David W. Janeway, M.D.
Family Medicine Physician · Arlington, WA
David W. Janeway, M.D. is a family medicine physician with a practice address in Arlington, Washington, and NPI 1821177437, issued on Nov 3, 2006. Check the license (Washington MD00039104, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- David W. Janeway
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00039104 WA
Self-reported in NPPES; status is on the state search - Practice location
- 875 Wesley St Ste 250, Arlington, WA 98223
- Phone
- (360) 435-2233
- Enumerated
- Nov 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (360) 435-3966
- Medicaid ID
- 8277014 WA
- Medicare enrollment
- Enrolled (PECOS I20060112000051); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1998
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 875 Wesley St Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Begert, M.D.Family Medicine Physician1538265103
- Lisa Biehl, ARNPNurse Practitioner1376622852
- James Fletcher, M.D.Family Medicine Physician1407935091
- Whitney Keiffer-Sharp, DOFamily Medicine Physician1447991419
- Suhyl Mohebi, PA-CPhysician Assistant1821622887
- Katrina Roys, PAPhysician Assistant1992286181
Verify David W. Janeway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00039104Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average family medicine physician in 2024
10,035 Medicare Part D claims for 624 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 266 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,054 claims
- Losartan Potassium468 claims
- Lisinopril451 claims
- Levothyroxine Sodium337 claims
- Metoprolol Succinate305 claims
- Tamsulosin Hcl267 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.
Industry payments in 2024: $467.24
21 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Western Washington Medical Group Inc PSEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David W. Janeway among 5,534 family medicine physician records in Washington
David W. Janeway, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1998 · median 2009 among the 3,294 with a school on file
- Record last updated2007 · 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family medicine physician records list a practice address in Arlington
They are 17 of the 741 NPPES records with a practice address in Arlington, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Arlington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Anderson, MDArlington, WA 982231316406473
- Ann Begert, M.D.Arlington, WA 982231538265103
- Alden Campbell, MDArlington, WA 982231629569231
- Charles Chaffee, MDArlington, WA 982231063401347
- Jessica Cicoria, DOArlington, WA 982231093205213
- David Dunnington, M.D.Arlington, WA 982231023022258
- James Fletcher, M.D.Arlington, WA 982231407935091
- Larry Jones, MDArlington, WA 982231720290463
Common questions
What is David W. Janeway, M.D.'s NPI number?
David W. Janeway, M.D.'s National Provider Identifier (NPI) is 1821177437, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David W. Janeway, M.D. located?
The NPPES record lists a practice address at 875 Wesley St Ste 250, Arlington, WA, 98223. Phone: (360) 435-2233. Providers update this record themselves, so call before visiting.
How can I verify David W. Janeway, M.D.'s license?
NPPES lists Washington license number MD00039104, 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 W. Janeway, M.D. prescribe under Medicare Part D?
In 2024, David W. Janeway, M.D. had 10,035 Medicare Part D claims for 624 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.