DR. BRET ALAN COOK MD
NPI 1184608994
Internal Medicine - Hematology & Oncology in Coos Bay, OR
About Dr. Bret Alan Cook Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRET ALAN COOK MD (NPI 1184608994) is an individual hematology & oncology provider in Coos Bay, Oregon, licensed in Oregon (MD22262) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Salem Hospital, and is a graduate of Chicago College Of Medicine And Surgery (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 10
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Bret Alan Cook Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Bret Cook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Coos Bay, OR 97420
- Reassigned Medicare billing, Oregon enrollment
- 220 clinicians in this Medicare group
Coos Bay, OR 97420
- Reassigned Medicare billing, Oregon enrollment
- 327 clinicians in this Medicare group
Salem, OR 97301
- Reassigned Medicare billing, Oregon enrollment
- 35 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Salem Hospital
Acute Care Hospitals · Salem, ORWest Valley Hospital
Critical Access Hospitals · Dallas, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97420 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
COOS BAY, OR 97420
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 Bret Cook's NPI number?
The NPI number for Bret Cook is 1184608994. It was assigned to this individual provider in the NPPES registry on December 5, 2005.
Where is Bret Cook located?
Bret Cook practices at 1900 Woodland Dr, Coos Bay, OR 97420. The listed phone number is (541) 267-5151.
What is Bret Cook's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Bret Cook enrolled in Medicare?
Yes. Bret Cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Bret Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bret Cook reassigns Medicare benefits to 3 organizations: North Bend Medical Center Inc (Coos Bay, OR), Bay Area Hospital District (Coos Bay, OR) and Oregon Oncology Specialists, LLP (Salem, 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 Bret Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Bret Cook accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Bret Cook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Bret Cook affiliated with any hospitals?
According to CMS data, Bret Cook is affiliated with Salem Hospital and West Valley Hospital.
When was this NPI record last updated?
The NPPES record for Bret Cook was last updated on May 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Bret Alan Cook, MD · NPI 1184608994
Hematology & Oncology physician in Coos Bay, Oregon. Individual provider, active in the CMS NPPES registry since December 5, 2005.
## Identity
- **NPI:** 1184608994 (Entity type: Individual)
- **Enumerated:** December 5, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** MD22262 (Oregon)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1900 WOODLAND DR, Coos Bay, OR 97420-0000
- **Phone:** (541) 267-5151 · **Fax:** (541) 267-3800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): North Bend Medical Center Inc (NPI 1063428308, Coos Bay, OR); Bay Area Hospital District (NPI 1225016561, Coos Bay, OR); Oregon Oncology Specialists, LLP (NPI 1013953025, Salem, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Chicago College Of Medicine And Surgery, class of 1994
## Record status
- **NPPES last updated:** May 20, 2013
- **Other identifiers:** Other CB3544 (OR); Other P00143366 (OR); Other MD22262 (OR); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1184608994) · Data from the CMS NPPES public registry.