William Frederick Ehni, M.D.
Infectious Disease Physician · Edmonds, WA
William Frederick Ehni, M.D. is an infectious disease physician with a practice address in Edmonds, Washington, and NPI 1679502264, issued on Jul 3, 2006. Check the license (Washington AE2700385, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- William Frederick Ehni
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- AE2700385 WA
Self-reported in NPPES; status is on the state search - Practice location
- 21701 76TH Ave W, Edmonds, WA 98026
- Phone
- (425) 744-1740
- Enumerated
- Jul 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 1028216 WA
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 263 in Washington → Look up another NPI →
Also registered at 21701 76TH Ave W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Frederick Ehni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license AE2700385Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average infectious disease physician in 2024
986 Medicare Part D claims for 149 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Cephalexin97 claims
- Doxycycline Monohydrate69 claims
- Amoxicillin-Clavulanate Potass58 claims
- Amoxicillin54 claims
- Odefsey42 claims
- Sulfamethoxazole-Trimethoprim39 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
William Frederick Ehni among 263 infectious disease physician records in Washington
William Frederick Ehni, M.D. is one of 263 infectious disease physician records with a practice address in Washington. 77% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2007 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Washington
There are 263 infectious disease physician records in Washington.
All 263 in Washington → Every provider in Edmonds → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Beverly Leite, MDEdmonds, WA 980261740297258
- Sarah McGuffin, MDEdmonds, WA 980261902223282
- Andrew Sou, DOKent, WA 980301770955361
- Ruchi Sharma, M.D.Bothell, WA 980211194907360
- Barbara Kirby, MDWoodway, WA 980201982146072
- Kim Snyder, M.D.Woodway, WA 980201467114876
- Jordan Braunfeld, MDKirkland, WA 980341891291571
- Alice Lee, MDKirkland, WA 980341346701364
Common questions
What is William Frederick Ehni, M.D.'s NPI number?
William Frederick Ehni, M.D.'s National Provider Identifier (NPI) is 1679502264, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Frederick Ehni, M.D. located?
The NPPES record lists a practice address at 21701 76TH Ave W, Edmonds, WA, 98026. Phone: (425) 744-1740. Providers update this record themselves, so call before visiting.
How can I verify William Frederick Ehni, M.D.'s license?
NPPES lists Washington license number AE2700385, 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 William Frederick Ehni, M.D. prescribe under Medicare Part D?
In 2024, William Frederick Ehni, M.D. had 986 Medicare Part D claims for 149 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is William Frederick Ehni, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.