David M. Kauff, M.D.
Internal Medicine Physician · Seattle, WA
David M. Kauff, M.D. is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1285785964, issued on Jan 16, 2007. Check the license (Washington MD00029971, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- David M. Kauff
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00029971 WA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Westlake Ave N Ste 100, Seattle, WA 98109
- Phone
- (206) 448-5600
- Enumerated
- Jan 16, 2007
- Record last updated
- Apr 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 8448854 WA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 320 Westlake Ave N Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenda Bruns, M.D.Emergency Medicine Physician1649479270
Verify David M. Kauff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00029971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
88 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
David M. Kauff among 3,079 internal medicine physician records in Washington
David M. Kauff, M.D. 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 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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- Hannah Hill, MDSeattle, WA 981091720642671
- Muhammad Idrees, MDSeattle, WA 981091720430127
- Arielle Kloss, MDSeattle, WA 981091427555416
- Carl Mason, M.D.Seattle, WA 981091184787525
- John Morrison, MDSeattle, WA 981091780789594
- Dylan O'Shea, M.D.Seattle, WA 981091639604044
Common questions
What is David M. Kauff, M.D.'s NPI number?
David M. Kauff, M.D.'s National Provider Identifier (NPI) is 1285785964, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David M. Kauff, M.D. located?
The NPPES record lists a practice address at 320 Westlake Ave N Ste 100, Seattle, WA, 98109. Phone: (206) 448-5600. Providers update this record themselves, so call before visiting.
How can I verify David M. Kauff, M.D.'s license?
NPPES lists Washington license number MD00029971, 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 David M. Kauff, M.D. prescribe under Medicare Part D?
In 2024, David M. Kauff, M.D. had 88 Medicare Part D claims for 55 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.