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Edit this profileWhere to find William D. Timm, MD
- Brookfield location main office
150 S Sunny Slope Rd Ste 136, Brookfield, WI 53005 - Appleton location
1818 N Meade St, Appleton, WI 54911
About Dr. Timm
William D. Timm, MD practices infectious disease in Brookfield, WI. William is a 1991 graduate of Medical College of Wisconsin. According to Medicare claims data, William cared for 354 Medicare patients across 6,886 services. The services billed most often include injection, dalbavancin, 5 mg, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less. The provider's National Provider Identifier (NPI) is 1902856016.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (262) 786-4550
- Email not available
Practice Locations
150 S SUNNY SLOPE RD STE 136
Brookfield, WI 53005
1818 N Meade St
Appleton, WI 54911
Conditions Commonly Evaluated or Treated
Within Infectious Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Post-infection conditions
Most searched conditions
- Hepatitis C
- HIV
- Long COVID
- Lyme disease
- Recurrent MRSA
- Travel medicine
Bacterial infections
- C. diff Infection
- Cat Scratch Fever
- Drug-Resistant Bacterial Infection
- Flesh-Eating Infection
- NTM lung infection
- Recurrent bacterial vaginosis
- Tick-Borne Infection
- Tuberculosis
Bones & joints
Cardiovascular
- Central Line Infection
- Infective endocarditis
- Pacemaker Infection
Digestive infections
- Salmonella food poisoning
Fungal infections
- Aspergillosis mold infection
- Chronic Yeast Infection
- Cryptococcal fungal infection
- Fungal lung infection
- Fungal sinus infection
- Valley fever
General symptoms
- Frequent Infections
- High fever
- Sepsis Recovery
Neurological infections
Parasitic infections
- Malaria
- Parasite Infection
- Toxoplasmosis
Respiratory infections
Sexually transmitted infections
- Chlamydia
- Genital herpes
- Gonorrhea
- Syphilis
Skin & soft tissue
- Cellulitis
- Diabetic Foot Infection
- Dog or Animal Bite Infection
- Non-Healing Wound Infection
- Post-surgery fever or infection
- Skin and soft-tissue abscess
Travel-related infections
- Dengue fever
- Typhoid fever
- Zika virus
Urinary tract
- Recurrent urinary tract infections
Viral infections
- Chronic Epstein-Barr virus reactivation
- Cytomegalovirus
- Hepatitis B
- Mononucleosis
- Mpox
- Shingles
- West Nile virus
Procedures & services
Most searched procedures
- IV antibiotic management
- PrEP prescription
- Travel vaccines
Allergy & immunology
- Penicillin Allergy Testing
Allergy & Pharmacology
- Antibiotic allergy desensitization
Antiviral treatments
- Antiviral medication management
- Hepatitis C antiviral treatment
- Mpox antiviral treatment
Consultation & second opinions
- Diabetic Foot Ulcer Debridement Consultation
- Infection Screening Before Biologics
- Post-Travel Illness Workup
- Pre-Chemotherapy Infection Clearance
- Pre-Transplant Infection Screening
- Prosthetic Hardware Infection Evaluation
- Second Opinion on Antibiotic Treatment
Diagnostic evaluations
- Chronic viral fatigue evaluation
- Medical parasite clearance evaluation
- Post-sepsis syndrome evaluation
- Sinus infection culture evaluation
- Unexplained fever workup
Diagnostics & screening
- Blood Culture Workup
- Fungal Blood Testing
- Immune System Workup for Frequent Infections
- Joint injection or aspiration
- Spinal Tap Infection Analysis
- Stool Parasite Testing
- TB Skin Test
- Tuberculosis Blood Test
- Wound Culture and Sensitivity
Gastrointestinal treatments
- Stool Transplant
Infusions & Medications
- IV Antibiotic Home Monitoring
- Long-term suppressive antibiotic therapy
Lab testing & monitoring
- Comprehensive STI screening panel
- HIV viral load monitoring
- Infectious diarrhea stool pathogen PCR panel
- Mold and environmental fungal testing
- Specialized Lyme disease confirmation testing
- Tropical disease blood work
Medication management
- Atypical Mycobacteria Treatment Plan
- Chronic Hepatitis B Medication Management
- Infected Central Line Removal Coordination
- Malaria Treatment
- Oral Antibiotic Step-Down Therapy
- Recurrent Shingles Suppression
- Syphilis Injections
- Systemic Antifungal Therapy
Prevention & Prophylaxis
- Doxy-PEP prescription
Prevention & prophylaxis
- Emergency HIV Prevention (PEP)
- Needlestick Injury Evaluation
- Rabies Post-Exposure Shots
- Tick Bite Evaluation
Travel medicine
- International travel health consultation
- Yellow fever vaccine consultation
Procedures Most Often Billed to Medicare
6,886 services · 354 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
109 | As often as other peers in Infectious Disease |
| Injection, dalbavancin, 5 mg | Drug given | J0875 |
6,280 | As often as other peers in Infectious Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
151 | As often as other peers in Infectious Disease |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
86 | More often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
67 | More often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
59 | More often than most peers in Infectious Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
50 | Less often than most peers in Infectious Disease |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
37 | As often as other peers in Infectious Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
25 | More often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
22 | More often than most peers in Infectious Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other infectious disease specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
More connections — 13 related providers in 2 groups
Class of 1991 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Also performs Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 5
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Timm?
Dr. Timm is an infectious disease specialist in Brookfield, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
What is Dr. Timm's address?
Dr. Timm is listed at 150 S Sunny Slope Rd Ste 136, Brookfield, WI 53005. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Timm?
The number on file is (262) 786-4550. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Timm's NPI number?
Dr. Timm's National Provider Identifier is 1902856016. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Timm train?
Dr. Timm attended Medical College of Wisconsin, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Timm been practicing?
Dr. Timm has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Timm perform?
According to Medicare billing data, Dr. Timm provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Timm confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Timm. If this is you, claiming it is free.
Guide.md
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