Zachary D. Stiles
Medical Physician Assistant · Spokane, WA
Zachary D. Stiles is a medical physician assistant with a practice address in Spokane, Washington, and NPI 1407374747, issued on Sep 7, 2017. Check the license (Washington PA60896690, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Zachary D. Stiles
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA60896690 WA
Self-reported in NPPES; status is on the state search - Practice location
- 322 W North River Dr, Spokane, WA 99201
- Phone
- (509) 324-6464
- Enumerated
- Sep 7, 2017
- Record last updated
- May 20, 2025
- Fax
- (509) 241-2056
- Medicaid ID
- 2110931 WA
- Medicare enrollment
- Enrolled (PECOS I20181205002163); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 322 W North River Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Altman, RRH, CDEPharmacist1578551420
- Kirsten Anderson, MDFamily Medicine Physician1639609803
- Walter Balek, MDFamily Medicine Physician1902916943
- Steven Blum, O.D.Optometrist1376680983
- Stacey Boomer, PA-CPhysician Assistant1790835932
- Brenda Bray, PHPharmacist1548483878
Verify Zachary D. Stiles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60896690Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.8 times the Medicare Part D claims of the average medical physician assistant in 2024
7,814 Medicare Part D claims for 515 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 981 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen510 claims
- Atorvastatin Calcium346 claims
- Lisinopril293 claims
- Levothyroxine Sodium265 claims
- Omeprazole181 claims
- Albuterol Sulfate Hfa178 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): 100 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: $1,155.63
59 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonSpokane, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary D. Stiles among 1,068 medical physician assistant records in Washington
Zachary D. Stiles is one of 1,068 medical physician assistant records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2018 · median 2013 among the 581 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Washington
There are 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Spokane → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- William Bomberger, PA-CSpokane, WA 992011639194079
- Robert Dieter, PA-CSpokane, WA 992011194845586
- Tiffany Finesilver, PA-CSpokane, WA 992011588400188
- Courtney FragieSpokane, WA 992011376427625
- Peter Glanville, PA-CSpokane, WA 992011144622036
- Anna Lafountain, CM 61490838Spokane, WA 992011639991698
- Barbara Mallory, PACSpokane, WA 992011285692285
- Kathryn Moore, PA-CSpokane, WA 992011497737092
Common questions
What is Zachary D. Stiles's NPI number?
Zachary D. Stiles's National Provider Identifier (NPI) is 1407374747, issued on Sep 7, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Zachary D. Stiles located?
The NPPES record lists a practice address at 322 W North River Dr, Spokane, WA, 99201. Phone: (509) 324-6464. Providers update this record themselves, so call before visiting.
How can I verify Zachary D. Stiles's license?
NPPES lists Washington license number PA60896690, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Zachary D. Stiles prescribe under Medicare Part D?
In 2024, Zachary D. Stiles had 7,814 Medicare Part D claims for 515 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Zachary D. Stiles's MIPS final score?
The 2023 MIPS final score is 100 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.