitioner records in Oregon
Charles E. Williamson, NP is one of 1,217 psychiatric/mental health nurse practitioner records with a practice address in Oregon. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 22% of them.
- NPI issued2008 · 22% of these records are older, 75% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2025 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Oregon
There are 1,217 psychiatric/mental health nurse practitioner records in Oregon.
All 1,217 in Oregon → Every provider in Portland → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Pierre-Cedric Crouch, PHD,ANP-BC,PMHNP-BCPortland, OR 972321194869313
- Jean Daniels, LCSW, PMHNP-BCPortland, OR 972321558490441
- Carol Dodson, RN, MS, PMHNPPortland, OR 972321215918974
- Jennifer Lamb, PMHNP-BCPortland, OR 972321861662223
- Teresa Londos, PMHNPPortland, OR 972321790810356
- Brooks Oglesby-Junk, ARNP, PMHNP-BCPortland, OR 972321689770521
- Tamara Owen, PMHNPPortland, OR 972321497844484
- Scott Pecora, N.P.Portland, OR 972321366576787
Common questions
What is Charles E. Williamson, NP's NPI number?
Charles E. Williamson, NP's National Provider Identifier (NPI) is 1740446335, issued on Aug 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Charles E. Williamson, NP located?
The NPPES record lists a practice address at 2119 NE Halsey St, Portland, OR, 97232. Phone: (503) 975-9398. Providers update this record themselves, so call before visiting.
How can I verify Charles E. Williamson, NP's license?
NPPES lists Oregon license number 202114724NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Charles E. Williamson, NP prescribe under Medicare Part D?
In 2024, Charles E. Williamson, NP had 21 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.