Donald Leon Sinden, D.O.
Family Medicine Physician · Puyallup, WA
Donald Leon Sinden, D.O. is a family medicine physician with a practice address in Puyallup, Washington, and NPI 1316922735, issued on Dec 8, 2005. Check the license (Washington OP00001452, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Donald Leon Sinden
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OP00001452 WA
Self-reported in NPPES; status is on the state search - Practice location
- 11216 Sunrise Blvd E, Puyallup, WA 98374
- Phone
- (253) 848-5951
- Enumerated
- Dec 8, 2005
- Record last updated
- Jan 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (253) 845-7073
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 11216 Sunrise Blvd E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joni Allen, LMPMassage Therapist1972789105
- Darin Blackburn, MDFamily Medicine Physician1629011010
- Tranecia CelestineMassage Therapist1003244088
- Cynthia Desmond, ARNPPhysician Assistant1245220003
- Brittany Evans, LMPMassage Therapist1700192325
- Richard Grant, LMHCMental Health Counselor1437401858
Verify Donald Leon Sinden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP00001452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
136 Medicare Part D claims for 41 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Potassium Chloride12 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.
Donald Leon Sinden among 5,534 family medicine physician records in Washington
Donald Leon Sinden, D.O. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2016 · 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).
103 family medicine physician records list a practice address in Puyallup
They are 103 of the 3,461 NPPES records with a practice address in Puyallup, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Puyallup → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marc Aversa, MDPuyallup, WA 983741447291984
- Darin Blackburn, MDPuyallup, WA 983741629011010
- Mary Cyr, MDPuyallup, WA 983741447382601
- Anne Kirk, MDPuyallup, WA 983741912908427
- Elizabeth Neuhalfen, MDPuyallup, WA 983741437192143
- Ai-Khue Nguyen, M.D.Puyallup, WA 983741104934629
- Edward Pullen, MDPuyallup, WA 983741154484400
- Rose Sessoms, M.D.,M.PH.Puyallup, WA 983741437127743
Common questions
What is Donald Leon Sinden, D.O.'s NPI number?
Donald Leon Sinden, D.O.'s National Provider Identifier (NPI) is 1316922735, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Donald Leon Sinden, D.O. located?
The NPPES record lists a practice address at 11216 Sunrise Blvd E, Puyallup, WA, 98374. Phone: (253) 848-5951. Providers update this record themselves, so call before visiting.
How can I verify Donald Leon Sinden, D.O.'s license?
NPPES lists Washington license number OP00001452, 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 Donald Leon Sinden, D.O. prescribe under Medicare Part D?
In 2024, Donald Leon Sinden, D.O. had 136 Medicare Part D claims for 41 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.