Doctor profile · Federal record
Dr. Mark Farley
Internal Medicine Physician (CMS: Internal Medicine) · Toppenish, WA
- NPI 1164518353
- Accepts Medicare
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
510 W 1St Ave
Toppenish, WA 989481564
(509) 865-5600
fax (509) 865-5783 - Additional location
-
518 W 1St Ave
Toppenish, WA 989481564
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 17, 2021
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Washington #MD00026408
- Medicaid
- WA #8130510
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164518353. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 1 | $17.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
183
Patients
39
Total drug cost
$5,602
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 39 | 15 | $760 |
| Omeprazole | Generic | 24 | 0 | $387 |
| Lisinopril | Generic | 23 | 13 | $364 |
| Metformin Hcl | Generic | 21 | 11 | $446 |
| Triamcinolone Acetonide | Generic | 14 | 0 | $394 |
| Gabapentin | Generic | 13 | 0 | $292 |
| Losartan Potassium | Generic | 13 | 0 | $256 |
| Metoprolol Succinate | Generic | 13 | 0 | $567 |
| Fluticasone Propionate | Generic | 12 | 0 | $110 |
| Shingrix (Varicella-Zoster Ge/As01b/Pf) | Brand | 11 | 0 | $2,025 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Farley's medical specialty?
Dr. Mark Farley practices Internal Medicine Physician in Toppenish, WA.
Where does Dr. Mark Farley practice?
Dr. Mark Farley practices at 510 W 1St Ave, Toppenish, WA 989481564. Office phone: 5098655600.
What is Dr. Mark Farley's NPI?
Dr. Mark Farley's National Provider Identifier (NPI) is 1164518353, issued by NPPES.
Does Dr. Mark Farley accept Medicare assignment?
Yes. Dr. Mark Farley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.