Doctor profile · Federal record
Dr. William Johnston, MD
Family Medicine Physician (CMS: Family Practice) · Mosinee, WI
- NPI 1427017789
- Accepts Medicare
- MIPS 82.6 / 100 · 2023
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1881 Highway Xx
Mosinee, WI 54455
(715) 355-4040 - Mailing address
-
3000 Westhill Dr, Suite 303
Wausau, WI 544013795
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Wisconsin #48123
- Medicaid
- WI #34869200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427017789. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,492
Distinct HCPCS
10
Medicare allowed
$78,519
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 826 | 401 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 285 | 234 | $10 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 201 | 140 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 192 | 129 | $86 | |
83036 |
Hemoglobin a1c level | 170 | 109 | $10 | |
85027 |
Complete blood cell count (red cells, white blood cell, platelets), automated test | 133 | 101 | $6 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 133 | 133 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 109 | 87 | $122 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 104 | 69 | $8 | |
81001 |
Manual urinalysis test with examination using microscope, automated | 65 | 54 | $3 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 118. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$225
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ethicon Inc. | 1 | $203.91 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 1 | $21.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,179
Patients
1,142
Total drug cost
$48,141
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 656 | 178 | $6,928 |
| Lisinopril | Generic | 548 | 142 | $3,168 |
| Amlodipine Besylate | Generic | 454 | 123 | $3,060 |
| Omeprazole | Generic | 338 | 86 | $4,381 |
| Metoprolol Succinate | Generic | 320 | 91 | $5,558 |
| Tamsulosin Hcl | Generic | 241 | 62 | $3,560 |
| Rosuvastatin Calcium | Generic | 232 | 67 | $2,620 |
| Levothyroxine Sodium | Generic | 225 | 62 | $3,695 |
| Metformin Hcl | Generic | 219 | 63 | $1,845 |
| Furosemide | Generic | 188 | 55 | $865 |
Hospital affiliations
Frequently asked questions
What is Dr. William Johnston's medical specialty?
Dr. William Johnston practices Family Medicine Physician in Mosinee, WI.
Where does Dr. William Johnston practice?
Dr. William Johnston practices at 1881 Highway Xx, Mosinee, WI 54455. Office phone: 7153554040.
What is Dr. William Johnston's NPI?
Dr. William Johnston's National Provider Identifier (NPI) is 1427017789, issued by NPPES.
Does Dr. William Johnston accept Medicare assignment?
Yes. Dr. William Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Johnston commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048). Source: CMS Medicare Physician & Other Practitioners file.