NPPES file of Aug 9, 2026

Bret Alan Cook, MD

Hematology & Oncology Physician · Coos Bay, OR

Bret Alan Cook, MD is a hematology & oncology physician with a practice address in Coos Bay, Oregon, and NPI 1184608994, issued on Dec 5, 2005. Check the license (Oregon MD22262, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184608994
Name
Bret Alan Cook
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
MD22262 OR
Self-reported in NPPES; status is on the state search
Practice location
1900 Woodland Dr, Coos Bay, OR 97420
Phone
(541) 267-5151
Enumerated
Dec 5, 2005
Record last updated
May 20, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(541) 267-3800
Medicaid ID
288479 OR
Medicare enrollment
Enrolled (PECOS I20100111000177); accepts Medicare assignment
Medical or professional school
Chicago College Of Medicine And Surgery, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1900 Woodland Dr

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

  1. Samir Ale, MDFamily Medicine Physician1447538533
  2. Jennifer AllredAdult Health Nurse Practitioner1124078407
  3. Nancy Altamirano, MDPediatrics Physician1932159159
  4. Allison Arends, NPAdult Health Nurse Practitioner1336780105
  5. Heather Arzie, LMTMassage Therapist1972744886
  6. Joyce Ballard, MDInternal Medicine Physician1174507941

Verify Bret Alan Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD22262
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

15 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Bret Cook15
  2. Specialty average877

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Oregon Oncology Specialists LLPSalem, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Bret Alan Cook among 138 hematology & oncology physician records in Oregon

Bret Alan Cook, MD 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. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1994 · median 2001 among the 97 with a school on file
  • Record last updated2013 · 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.

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

  1. Don Hill, M.D., F.A.C.P.Coos Bay, OR 974201467450841
  2. Barry McKenzie, MDEugene, OR 974051942286216
  3. Glenn Buchanan, MDEugene, OR 974011972589141
  4. James Butrynski, M.D.Eugene, OR 974011427134287
  5. Miho Dougherty, M.D.Eugene, OR 974011184950479
  6. James Fitzgibbons, MDEugene, OR 974011801872171
  7. Luke Fletcher, MDEugene, OR 974011770979098
  8. Daniel Guy, MDEugene, OR 974011366860553

Common questions

What is Bret Alan Cook, MD's NPI number?

Bret Alan Cook, MD's National Provider Identifier (NPI) is 1184608994, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Bret Alan Cook, MD located?

The NPPES record lists a practice address at 1900 Woodland Dr, Coos Bay, OR, 97420. Phone: (541) 267-5151. Providers update this record themselves, so call before visiting.

How can I verify Bret Alan Cook, MD's license?

NPPES lists Oregon license number MD22262, 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.

How much does Bret Alan Cook, MD prescribe under Medicare Part D?

In 2024, Bret Alan Cook, MD had 15 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.