Doctor profile · Federal record
Dr. William McKay, DO
Family Medicine Physician (CMS: Family Practice) · Mount Vernon, MO
- NPI 1265417331
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
108 S Hickory St
Mount Vernon, MO 657121407
(417) 466-4110
fax (417) 466-4255
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- August 19, 2022
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Missouri #R5G53
- Medicaid (2)
- MO #242356210 · MO #1265417331
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265417331. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$163
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 3 | $87.99 | |
| Otsuka America Pharmaceutical, INC. | 2 | $41.22 | |
| Janssen Pharmaceuticals, INC | 1 | $18.90 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $15.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,708
Patients
454
Total drug cost
$42,265
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 351 | 65 | $3,474 |
| Levothyroxine Sodium | Generic | 278 | 37 | $3,427 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 249 | 33 | $6,070 |
| Gabapentin | Generic | 230 | 43 | $4,134 |
| Lisinopril | Generic | 223 | 49 | $1,603 |
| Omeprazole | Generic | 202 | 35 | $2,366 |
| Amlodipine Besylate | Generic | 191 | 32 | $1,398 |
| Pantoprazole Sodium | Generic | 146 | 19 | $1,639 |
| Trazodone Hcl | Generic | 143 | 18 | $1,268 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 138 | 16 | $6,917 |
Frequently asked questions
What is Dr. William McKay's medical specialty?
Dr. William McKay practices Family Medicine Physician in Mount Vernon, MO.
Where does Dr. William McKay practice?
Dr. William McKay practices at 108 S Hickory St, Mount Vernon, MO 657121407. Office phone: 4174664110.
What is Dr. William McKay's NPI?
Dr. William McKay's National Provider Identifier (NPI) is 1265417331, issued by NPPES.
Does Dr. William McKay accept Medicare assignment?
Yes. Dr. William McKay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.