Mark Howard Williams, RPH
Pharmacist · Eugene, OR
Mark Howard Williams, RPH is a pharmacist with a practice address in Eugene, Oregon, and NPI 1396024790, issued on Aug 16, 2011. Check the license (Oregon 6425, as entered in NPPES) with the Oregon board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Howard Williams
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- 6425 OR
31208 CA
Self-reported in NPPES; status is on the state search - Practice location
- 145 E 18TH Ave, Eugene, OR 97401
- Phone
- (541) 683-9684
- Enumerated
- Aug 16, 2011
- Record last updated
- Aug 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (541) 485-5413
- Entity
- Type 1 · individual
Also registered at 145 E 18TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harold BucholtzPharmacist1043599632
- Fidelis ChowPharmacist1952876633
- Benjamin DamewoodPharmacist1184275141
- Spencer Duffey, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1245712843
- Jonathan Ng, PHARMDPharmacist1699437723
- Apeksha PatelPharmacist1669895827
Verify Mark Howard Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 6425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
169 pharmacist records list a practice address in Eugene
They are 169 of the 8,239 NPPES records with a practice address in Eugene, and 3,571 pharmacist records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 169 in Eugene → All 3,571 in Oregon → Every provider in Eugene →
Other pharmacist records in Oregon
- Casey Aaby, PHARMDSpringfield, OR1114735909
- Zachary Aalberg, PHARMDMedford, OR1336757095
- Carly Aamoth, PHARM.DPortland, OR1659749380
- Tahlia Aarstad, PHARMDKlamath Falls, OR1972928117
- Abdulahi Ababulgu, PHARMDPortland, OR1548942188
- Alyaa AbbasWoodburn, OR1477417293
- Diana AbdeljawadPortland, OR1578369229
- Gerissa AbdonBeaverton, OR1487364014
- Laura AbellEnterprise, OR1134640584
- Haile AberhaCorvallis, OR1285124826
Common questions
What is Mark Howard Williams, RPH's NPI number?
Mark Howard Williams, RPH's National Provider Identifier (NPI) is 1396024790, issued on Aug 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mark Howard Williams, RPH located?
The NPPES record lists a practice address at 145 E 18TH Ave, Eugene, OR, 97401. Phone: (541) 683-9684. Providers update this record themselves, so call before visiting.
How can I verify Mark Howard Williams, RPH's license?
NPPES lists Oregon license number 6425, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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. 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.