Zachary Stiles
NPI 1407374747 · Medical Physician Assistant · Spokane, WA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Stiles is a Medical Physician Assistant provider in Spokane, WA (NPI 1407374747).
Provider details
- NPI number
- 1407374747
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA60896690 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
484 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 200 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $114 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 82 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 43 | $119 |
| Hemoglobin A1c Level83036 | 31 | $10 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 157 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 510 | 100 |
| Atorvastatin Calcium | 346 | 97 |
| Lisinopril | 293 | 77 |
| Levothyroxine Sodium | 265 | 63 |
| Omeprazole | 181 | 55 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 178 | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,156 across 59 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- Medex Northwest4311 11th Avenue Ne, Suite 200Seattle, WA 98105Phone: (206) 616-4001
- 220 E Rowan Ave Ste 300Spokane, WA 99207Phone: (509) 489-3554Fax: (509) 232-4387
- 220 E Rowan Ave Ste 300Spokane, WA 99207Phone: (509) 489-3554Fax: (509) 232-4387
Registry dates
- Enumerated
- 2017-09-07
- Last updated
- 2025-05-20
- Certified
- 2025-05-20
Frequently asked questions
- What is Zachary Stiles's NPI number?
- Zachary Stiles's National Provider Identifier (NPI) is 1407374747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Stiles's specialty?
- Zachary Stiles is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zachary Stiles located?
- Zachary Stiles's practice location on file with NPPES is 322 W North River Dr, Spokane, WA 99201-3208.
- What is Zachary Stiles's phone number?
- The practice phone number listed in the NPPES registry for Zachary Stiles is (509) 324-6464.
- Does Zachary Stiles accept Medicare?
- Zachary Stiles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Stiles's NPI active?
- Yes — Zachary Stiles's NPI (1407374747) is active in the NPPES registry as of the last update on 2025-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.