Doctor profile · Federal record
Dr. William Ayetey, M.D.
Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Janesville, WI
- NPI 1780604025
- Accepts Medicare
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 6 locations .
- Primary practice
-
903 Mineral Point Ave
Janesville, WI 535482970
(608) 756-5555 - Additional location
-
1045 W Stephenson St
Freeport, IL 610324864
(815) 741-7652 - Additional location
-
8201 E Riverside Blvd
Rockford, IL 611142300
(815) 971-7000
fax (815) 968-4795 - Additional location
-
875 S Route 31
Crystal Lake, IL 600148190
(779) 220-5500
fax (779) 220-5184 - Additional location
-
901 Grant St
Harvard, IL 600331821
(815) 943-5431
fax (815) 943-0659 - Additional location
-
1000 Mineral Point Ave
Janesville, WI 535482940
(608) 756-6761
fax (608) 756-6572
Show 3 more locations
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 1, 2026
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State licenses (2)
- Wisconsin #33457 · Illinois #036.153566
- Medicaid
- WI #31870900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780604025. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
93
Distinct HCPCS
3
Medicare allowed
$8,196
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99238 |
Hospital discharge day management, 30 minutes or less | 37 | 34 | $75 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 29 | 12 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 24 | $119 |
In context: peer comparison
Among 3 peers in Janesville Psychiatry Physician, average services per provider: 41. This provider delivers 2.3× the peer median.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka America Pharmaceutical, INC. | 1 | $125.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
32
Patients
27
Total drug cost
$466
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxyzine Hcl | Generic | 17 | 14 | $378 |
| Trazodone Hcl | Generic | 15 | 13 | $88 |
Frequently asked questions
What is Dr. William Ayetey's medical specialty?
Dr. William Ayetey practices Psychiatry Physician in Janesville, WI.
Where does Dr. William Ayetey practice?
Dr. William Ayetey practices at 903 Mineral Point Ave, Janesville, WI 535482970. Office phone: 6087565555.
What is Dr. William Ayetey's NPI?
Dr. William Ayetey's National Provider Identifier (NPI) is 1780604025, issued by NPPES.
Does Dr. William Ayetey accept Medicare assignment?
Yes. Dr. William Ayetey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ayetey commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99238); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.