THOMAS HARRY JOHNSON (M.D.) – Radiation Oncology Physician, NPI 1083601835

THOMAS HARRY JOHNSON (M.D.) is a healthcare provider. based in Portland, Oregon. specializing in RADIATION ONCOLOGY. They hold the professional credentials M.D.. They hold a License No. MD13590 (OR). The NPI Number for THOMAS HARRY JOHNSON (M.D.) is 1083601835

Main info

Male
47 Years Of Experience
Accepts Medicare Assignment
Name
THOMAS HARRY JOHNSON (M.D.)
NPI
1083601835
Phone
(503) 280-2931
Address
3620 N INTERSTATE AVE
Enumeration Date
5 October 2005
Last Update Date
11 December 2012

Doctor Profile

Medical School Name
VIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Secondary Phone
8008132000
Graduation Year
1979 (47 years ago)
PAC ID
7719918622
Group Practice PAC ID
5799688230
Professional Enrollment ID
I20070822000010
Address ID
OR972271106PO3620XAVEX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

111 RADIATION ONCOLOGY in OR

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Provider Addresses for THOMAS HARRY JOHNSON (M.D.)

  • 3620, North Interstate Avenue, Overlook, Portland, Multnomah County, Oregon, 97227, United States

    PORTLAND, OR 972271106

    Phone: (503) 280-2931

    Fax: (503) 280-2938

    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: 2007-08-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20070605000559IRadiation OncologyWATBD
I20070822000010IRadiation OncologyORTBD

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

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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 97227)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5799688230View full group profile
NameSpecialtyState
U R O L O G YTX
Emergency MedicineOR
D E R M A T O L O G YAZ
Nurse PractitionerOR
Diagnostic RadiologyOR
D E R M A T O L O G YWA
-OR
-CA
General SurgeryCA
-OR

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Frequently asked questions

How do I look up THOMAS HARRY JOHNSON (M.D.) by NPI?
Use NPI 1083601835 when you need to reference THOMAS HARRY JOHNSON (M.D.) in forms, claims, or directories.
Is THOMAS HARRY JOHNSON (M.D.)'s NPI currently valid?
The extract we use shows THOMAS HARRY JOHNSON (M.D.) as active.
What kind of provider is THOMAS HARRY JOHNSON (M.D.)?
The page reflects Radiation Oncology Physician for THOMAS HARRY JOHNSON (M.D.). Clinical services aligned with this taxonomy classification.
What location metadata exists for THOMAS HARRY JOHNSON (M.D.)?
The page summarizes Portland, Oregon for THOMAS HARRY JOHNSON (M.D.); expand the address list for detail.
Is THOMAS HARRY JOHNSON (M.D.) a real provider?
This page reflects official NPPES data for NPI 1083601835. Always confirm identity and privileges with the practice and licensing boards.

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