David B. Cowan, MD
Family Medicine Physician · Bainbridge Island, WA
David B. Cowan, MD is a family medicine physician with a practice address in Bainbridge Island, Washington, and NPI 1487763405, issued on Aug 30, 2006. Check the license (Washington MD00027659, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- David B. Cowan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00027659 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1344 Wintergreen LN NE, Bainbridge Island, WA 98110
- Phone
- (206) 842-5632
- Enumerated
- Aug 30, 2006
- Record last updated
- Jun 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (206) 842-5992
- Medicaid ID
- 8137093 WA
- Medicare enrollment
- Enrolled (PECOS I20100318000897); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1344 Wintergreen LN NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Brumwell, M.D.Dermatology Physician1922086388
- Ashley Calahan, PACMedical Physician Assistant1184057267
- Alexis Carlson, APRNFamily Nurse Practitioner1003658543
- Trisia Dumpit, APRNNurse Practitioner1821556176
- Emily Durban, DPTPhysical Therapist1235442138
- Kristin Geddes, ARNPNurse Practitioner1235612433
Verify David B. Cowan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00027659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average family medicine physician in 2024
4,363 Medicare Part D claims for 472 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 120 claims were for opioids.
Most prescribed
- Atorvastatin Calcium424 claims
- Losartan Potassium290 claims
- Amlodipine Besylate280 claims
- Tamsulosin Hcl197 claims
- Levothyroxine Sodium162 claims
- Simvastatin135 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.
3 hospitals and group practices
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospitals5 of 5 stars
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
21 family medicine physician records list a practice address in Bainbridge Island
They are 21 of the 482 NPPES records with a practice address in Bainbridge Island, and 5,534 family medicine physician records in Washington.
All 21 in Bainbridge Island → All 5,534 in Washington → Every provider in Bainbridge Island →
Other family medicine physician records in Washington
- Shawn Aaron, MDLongview, WA1578560710
- John Abano, M.D.Shoreline, WA1891929857
- Sarah Abbot, DOKirkland, WA1033555180
- Arthur Abbott, M.D.Seattle, WA1255488847
- Dale Abbott, MDBurlington, WA1760453534
- Michael Abbott, MDEast Wenatchee, WA1336179928
- Richard Abbott, M.D.Mount Vernon, WA1689835803
- Charlee Abboud, DOTacoma, WA1174152169
- Suad AbdelazizSeattle, WA1306423421
- Joonis Abdulkhader, M.D.Seattle, WA1518154335
Common questions
What is David B. Cowan, MD's NPI number?
David B. Cowan, MD's National Provider Identifier (NPI) is 1487763405, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David B. Cowan, MD located?
The NPPES record lists a practice address at 1344 Wintergreen LN NE, Bainbridge Island, WA, 98110. Phone: (206) 842-5632. Providers update this record themselves, so call before visiting.
How can I verify David B. Cowan, MD's license?
NPPES lists Washington license number MD00027659, 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 B. Cowan, MD prescribe under Medicare Part D?
In 2024, David B. Cowan, MD had 4,363 Medicare Part D claims for 472 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.