Doctor profile · Federal record
Dr. Zachary Stiles
Medical Physician Assistant (CMS: Physician Assistant) · Spokane, WA
- NPI 1407374747
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
322 W North River Dr
Spokane, WA 992013208
(509) 324-6464
fax (509) 241-2056 - Additional location
-
220 E Rowan Ave Ste 300
Spokane, WA 99207
(509) 489-3554
fax (509) 232-4387 - Additional location
-
Medex Northwest, 4311 11Th Avenue Ne, Suite 200
Seattle, WA 98105
(206) 616-4001 - Mailing address
-
220 E Rowan Ave Ste 300
Spokane, WA 992071203
Credentials & registration
- NPI registered
- September 2017 — 9 yrs on file
- Profile last updated
- May 20, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- Washington #PA60896690
- Medicaid
- WA #2110931
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407374747. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
492
Distinct HCPCS
6
Medicare allowed
$41,794
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 210 | 99 | $78 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 145 | 82 | $110 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 48 | 29 | $54 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 42 | 42 | $112 | |
83036 |
Hemoglobin a1c level | 33 | 21 | $10 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 14 | 14 | $143 |
In context: peer comparison
Among 21 peers in this city , average services per provider: 127. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$1,156
Transactions
54
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, Inc | 8 | $181.34 | |
| PFIZER INC. | 10 | $149.26 | |
| AstraZeneca Pharmaceuticals LP | 6 | $106.55 | |
| ABBVIE INC. | 5 | $105.25 | |
| Corcept Therapeutics | 4 | $97.36 | |
| Otsuka America Pharmaceutical, Inc. | 5 | $92.20 | |
| Novo Nordisk Inc | 4 | $74.72 | |
| Teva Pharmaceuticals USA, Inc. | 2 | $57.24 | |
| Exact Sciences Corporation | 2 | $40.98 | |
| Dexcom, Inc. | 2 | $35.97 | |
| ViiV Healthcare Company | 1 | $33.77 | |
| Astellas Pharma US Inc | 2 | $31.49 | |
| Abbott Laboratories | 1 | $23.45 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $22.99 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $21.63 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,672
Patients
699
Total drug cost
$244,567
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 418 | 85 | $14,895 |
| Atorvastatin Calcium | Generic | 323 | 93 | $3,701 |
| Lisinopril | Generic | 285 | 78 | $2,000 |
| Levothyroxine Sodium | Generic | 282 | 72 | $4,506 |
| Losartan Potassium | Generic | 165 | 44 | $3,252 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 159 | 49 | $4,224 |
| Gabapentin | Generic | 142 | 44 | $2,741 |
| Omeprazole | Generic | 138 | 40 | $2,707 |
| Tamsulosin Hcl | Generic | 126 | 39 | $2,532 |
| Oxycodone Hcl | Generic | 119 | 23 | $2,239 |
Frequently asked questions
What is Dr. Zachary Stiles's medical specialty?
Dr. Zachary Stiles practices Medical Physician Assistant in Spokane, WA.
Where does Dr. Zachary Stiles practice?
Dr. Zachary Stiles practices at 322 W North River Dr, Spokane, WA 992013208. Office phone: 5093246464.
What is Dr. Zachary Stiles's NPI?
Dr. Zachary Stiles's National Provider Identifier (NPI) is 1407374747, issued by NPPES.
Does Dr. Zachary Stiles accept Medicare assignment?
Yes. Dr. Zachary Stiles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Stiles commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.