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MARK YOST
NPI 1821713645
Optometrist in Tigard, OR

Active since October 04, 2022PECOS Enrolled
9975 SW FREWING ST STE 130, TIGARD, OR 97223(503) 906-3596(503) 906-1014 Get Directions Write a Review

NPPES record last updated: June 11, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 11, 2024, Oct 19, 2022, Oct 4, 2022 (3 updates tracked since 2022).

About Mark Yost NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK YOST (NPI 1821713645) is an individual optometrist in Tigard, Oregon, licensed in Oregon (44277) and active in the NPI registry since October 2022. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1821713645
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameMARK YOST
Location Address9975 SW FREWING ST STE 130Tigard, OR 97223-5091
Mailing Address1834 Nw 25th Ave Apt 501Portland, OR 97210-2764 · (415) 407-6519
Phone(503) 906-3596
Fax(503) 906-1014
Sole ProprietorYes
Enumeration DateOctober 4, 2022
Last NPPES UpdateJune 11, 20243 updates tracked since enumeration
NPPES CertifiedJune 11, 2024
✔ NPI 1821713645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in OR · 44277
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
9975 SW FREWING ST STE 130, Tigard, OR 97223
Open in Google Maps ↗

Secondary Practice Locations 2

Location 111020 SW Beaverton Hillsdale HwyBeaverton, OR 97005-3007 · Phone (503) 526-9697 · Fax (503) 644-8330
Location 215405 SW 116th Ave Ste 204King City, OR 97224-4101 · Phone (971) 371-3927

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Yost is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97223 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PATRICIA KOZAK OD
Optometrist
9975 SW FREWING ST STE 130
TIGARD, OR 97223
Washington County (503) 906-3596
CONVERGE NEURO OPTOMETRY LLC
Optometrist
9975 SW FREWING ST STE 130
TIGARD, OR 97223
Washington County (503) 906-3596
DR. MACSON YEN LEE O.D.
Optometrist
9975 SW FREWING ST STE 130
TIGARD, OR 97223
Washington County (503) 906-3596

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Yost's NPI number?

The NPI number for Mark Yost is 1821713645. It was assigned to this individual provider in the NPPES registry on October 4, 2022.

Where is Mark Yost located?

Mark Yost practices at 9975 SW Frewing St Ste 130, Tigard, OR 97223. The listed phone number is (503) 906-3596.

What is Mark Yost's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Mark Yost enrolled in Medicare?

Yes. Mark Yost is registered in the Medicare PECOS enrollment system.

What insurance does Mark Yost accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, BridgeSpan Health Company and Moda Health Plan, Inc. and 2 other insurers list Mark Yost as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Yost was last updated on June 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.