Zachary D. Stiles
- Medicare patients, 2024
- 128
- Part D claims, 2024
- 7,814
- Industry payments
- $2,242
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 322 W North River Dr, Spokane, WA 99201
- Practice phone
- Call (509) 324-6464
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverfront Medical Center
Spokane, Washington
Find Zachary Stiles' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Zachary D. Stiles is a physician assistant in Spokane, Washington
Zachary Stiles practices at Riverfront Medical Center in Spokane, Washington.
Zachary Stiles' NPI, 1407374747, was assigned on September 7, 2017. Zachary Stiles holds Washington license PA60896690.
- NPI
- 1407374747NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709120504
- NPI enumeration date
- September 7, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (509) 324-6464
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Zachary D. Stiles practices at Riverfront Medical Center in Spokane, Washington
Zachary Stiles' primary practice is Riverfront Medical Center, at 322 W North River Dr, Spokane, WA 99201 in Spokane County. The practice phone is (509) 324-6464.
- Riverfront Medical Center322 W North River Dr, Spokane, WA 99201 · Spokane CountyPhone(509) 324-6464
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Zachary D. Stiles is affiliated with 3 sites of care and 2 medical groups
Zachary Stiles' primary practice is Riverfront Medical Center in Spokane, Washington. The medical group on file is Washington Permanente Medical Group, P.C. Dmand AI also links Zachary Stiles to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Zachary D. Stiles' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Zachary Stiles practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverfront Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Zachary D. Stiles is one of 728 physician assistants in Washington
Medical is Zachary Stiles' primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Zachary Stiles is licensed in Washington.
Specialties and state licenses
- Medical physician assistant, WashingtonPrimary
Physician assistants near Zachary Stiles
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Zachary D. Stiles treated 128 Medicare patients in 2024, average age 73
CMS counts 128 Medicare patients who saw Zachary Stiles in 2024. The largest group is 65 to 74, with 56 patients. 74% of them have high blood pressure, and 58% have high cholesterol. 9% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Zachary Stiles' median patient age at 52, with 51% women.
Zachary Stiles' Medicare patients by age, 2024
Zachary Stiles' Medicare patients by sex, 2024
- Women5845%
- Men7055%
Chronic conditions among Zachary Stiles' Medicare patients, 2024
- High blood pressure74%
- High cholesterol58%
- Arthritis46%
- Diabetes26%
- Chronic kidney disease25%
- Ischemic heart disease20%
- Atrial fibrillation17%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Zachary Stiles' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Zachary D. Stiles wrote 7,814 Medicare Part D claims in 2024
In 2024, Zachary Stiles wrote 7,814 Medicare Part D claims for 515 patients. 87% of them were for generic drugs.
Zachary Stiles' Part D claims by kind of drug, 2024
- Generic6,821 claims87%
- Brand-name961 claims12%
- Other32 claims0%
Drug classes CMS tracks in Zachary Stiles' Part D claims, 2024
- Opioids13%981 of 7,814 claims
- Antibiotics3%217 of 7,814 claims
- Antipsychotics, patients 65 and over0%13 of 7,814 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Zachary D. Stiles offers telehealth to Medicare patients
Zachary Stiles accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Zachary Stiles as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Zachary D. Stiles received $2,242 in industry payments in 2025
CMS Open Payments shows 3 general payments to Zachary Stiles from 2 drug and device companies in 2025. Education make up the largest share, 89% of the total. Intuitive Surgical, Inc. paid the most, $2,214.
General payments to Zachary Stiles by kind, 2025 to 2025
- Education$2,00089%
- Travel and lodging$21410%
- Food and beverage$281%
Companies that paid Zachary Stiles the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Zachary D. Stiles's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Zachary D. Stiles
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Zachary D. Stiles' NPI number?
Zachary D. Stiles' NPI number is 1407374747. It was assigned on September 7, 2017, and it is active in the NPI Registry.
What does Zachary D. Stiles specialize in?
Zachary D. Stiles is a physician assistant in Spokane, Washington. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Zachary D. Stiles practice?
Zachary Stiles practices at 322 W North River Dr, Spokane, WA 99201. Zachary Stiles' primary practice is Riverfront Medical Center in Spokane, Washington. Dmand AI also links Zachary Stiles to 2 group practices and clinics and 1 medical group.
What is Zachary D. Stiles' office phone number?
The practice phone on file for Zachary Stiles is (509) 324-6464.
What is Zachary D. Stiles' medical license number?
Zachary Stiles holds Washington license PA60896690.
What medical group is Zachary D. Stiles part of?
Zachary Stiles is linked to Washington Permanente Medical Group, P.C. Dmand AI links Zachary Stiles to 1 more medical group.
Does Zachary D. Stiles accept Medicare?
Yes. CMS lists Zachary Stiles as accepting Medicare assignment.
Does Zachary D. Stiles offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Zachary Stiles as offering telehealth services.
How many Medicare patients does Zachary D. Stiles see?
CMS counts 128 Medicare patients who saw Zachary Stiles in 2024, with an average age of 73.
Has Zachary D. Stiles received payments from drug or device companies?
CMS Open Payments shows $2,242 in general payments to Zachary Stiles from 2 companies from 2025 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Zachary D. Stiles been practicing?
Zachary Stiles graduated from medical school in 2018, 8 years ago.
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