Margaret Cook, MD
Internal Medicine Physician · The Dalles, OR
Margaret Cook, MD is an internal medicine physician with a practice address in The Dalles, Oregon, and NPI 1417124371, issued on May 9, 2008. Check the license (Oregon MD126103, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Cook
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD126103 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1700 E 19TH St, The Dalles, OR 97058
- Phone
- (541) 296-1111
- Enumerated
- May 9, 2008
- Record last updated
- Jan 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150410002345); accepts Medicare assignment
- Medical or professional school
- Northeastern Ohio University College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 1700 E 19TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maricela Bandel-Ramirez, AGACNPAcute Care Nurse Practitioner1205338084
- Miosotis Bartlett, PHARMDPharmacist1588934103
- Gretchen Blair, MDInternal Medicine Physician1750364451
- Tim Bondarenko, PHARM.D.Pharmacist1922551381
- Michelle Burnett, CSFASurgical Assistant1851999866
Verify Margaret Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD126103Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
544 Medicare Part D claims for 174 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Cefdinir52 claims
- Pantoprazole Sodium29 claims
- Prednisone28 claims
- Doxycycline Hyclate19 claims
- Bumetanide18 claims
- Montelukast Sodium18 claims
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
- Hospital Medicine Services OF Tennessee PCOak Ridge, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Cook among 2,116 internal medicine physician records in Oregon
Margaret Cook, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2008 among the 1,232 with a school on file
- Record last updated2014 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in The Dalles
They are 12 of the 766 NPPES records with a practice address in The Dalles, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in The Dalles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maile Anslinger, M.D.The Dalles, OR 970581194774208
- Gretchen Blair, MDThe Dalles, OR 970581750364451
- James Edwards, MDThe Dalles, OR 970581376705897
- Blake Gornowicz, MDThe Dalles, OR 970581548363732
- Lucille Kirchner, MDThe Dalles, OR 970581942377296
- Lawrence Long, MDThe Dalles, OR 970581396735346
- Ana Moreno, M.D.The Dalles, OR 970581568889798
- Jason Morich, M.DThe Dalles, OR 970581043530587
Common questions
What is Margaret Cook, MD's NPI number?
Margaret Cook, MD's National Provider Identifier (NPI) is 1417124371, issued on May 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Cook, MD located?
The NPPES record lists a practice address at 1700 E 19TH St, The Dalles, OR, 97058. Phone: (541) 296-1111. Providers update this record themselves, so call before visiting.
How can I verify Margaret Cook, MD's license?
NPPES lists Oregon license number MD126103, 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 Margaret Cook, MD prescribe under Medicare Part D?
In 2024, Margaret Cook, MD had 544 Medicare Part D claims for 174 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.