Joseph Douwe Rienstra, MD
General Practice Physician · Port Townsend, WA
Joseph Douwe Rienstra, MD is a general practice physician with a practice address in Port Townsend, Washington, and NPI 1104264720, issued on Jun 5, 2013. Check the license (Washington MD00012287, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Joseph Douwe Rienstra
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- MD00012287 WA
Self-reported in NPPES; status is on the state search - Practice location
- 708 Kearney St., Port Townsend, WA 98368
- Phone
- (360) 385-5658
- Enumerated
- Jun 5, 2013
- Record last updated
- Jun 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (360) 385-5142
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 388 in Washington → Look up another NPI →
Verify Joseph Douwe Rienstra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00012287Check 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 general practice physician in 2024
21 Medicare Part D claims, against an average of 3,030 among the 8,395 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.
Joseph Douwe Rienstra among 388 general practice physician records in Washington
Joseph Douwe Rienstra, MD is one of 388 general practice physician records with a practice address in Washington. 28% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 44% of them.
- NPI issued2013 · 44% of these records are older, 54% newer
- In a Medicare fileYes · 28% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2013 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Washington
There are 388 general practice physician records in Washington.
All 388 in Washington → Every provider in Port Townsend → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Marion Bartl, MDPort Townsend, WA 983681609896992
- Jonathan Collin, MDPort Townsend, WA 983681447318720
- Gerard Lasalle, MDPort Orchard, WA 983661376587899
- Jack Tacker, M.D.Poulsbo, WA 983701336379403
- Ruth UrandPoulsbo, WA 983701902017510
- Joanne Wright, LMPPort Orchard, WA 983661063541555
- Sandra Frister, M.D.Puyallup, WA 983721437125259
- Timothy Jolley, M.D.Puyallup, WA 983721407907504
Common questions
What is Joseph Douwe Rienstra, MD's NPI number?
Joseph Douwe Rienstra, MD's National Provider Identifier (NPI) is 1104264720, issued on Jun 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Douwe Rienstra, MD located?
The NPPES record lists a practice address at 708 Kearney St., Port Townsend, WA, 98368. Phone: (360) 385-5658. Providers update this record themselves, so call before visiting.
How can I verify Joseph Douwe Rienstra, MD's license?
NPPES lists Washington license number MD00012287, 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 Joseph Douwe Rienstra, MD prescribe under Medicare Part D?
In 2024, Joseph Douwe Rienstra, MD had 21 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.