Zachary Paul Joos, M.D.
Ophthalmology Physician · Kirkland, WA
Zachary Paul Joos, M.D. is an ophthalmology physician with a practice address in Kirkland, Washington, and NPI 1588954119, issued on Apr 16, 2011. Check the license (Washington MD60599404, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Zachary Paul Joos
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- MD60599404 WA
8437396-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 16 Central Way, Kirkland, WA 98033
- Phone
- (425) 655-1200
- Enumerated
- Apr 16, 2011
- Record last updated
- Sep 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170613002039); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2011
- Entity
- Type 1 · individual
Verify Zachary Paul Joos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60599404Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average ophthalmology physician in 2024
767 Medicare Part D claims for 315 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 182 claims were for opioids.
Most prescribed
- Erythromycin305 claims
- Acetaminophen-Codeine170 claims
- Neomycin-Polymyxin-Dexameth123 claims
- Triazolam27 claims
- Prednisolone Acetate26 claims
- Diazepam22 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.
The MIPS final score for 2023 (Medicare payment program): 82.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $339.96
19 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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.
Ophthalmology Physician providers in Washington
There are 522 ophthalmology physician records in Washington.
Other ophthalmology physician records in Washington
- Grant Aaker, MDLacey, WA1770872988
- Deepa Abraham, MDSeattle, WA1447250568
- Jeffery Adkins, MDCoupeville, WA1255309696
- Nathan AgiSeattle, WA1518429380
- Darryl Ainbinder, M.D.Tacoma, WA1851365316
- Robert Alan, MDBellingham, WA1780654335
- Rory Allar, M.D.Spokane, WA1326272691
- Joseph Alsberge, M.D.Vancouver, WA1740623792
- Arash Amadi, M.D.Seattle, WA1225112063
- Dallin Andersen, MDSpokane, WA1225492333
Common questions
What is Zachary Paul Joos, M.D.'s NPI number?
Zachary Paul Joos, M.D.'s National Provider Identifier (NPI) is 1588954119, issued on Apr 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Paul Joos, M.D. located?
The NPPES record lists a practice address at 16 Central Way, Kirkland, WA, 98033. Phone: (425) 655-1200. Providers update this record themselves, so call before visiting.
How can I verify Zachary Paul Joos, M.D.'s license?
NPPES lists Washington license number MD60599404, 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 Zachary Paul Joos, M.D. prescribe under Medicare Part D?
In 2024, Zachary Paul Joos, M.D. had 767 Medicare Part D claims for 315 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Zachary Paul Joos, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.