Ryan S. Maziarz
Family Medicine Physician · Marysville, WA
Ryan S. Maziarz is a family medicine physician with a practice address in Marysville, Washington, and NPI 1861133837, issued on Apr 5, 2022. Check the license (Washington MD70036443, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Ryan S. Maziarz
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD70036443 WA
4351049249 MI
Self-reported in NPPES; status is on the state search - Practice location
- 11603 State Ave Ste G, Marysville, WA 98271
- Phone
- (360) 658-6800
- Enumerated
- Apr 5, 2022
- Record last updated
- Jun 2, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 11603 State Ave Ste G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Andreoni, MDInternal Medicine Physician1487754677
- Grace MathiesonClinical Social Worker1457946196
- Sima Mistry, M.D.Pediatrics Physician1760625552
- Nhat Pham, DOFamily Medicine Physician1972098606
Verify Ryan S. Maziarz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD70036443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average family medicine physician in 2024
955 Medicare Part D claims for 162 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. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium61 claims
- Amlodipine Besylate43 claims
- Lisinopril40 claims
- Trazodone Hcl33 claims
- Gabapentin31 claims
- Bupropion Xl26 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.
Ryan S. Maziarz among 5,534 family medicine physician records in Washington
Ryan S. Maziarz 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 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).
42 family medicine physician records list a practice address in Marysville
They are 42 of the 874 NPPES records with a practice address in Marysville, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Marysville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christopher Bolander, D.O.Marysville, WA 982711063808236
- Catherine Curran, MDTulalip, WA 982711912929498
- Andrea Drown, DOMarysville, WA 982711225297385
- Jennifer Engstrom, MDMarysville, WA 982711063675346
- Corey GardnerMarysville, WA 982711235512450
- James Grierson, MDMarysville, WA 982711679560189
- Sean McElhaney, M.D.Marysville, WA 982711508906314
- Dat Nguyen, MDTulalip, WA 982711932121381
Common questions
What is Ryan S. Maziarz's NPI number?
Ryan S. Maziarz's National Provider Identifier (NPI) is 1861133837, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ryan S. Maziarz located?
The NPPES record lists a practice address at 11603 State Ave Ste G, Marysville, WA, 98271. Phone: (360) 658-6800. Providers update this record themselves, so call before visiting.
How can I verify Ryan S. Maziarz's license?
NPPES lists Washington license number MD70036443, 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 Ryan S. Maziarz prescribe under Medicare Part D?
In 2024, Ryan S. Maziarz had 955 Medicare Part D claims for 162 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.