DR. THOMAS L. MARKER (M.D.) – Cardiovascular Disease Physician, NPI 1205863420

DR. THOMAS L. MARKER (M.D.) is a healthcare provider. based in Corvallis, Oregon. specializing in Cardiovascular Disease Physician. They hold the professional credentials M.D.. They hold a License No. MD15524 (OR). The NPI Number for DR. THOMAS L. MARKER (M.D.) is 1205863420

Main info

Male
Name
DR. THOMAS L. MARKER (M.D.)
NPI
1205863420
Phone
(541) 768-5205
Address
3600 NW SAMARITAN DR
Enumeration Date
26 June 2006
Last Update Date
15 March 2013
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. THOMAS L. MARKER (M.D.)

  • Good Samaritan Regional Medical Center, 3600, Northwest Samaritan Drive, Corvallis, Benton County, Oregon, 97330, United States

    SUITE E350

    CORVALLIS, OR 973303737

    Phone: (541) 768-5205

    Fax: (541) 768-5206

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2003-12-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20031216000773ICardiovascular Disease (Cardiology)ORTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 97330)

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Provider's Procedures

DR. THOMAS L. MARKER (M.D.) performs procedures in Cardiovascular Disease Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CARDIOVASCULAR DISEASE (CARDIOLOGY)OR93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report131106

Reviews

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Frequently asked questions

Can I verify DR. THOMAS L. MARKER (M.D.) with an NPI only?
You can start verification with NPI 1205863420 for DR. THOMAS L. MARKER (M.D.), then check state licensing separately.
Does the file indicate DR. THOMAS L. MARKER (M.D.) is practicing under active NPI?
Directory data currently reports DR. THOMAS L. MARKER (M.D.) as active.
What is DR. THOMAS L. MARKER (M.D.) best known for clinically?
Directory data describes DR. THOMAS L. MARKER (M.D.) with Cardiovascular Disease Physician. Clinical services aligned with this taxonomy classification.
What address line appears for DR. THOMAS L. MARKER (M.D.)?
DR. THOMAS L. MARKER (M.D.)'s geographic hint is Corvallis, Oregon in our summary view.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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