Stephen N. Aprill, MD
Internal Medicine Physician · Kirkland, WA
Stephen N. Aprill, MD is an internal medicine physician with a practice address in Kirkland, Washington, and NPI 1598866121, issued on Sep 26, 2006. Check the license (Washington 14060, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stephen N. Aprill
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14060 WA
Self-reported in NPPES; status is on the state search - Practice location
- 12911 120TH Ave NE, Kirkland, WA 98034
- Phone
- (425) 899-4700
- Enumerated
- Sep 26, 2006
- Record last updated
- Nov 16, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (425) 899-4243
- Medicaid ID
- 1027903 WA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
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Verify Stephen N. Aprill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 14060Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
41 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Stephen N. Aprill among 3,079 internal medicine physician records in Washington
Stephen N. Aprill, 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 fileNo · 60% of these records are
- Record last updated2010 · 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).
70 internal medicine physician records list a practice address in Kirkland
They are 70 of the 3,404 NPPES records with a practice address in Kirkland, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Kirkland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Colquhoun, MDKirkland, WA 980341962484865
- Erin Edwards, M.D.Kirkland, WA 980341306837463
- Eric Hansen, MDKirkland, WA 980341447249206
- David Likosky, MDKirkland, WA 980341992787352
- Johnson Loh, MDKirkland, WA 980341114909090
- James Lund, M.D.Kirkland, WA 980341033108709
- Nancy Marshall, MDKirkland, WA 980341548242456
- Victoria Marxen, MDKirkland, WA 980341578545356
Common questions
What is Stephen N. Aprill, MD's NPI number?
Stephen N. Aprill, MD's National Provider Identifier (NPI) is 1598866121, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen N. Aprill, MD located?
The NPPES record lists a practice address at 12911 120TH Ave NE, Kirkland, WA, 98034. Phone: (425) 899-4700. Providers update this record themselves, so call before visiting.
How can I verify Stephen N. Aprill, MD's license?
NPPES lists Washington license number 14060, 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 Stephen N. Aprill, MD prescribe under Medicare Part D?
In 2024, Stephen N. Aprill, MD had 41 Medicare Part D claims; 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.