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DR. THOMAS L. MARKER M.D.
NPI 1205863420
Internal Medicine - Cardiovascular Disease in Corvallis, OR

Active since June 26, 2006PECOS Enrolled
3600 NW SAMARITAN DR, SUITE E350, CORVALLIS, OR 97330(541) 768-5205(541) 768-5206 Get Directions Write a Review

NPPES record last updated: March 15, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Thomas L. Marker M.d. NPPES

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

DR. THOMAS L. MARKER M.D. (NPI 1205863420) is an individual cardiovascular disease provider in Corvallis, Oregon, licensed in Oregon (MD15524) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205863420
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. THOMAS L. MARKERCredential: M.D.
Location Address3600 NW SAMARITAN DR, SUITE E350Corvallis, OR 97330-3737
Mailing Address3600 Nw Samaritan Dr, Suite E350Corvallis, OR 97330-3737 · (541) 768-5205 · Fax (541) 768-5206
Phone(541) 768-5205
Fax(541) 768-5206
Sole ProprietorNo
Enumeration DateJune 26, 2006
Last NPPES UpdateMarch 15, 2013
✔ NPI 1205863420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in OR · MD15524
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD15524 (OR)
3600 NW SAMARITAN DR, Corvallis, OR 97330
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINA37388OR

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas L. Marker M.d. 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.

Medicare Billing Reassignments

5

Medicare enrollment records show Thomas Marker reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Good Samaritan Hospital Corvallis
Same address
General Acute Care Hospital
3600 NW SAMARITAN DR
Corvallis, OR 97330
  • Reassigned Medicare billing, Oregon enrollment
  • 522 clinicians in this Medicare group
NPI 1962453134 (541) 768-5111
Mid-Valley Healthcare, Inc.
4.6 mi
Pain Medicine
5234 SW PHILOMATH BLVD STE C
Corvallis, OR 97333
  • Reassigned Medicare billing, Oregon enrollment
  • 416 clinicians in this Medicare group
NPI 1164942611 (541) 451-7450
Albany General Hospital
6.9 mi
Family Medicine
1086 7TH AVE SW STE 101
Albany, OR 97321
  • Reassigned Medicare billing, Oregon enrollment
  • 432 clinicians in this Medicare group
NPI 1306679816 (541) 812-5530
Samaritan Pacific Health Services, Inc.
34 mi
Rural Health
199 WEST HIGHWAY 20
Toledo, OR 97391
  • Reassigned Medicare billing, Oregon enrollment
  • 332 clinicians in this Medicare group
NPI 1568543692 (541) 574-2730
Samaritan North Lincoln Hospital
45 mi
Urology
3100 NE 28TH ST STE B
Lincoln City, OR 97367
  • Reassigned Medicare billing, Oregon enrollment
  • 277 clinicians in this Medicare group
NPI 1679927636 (541) 812-5820

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
$68.64 typical visit price
range $17.68 – $136.19
Typical copayment $17.16 (range $4.42 – $34.04)
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 20

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

DR. ELIZABETH BURNS MCQUITTY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
3600 NW SAMARITAN DR, PATHOLOGY DEPT
CORVALLIS, OR 97330
Benton County (541) 768-6697
MS. KIM SCHLESSINGER ANP-BC
Nurse Practitioner (Adult Health)
3600 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 768-6687
DR. PARINAV KANWAR
Student in an Organized Health Care Education/Training Program
3600 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 768-4906
SAMUEL ARNOT DO
Internal Medicine
3600 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 768-5111
DANIELLE MICHELLE NIEMANN DO
Student in an Organized Health Care Education/Training Program
3600 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 768-4906
MOHAN AVULA DO
Internal Medicine
3600 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 768-4906
DR. RANDALL V. BREAM M.D.
Internal Medicine (Cardiovascular Disease)
3600 NW SAMARITAN DR, SUITE E350
CORVALLIS, OR 97330
Benton County (541) 768-5205
DR. DESTINY JENNIFER GMELCH M.D.
Pediatrics
3600 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 768-5111

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 Thomas Marker's NPI number?

The NPI number for Thomas Marker is 1205863420. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Where is Thomas Marker located?

Thomas Marker practices at 3600 NW Samaritan Dr Suite E350, Corvallis, OR 97330. The listed phone number is (541) 768-5205.

What is Thomas Marker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Thomas Marker enrolled in Medicare?

Yes. Thomas Marker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thomas Marker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Marker reassigns Medicare benefits to 5 organizations: Good Samaritan Hospital Corvallis (Corvallis, OR), Mid-Valley Healthcare, Inc. (Corvallis, OR), Albany General Hospital (Albany, OR), Samaritan Pacific Health Services, Inc. (Toledo, OR) and Samaritan North Lincoln Hospital (Lincoln City, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Marker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thomas Marker was last updated on March 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.