NPPES file of Aug 9, 2026

Jason Mann, MD,MPH

Hematology & Oncology Physician · Portland, OR

Jason Mann, MD,MPH is a hematology & oncology physician with a practice address in Portland, Oregon, and NPI 1194837419, issued on Aug 31, 2006. Check the license (Oregon OR MD22391, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194837419
Name
Jason Mann
Credential
MD,MPH
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
OR MD22391 OR
WA MD00038491 WA
Self-reported in NPPES; status is on the state search
Practice location
3600 N Interstate Ave, Portland, OR 97227
Phone
(503) 285-9321
Enumerated
Aug 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest hematology & oncology physician records → All 138 in Oregon → Look up another NPI →

Also registered at 3600 N Interstate Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nancy Alexander, AU.DAudiologist1912949694
  2. Rulla AlsaediPharmacist1942907266
  3. Jennifer AndersonOncology Registered Nurse1942139019
  4. Shareen BakerOptician1851488373
  5. Christine Barnett, M.D.Hematology & Oncology Physician1679772743
  6. Lane Barton, MDPhysical Medicine & Rehabilitation Physician1114036746

Verify Jason Mann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license OR MD22391    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Jason Mann among 138 hematology & oncology physician records in Oregon

Jason Mann, MD,MPH is one of 138 hematology & oncology physician records with a practice address in Oregon. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 18% of them.

  • NPI issued2006 · 18% of these records are older, 46% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Oregon

There are 138 hematology & oncology physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 138 in Oregon → Every provider in Portland → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Christine Barnett, M.D.Portland, OR 972271679772743
  2. Punprapai BoriboonsomsinPortland, OR 972271114176856
  3. Daniel Da Graca, M.D.Portland, OR 972271659534527
  4. Robert Ellis, DOPortland, OR 972271972729044
  5. Tony Ho, MDPortland, OR 972271417949124
  6. Jody Kujovich, MDPortland, OR 972271972562809
  7. Abdul Hai Mansoor, MDPortland, OR 972271790934149
  8. Sandeep Mashru, MDPortland, OR 972271629053855

Common questions

What is Jason Mann, MD,MPH's NPI number?

Jason Mann, MD,MPH's National Provider Identifier (NPI) is 1194837419, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Mann, MD,MPH located?

The NPPES record lists a practice address at 3600 N Interstate Ave, Portland, OR, 97227. Phone: (503) 285-9321. Providers update this record themselves, so call before visiting.

How can I verify Jason Mann, MD,MPH's license?

NPPES lists Oregon license number OR MD22391, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.