Glendon E. Cook, M.D.
Family Medicine Physician · Grants Pass, OR
Glendon E. Cook, M.D. is a family medicine physician with a practice address in Grants Pass, Oregon, and NPI 1952343816, issued on Jun 12, 2006. Check the license (Oregon MD223655, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Glendon E. Cook
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD223655 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1701 NW Hawthorne Ave, Grants Pass, OR 97526
- Phone
- (541) 472-4777
- Enumerated
- Jun 12, 2006
- Record last updated
- Apr 7, 2025
- Fax
- (541) 471-1439
- Medicaid IDs
- 101764792-0001 PA
500850811 OR - Medicare enrollment
- Enrolled (PECOS I20250312003499); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 1701 NW Hawthorne Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Anderson, DNP APRN-NPNurse Practitioner1093110306
- Linford Beachy, BA, MDFamily Medicine Physician1942289277
- Andre Bezerra, FNPNurse Practitioner1093528655
- Jodi Bostwick, PMHNPPsychiatric/Mental Health Nurse Practitioner1649821216
- Tina BrannonCommunity Health Worker1336952324
- Leanne Burton, RPHPharmacist1811281082
Verify Glendon E. Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD223655Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average family medicine physician in 2024
3,169 Medicare Part D claims for 165 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 112 claims were for opioids.
Most prescribed
- Levothyroxine Sodium163 claims
- Lisinopril131 claims
- Atorvastatin Calcium127 claims
- Rosuvastatin Calcium97 claims
- Omeprazole91 claims
- Amlodipine Besylate77 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
- Siskiyou Community Health Center IncGrants Pass, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glendon E. Cook among 2,847 family medicine physician records in Oregon
Glendon E. Cook, M.D. is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2009 among the 1,671 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 family medicine physician records list a practice address in Grants Pass
They are 46 of the 2,127 NPPES records with a practice address in Grants Pass, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Grants Pass → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Abdun-Nur, M.D.Grants Pass, OR 975261396737847
- Linford Beachy, BA, MDGrants Pass, OR 975261942289277
- Stephen Bergman, D.O.Grants Pass, OR 975261669475562
- Steven Foutz, M.D.Grants Pass, OR 975261003809666
- Robert Gentry, M.D.Grants Pass, OR 975261255338471
- Dan Gleffe, M.D.Grants Pass, OR 975261508858051
- Barry Hamann, MDGrants Pass, OR 975261194725069
- Brian Hancock, MDGrants Pass, OR 975261720088693
Common questions
What is Glendon E. Cook, M.D.'s NPI number?
Glendon E. Cook, M.D.'s National Provider Identifier (NPI) is 1952343816, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glendon E. Cook, M.D. located?
The NPPES record lists a practice address at 1701 NW Hawthorne Ave, Grants Pass, OR, 97526. Phone: (541) 472-4777. Providers update this record themselves, so call before visiting.
How can I verify Glendon E. Cook, M.D.'s license?
NPPES lists Oregon license number MD223655, 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 Glendon E. Cook, M.D. prescribe under Medicare Part D?
In 2024, Glendon E. Cook, M.D. had 3,169 Medicare Part D claims for 165 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.