Joseph C. Denor, MD
Internal Medicine Physician · Seattle, WA
Joseph C. Denor, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1679548531, issued on Feb 22, 2006. Check the license (Washington MD.MD.60542290, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Joseph C. Denor
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD.MD.60542290 WA
Self-reported in NPPES; status is on the state search - Practice location
- 747 Broadway, Seattle, WA 98122
- Phone
- (206) 215-2520
- Enumerated
- Feb 22, 2006
- Record last updated
- Jan 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (206) 215-6364
- Medicare enrollment
- Enrolled (PECOS I20150616000000); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 747 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph C. Denor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD.MD.60542290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.2 times the Medicare Part D claims of the average internal medicine physician in 2024
19,543 Medicare Part D claims for 828 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 383 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,243 claims
- Eliquis971 claims
- Gabapentin718 claims
- Levothyroxine Sodium637 claims
- Amlodipine Besylate553 claims
- Tamsulosin Hcl505 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 2 group practices
- Pacific Medical Specialty GroupTacoma, WA
- Platinum Peaks Healthcare PCTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph C. Denor among 3,079 internal medicine physician records in Washington
Joseph C. Denor, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 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 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2002 · median 2006 among the 1,852 with a school on file
- Record last updated2016 · 63% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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Common questions
What is Joseph C. Denor, MD's NPI number?
Joseph C. Denor, MD's National Provider Identifier (NPI) is 1679548531, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph C. Denor, MD located?
The NPPES record lists a practice address at 747 Broadway, Seattle, WA, 98122. Phone: (206) 215-2520. Providers update this record themselves, so call before visiting.
How can I verify Joseph C. Denor, MD's license?
NPPES lists Washington license number MD.MD.60542290, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph C. Denor, MD prescribe under Medicare Part D?
In 2024, Joseph C. Denor, MD had 19,543 Medicare Part D claims for 828 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.