Doctor profile · Federal record
Dr. William Cooper, MD
Internal Medicine Physician (CMS: Internal Medicine) · Oconomowoc, WI
- NPI 1023078037
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1185 Corporate Center Dr Ste 175, Prohealth Care Medical Associates INC.
Oconomowoc, WI 530664889
(262) 928-8400
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- April 16, 2012
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Wisconsin #49183
- Medicaid
- MN #328213900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023078037. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,143
Distinct HCPCS
10
Medicare allowed
$168,583
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 509 | 255 | $120 | |
93793 |
Anticoagulant management of patient taking warfarin | 414 | 135 | $11 | |
85610 |
Blood test, clotting time | 304 | 56 | $4 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 195 | 195 | $121 | |
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 123 | 39 | $120 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 115 | 100 | $172 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 94 | 47 | $101 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 56 | 53 | $85 | |
G0008 |
Administration of influenza virus vaccine | 56 | 55 | $29 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 53 | 52 | $76 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 152. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
5,945
Patients
1,292
Total drug cost
$275,524
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 896 | 209 | $11,128 |
| Losartan Potassium | Generic | 720 | 151 | $11,518 |
| Levothyroxine Sodium | Generic | 515 | 100 | $7,568 |
| Amlodipine Besylate | Generic | 467 | 124 | $3,564 |
| Pantoprazole Sodium | Generic | 350 | 78 | $6,087 |
| Furosemide | Generic | 348 | 71 | $2,740 |
| Eliquis (Apixaban) | Brand | 342 | 53 | $196,219 |
| Lisinopril | Generic | 339 | 74 | $2,842 |
| Gabapentin | Generic | 327 | 64 | $4,764 |
| Metoprolol Succinate | Generic | 298 | 70 | $5,670 |
Hospital affiliations
Frequently asked questions
What is Dr. William Cooper's medical specialty?
Dr. William Cooper practices Internal Medicine Physician in Oconomowoc, WI.
Where does Dr. William Cooper practice?
Dr. William Cooper practices at 1185 Corporate Center Dr Ste 175, Oconomowoc, WI 530664889. Office phone: 2629288400.
What is Dr. William Cooper's NPI?
Dr. William Cooper's National Provider Identifier (NPI) is 1023078037, issued by NPPES.
Does Dr. William Cooper accept Medicare assignment?
Yes. Dr. William Cooper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Cooper commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Anticoagulant management of patient taking warfarin (HCPCS 93793); Blood test, clotting time (HCPCS 85610). Source: CMS Medicare Physician & Other Practitioners file.