Mark Yost
Optometrist · Tigard, OR
Mark Yost is an optometrist with a practice address in Tigard, Oregon, and NPI 1821713645, issued on Oct 4, 2022. Check the license (Oregon 44277, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Yost
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 44277 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9975 SW Frewing St Ste 130, Tigard, OR 97223
- Phone
- (503) 906-3596
- Enumerated
- Oct 4, 2022
- Record last updated
- Jun 11, 2024
- Fax
- (503) 906-1014
- Entity
- Type 1 · individual
Also registered at 9975 SW Frewing St Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Kozak, ODOptometrist1184543548
- Macson Lee, O.D.Optometrist1740251529
Verify Mark Yost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 44277Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $530.39
14 payments; by number, the most common kind was 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
38 optometrist records list a practice address in Tigard
They are 38 of the 3,081 NPPES records with a practice address in Tigard, and 944 optometrist records in Oregon.
All 38 in Tigard → All 944 in Oregon → Every provider in Tigard →
Other optometrist records in Oregon
- James Adamek, ODEagle Point, OR1568660199
- Brittany Adams, O.D.Albany, OR1265732978
- Makayla Adams, ODMyrtle Creek, OR1790461911
- Shelly Adams, O.D.White City, OR1396908075
- Samuel Adelman, O.D.Happy Valley, OR1043545122
- Brett Agost, O.D.Gresham, OR1326030883
- Dane AgostGresham, OR1376461657
- Andrew Aker, O.D.Portland, OR1154520906
- Joseph An, O.D.Gresham, OR1235271511
- Anna Anderson, O.D.Portland, OR1376707984
Common questions
What is Mark Yost's NPI number?
Mark Yost's National Provider Identifier (NPI) is 1821713645, issued on Oct 4, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mark Yost located?
The NPPES record lists a practice address at 9975 SW Frewing St Ste 130, Tigard, OR, 97223. Phone: (503) 906-3596. Providers update this record themselves, so call before visiting.
How can I verify Mark Yost's license?
NPPES lists Oregon license number 44277, 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.