Robert Bruce Ellis, DO
Hematology & Oncology Physician · Portland, OR
Robert Bruce Ellis, DO is a hematology & oncology physician with a practice address in Portland, Oregon, and NPI 1972729044, issued on Apr 17, 2007. Check the license (Oregon DO25644, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Bruce Ellis
- Credential
- DO
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- DO25644 OR
OP00001715 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3600 N Interstate Ave, Portland, OR 97227
- Phone
- (503) 331-6500
- Enumerated
- Apr 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
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.
- Nancy Alexander, AU.DAudiologist1912949694
- Rulla AlsaediPharmacist1942907266
- Jennifer AndersonOncology Registered Nurse1942139019
- Shareen BakerOptician1851488373
- Christine Barnett, M.D.Hematology & Oncology Physician1679772743
- Lane Barton, MDPhysical Medicine & Rehabilitation Physician1114036746
Verify Robert Bruce Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO25644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Bruce Ellis among 138 hematology & oncology physician records in Oregon
Robert Bruce Ellis, DO 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 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 36% 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
- Christine Barnett, M.D.Portland, OR 972271679772743
- Punprapai BoriboonsomsinPortland, OR 972271114176856
- Daniel Da Graca, M.D.Portland, OR 972271659534527
- Tony Ho, MDPortland, OR 972271417949124
- Jody Kujovich, MDPortland, OR 972271972562809
- Jason Mann, MD,MPHPortland, OR 972271194837419
- Abdul Hai Mansoor, MDPortland, OR 972271790934149
- Sandeep Mashru, MDPortland, OR 972271629053855
Common questions
What is Robert Bruce Ellis, DO's NPI number?
Robert Bruce Ellis, DO's National Provider Identifier (NPI) is 1972729044, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Bruce Ellis, DO located?
The NPPES record lists a practice address at 3600 N Interstate Ave, Portland, OR, 97227. Phone: (503) 331-6500. Providers update this record themselves, so call before visiting.
How can I verify Robert Bruce Ellis, DO's license?
NPPES lists Oregon license number DO25644, 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.
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.