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DR. ROBERT BRUCE ELLIS DO
NPI 1972729044
Internal Medicine - Hematology & Oncology in Portland, OR

Active since April 17, 2007PECOS Enrolled
3600 N INTERSTATE AVE, PORTLAND, OR 97227(503) 331-6500 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Robert Bruce Ellis Do NPPES

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

DR. ROBERT BRUCE ELLIS DO (NPI 1972729044) is an individual hematology & oncology provider in Portland, Oregon, licensed in Oregon (DO25644) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972729044
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. ROBERT BRUCE ELLISCredential: DO
Location Address3600 N INTERSTATE AVEPortland, OR 97227-1106
Mailing Address4700 Nw 138th StVancouver, WA 98685-1578
Phone(503) 331-6500
Sole ProprietorNo
Enumeration DateApril 17, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1972729044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in OR · DO25644✔ Licensed in WA · OP00001715
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
3600 N INTERSTATE AVE, Portland, OR 97227
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Bruce Ellis Do 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

2

Medicare enrollment records show Robert Ellis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kaiser Foundation Health Plan Of The Northwest
Same address
Oncology, Radiation
3620 N INTERSTATE AVE
Portland, OR 97227
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Also billed through NPI 1184786527 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1093043424 (503) 280-2931
University Professional Services
3.1 mi
Mental Health (Including Community Mental Health Center)
2525 SW FIRST AVE STE 1215
Portland, OR 97201
  • Reassigned Medicare billing, Oregon enrollment
  • 2,212 clinicians in this Medicare group
NPI 1316354970 (503) 494-4745

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 97227 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
$176.88 typical visit price
range $58.99 – $176.88
Typical copayment $44.22 (range $14.74 – $44.22)
Most-billed visit code 99205
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
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.

DAVID WEI KUO LIN M.D.
Otolaryngology
3600 N INTERSTATE AVE, INTERSTATE MEDICAL OFFICE CENTRAL
PORTLAND, OR 97227
Multnomah County (503) 331-6085
DR. LYNETTE SANTOS MALIK M.D.
Physical Medicine & Rehabilitation (Sports Medicine)
3600 N INTERSTATE AVE, DEPARTMENT OF PHYSICAL MEDICINE
PORTLAND, OR 97227
Multnomah County (503) 331-3070
DR. RYO A. SHOHARA M.D.
Internal Medicine (Hematology & Oncology)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 331-6500
JOHANNA R HEYMANN RN, LCSW
Social Worker (Clinical)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 213-8000
DR. SARI JOUIHAN MS, PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 504-4203
THOMAS HUGH GIBBS O.D.
Optometrist
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 249-3449
DR. CATALINA HERNANDEZ TORRES MD
Internal Medicine (Hematology & Oncology)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (800) 813-2000
ANTONY MATHEW POOTHULLIL MD
Ophthalmology
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 331-6330

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 Robert Ellis's NPI number?

The NPI number for Robert Ellis is 1972729044. It was assigned to this individual provider in the NPPES registry on April 17, 2007.

Where is Robert Ellis located?

Robert Ellis practices at 3600 N Interstate Ave, Portland, OR 97227. The listed phone number is (503) 331-6500.

What is Robert Ellis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Robert Ellis enrolled in Medicare?

Yes. Robert Ellis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Ellis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Ellis reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Northwest (Portland, OR) and University Professional Services (Portland, 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 Robert Ellis'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 Robert Ellis was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.