NPPES file of Aug 9, 2026

Mark Alan Williams, O.D.

Optometrist · Portland, OR

Mark Alan Williams, O.D. is an optometrist with a practice address in Portland, Oregon, and NPI 1801803689, issued on Aug 2, 2006. Check the license (Oregon 2163ATI, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801803689
Name
Mark Alan Williams
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
2163ATI OR
OD00001823 WA
Self-reported in NPPES; status is on the state search
Practice location
3710 SW US Veterans Hospital RD, Portland, OR 97239
Phone
(503) 220-8262
Enumerated
Aug 2, 2006
Record last updated
Mar 7, 2023
Fax
(503) 402-2943
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3710 SW US Veterans Hospital RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wendy AbramClinical Social Worker1386254597
  2. Kayleen AdamsLicensed Vocational Nurse1548905565
  3. Zeenat Ahmed, M.DAnesthesiology Physician1679687974
  4. Alan Albright, PA-CPhysician Assistant1669578845
  5. Lakshi Aldredge, NPAdult Health Nurse Practitioner1003920109
  6. Claude Aldridge (jr.), LMSW#Clinical Social Worker1528176328

Verify Mark Alan Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 2163ATI
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

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Industry payments in 2024: $120.30

1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Williams$120.30
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Optometrist providers in Oregon

There are 944 optometrist records in Oregon.

Other optometrist records in Oregon

  1. James Adamek, ODEagle Point, OR1568660199
  2. Brittany Adams, O.D.Albany, OR1265732978
  3. Makayla Adams, ODMyrtle Creek, OR1790461911
  4. Shelly Adams, O.D.White City, OR1396908075
  5. Samuel Adelman, O.D.Happy Valley, OR1043545122
  6. Brett Agost, O.D.Gresham, OR1326030883
  7. Dane AgostGresham, OR1376461657
  8. Andrew Aker, O.D.Portland, OR1154520906
  9. Joseph An, O.D.Gresham, OR1235271511
  10. Anna Anderson, O.D.Portland, OR1376707984

Common questions

What is Mark Alan Williams, O.D.'s NPI number?

Mark Alan Williams, O.D.'s National Provider Identifier (NPI) is 1801803689, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Alan Williams, O.D. located?

The NPPES record lists a practice address at 3710 SW US Veterans Hospital RD, Portland, OR, 97239. Phone: (503) 220-8262. Providers update this record themselves, so call before visiting.

How can I verify Mark Alan Williams, O.D.'s license?

NPPES lists Oregon license number 2163ATI, 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. 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.