CYNTHIA SUE MARSKE DO
NPI 1891721023
Internal Medicine in Corvallis, OR

Q: What is Cynthia Marske's NPI number?

The NPI number for Cynthia Marske is 1891721023. It was assigned to this individual provider in the NPPES registry on June 22, 2006. The provider is also known as Cynthia Sue Sharples D.O..

Q: What is Cynthia Marske's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Cynthia Marske was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.

Active since June 22, 2006PECOS Enrolled

530 NW 27TH ST, CORVALLIS, OR 97330(541) 766-6835(541) 766-6186 Get Directions Write a Review

NPPES record last updated: May 14, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 14, 2025, Dec 18, 2024, Jul 11, 2018 (3 updates tracked since 2018).

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About Cynthia Sue Marske Do NPPES

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

CYNTHIA SUE MARSKE DO (NPI 1891721023) is an individual internal medicine provider in Corvallis, Oregon, licensed in Oregon (DO150418) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891721023

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameCYNTHIA SUE MARSKECredential: DO

Location Address530 NW 27TH STCorvallis, OR 97330

Mailing Address530 Nw 27th StCorvallis, OR 97330-5223 · (541) 766-6835 · Fax (541) 766-6186

Phone(541) 766-6835

Fax(541) 766-6186

Sole ProprietorNo

Enumeration DateJune 22, 2006

Last NPPES UpdateMay 14, 20253 updates tracked since enumeration

NPPES CertifiedMay 14, 2025

✔ NPI 1891721023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in OR · DO150418✔ Licensed in CA · 20A8560

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

530 NW 27TH ST, Corvallis, OR 97330

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Other Names 1

Former Name (1)Cynthia Sue Sharples D.o.

Other Identifiers 2

Medicaid500616008OR

OtherR164954OR · Medicare Tpin

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, PacificSource Health Plans, Providence Health Plan 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)

Cynthia Sue Marske Do 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 97330 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

$126.25 typical visit price

range $54.96 – $166.64

Typical copayment $31.56 (range $13.74 – $41.66)

Most-billed visit code 99204

Established Patient

$97.16 typical visit price

range $17.68 – $136.19

Typical copayment $24.29 (range $4.42 – $34.04)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

3 suppliers11 claims18 services$4.45 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers11 claims11 services$88.31 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

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