Doctor profile · Federal record
Dr. William Timm, MD
Infectious Disease Physician (CMS: Infectious Disease) · Brookfield, WI
- NPI 1902856016
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
150 S Sunny Slope RD Ste 136
Brookfield, WI 530054858
(262) 786-4550
fax (262) 786-4552 - Additional location
-
1818 N Meade St
Appleton, WI 549113454
(920) 831-1841
fax (920) 831-1834 - Mailing address
-
150 S Sunny Slope RD, Suite 136
Brookfield, WI 530056461
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 16, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- Wisconsin #33843-020
- Medicaid
- WI #31980100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902856016. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
145,640
Distinct HCPCS
10
Medicare allowed
$370,472
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0878 |
Injection, daptomycin, 1 mg | 126,500 | 12 | $0 | |
J0875 |
Injection, dalbavancin, 5 mg | 18,000 | 39 | $15 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 326 | 50 | $60 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 214 | 123 | $111 | |
96374 |
Injection of drug or substance into vein | 155 | 12 | $35 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 109 | 108 | $161 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 84 | 61 | $74 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 72 | 68 | $122 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 59 | 22 | $62 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 21 | $91 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 6,142. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$54
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 1 | $22.71 | |
| ABBVIE INC. | 1 | $18.40 | |
| Shionogi Inc | 1 | $13.20 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
694
Patients
184
Total drug cost
$293,521
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 119 | 27 | $3,923 |
| Daptomycin | Generic | 79 | 19 | $54,124 |
| Cefuroxime (Cefuroxime Axetil) | Brand | 70 | 35 | $3,516 |
| Doxycycline Hyclate | Generic | 60 | 24 | $1,773 |
| Ertapenem (Ertapenem Sodium) | Brand | 58 | 20 | $37,688 |
| Amoxicillin | Generic | 51 | 17 | $207 |
| Cephalexin | Generic | 51 | 19 | $1,122 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 45 | 0 | $182,017 |
| Cefazolin Sodium | Generic | 34 | 0 | $1,840 |
| Vancomycin Hcl | Generic | 32 | 0 | $3,795 |
Hospital affiliations
Frequently asked questions
What is Dr. William Timm's medical specialty?
Dr. William Timm practices Infectious Disease Physician in Brookfield, WI.
Where does Dr. William Timm practice?
Dr. William Timm practices at 150 S Sunny Slope RD Ste 136, Brookfield, WI 530054858. Office phone: 2627864550.
What is Dr. William Timm's NPI?
Dr. William Timm's National Provider Identifier (NPI) is 1902856016, issued by NPPES.
Does Dr. William Timm accept Medicare assignment?
Yes. Dr. William Timm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Timm commonly perform?
Top Medicare-reported procedures in 2023: Injection, daptomycin, 1 mg (HCPCS J0878); Injection, dalbavancin, 5 mg (HCPCS J0875); Infusion into a vein for therapy, prevention, or diagnosis (HCPCS 96365). Source: CMS Medicare Physician & Other Practitioners file.