Dr. Emily Kathleen Wilczak, MD
- Medicare services, 2017
- 340
- Part D claims, 2017
- 34
- Hospital affiliations
- 1
- Industry payments
- $977
- Medical group
- 1
- Practice address
- N2950 State Road 67, Lake Geneva, WI 53147
- Practice phone
- Call (262) 245-0535
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Wilczak's professional email, personal email and mobile number
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Dr. Emily Kathleen Wilczak is a general surgeon in Lake Geneva, Wisconsin
Dr. Wilczak practices at Mercyhealth Hospital and Medical Center-Walworth in Lake Geneva, Wisconsin, part of Mercyhealth.
Dr. Wilczak's NPI, 1386969400, was assigned on March 31, 2010. Dr. Wilczak attended Michigan State University College of Human Medicine. Dr. Wilczak holds Illinois license 036136945.
- NPI
- 1386969400NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678726544
- NPI enumeration date
- March 31, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 245-0535
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Emily Kathleen Wilczak practices at 2 locations in Lake Geneva, Wisconsin
Dr. Wilczak's primary practice is Mercyhealth Hospital and Medical Center-Walworth, at N2950 State Road 67, Lake Geneva, WI 53147 in Walworth County. The practice phone is (262) 245-0535. Dr. Wilczak also practices at Mercyhealth Hospital and Medical Center- Walworth, 2950 State Rd 67, Lake Geneva, WI 53147.
- Mercyhealth Hospital and Medical Center-WalworthPrimaryN2950 State Road 67, Lake Geneva, WI 53147 · Walworth CountyPhone(262) 245-0535
- Mercyhealth Hospital and Medical Center- Walworth2950 State Rd 67, Lake Geneva, WI 53147 · Walworth CountyPhone(262) 245-0535
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Emily Kathleen Wilczak is affiliated with 3 sites of care and 1 medical group
Dr. Wilczak's primary practice is Mercyhealth Hospital and Medical Center-Walworth in Lake Geneva, Wisconsin, part of Mercyhealth. The medical group on file is Mercyhealth. Dmand AI also links Dr. Wilczak to 1 more group practice or clinic and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Emily Kathleen Wilczak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wilczak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercyhealth Hospital and Medical Center-Walworth | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Emily Kathleen Wilczak is one of 565 general surgeons in Wisconsin
Surgery is Dr. Wilczak's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Wilczak is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Wilczak
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Emily Kathleen Wilczak billed Medicare for 340 services in 2017
CMS data shows 340 Medicare services from Dr. Wilczak across 10 procedure codes in 2017. Medicare paid $25,795 for them.
Dr. Wilczak's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 2752017: 32619%
- Surgery
- 2016: 02017: 14
Where Dr. Wilczak's Medicare services took place, 2017
- In an office10531%
- In a facility23569%
Dr. Wilczak compared with the Wisconsin median for general surgeons, 2017
- Dr. Wilczak
- Wisconsin median
- Medicare services
- 340vs 993.4 times
- Part D claims
- 34vs 378% below
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Wilczak's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wilczak and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Emily Kathleen Wilczak's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Wilczak's median patient age at 63, with 50% women.
Dr. Wilczak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Emily Kathleen Wilczak wrote 34 Medicare Part D claims in 2017
In 2017, Dr. Wilczak wrote 34 Medicare Part D claims. They cover 1 drug, with $263 in total drug cost. In 2016, CMS named 27 claims across 1 drug.
Dr. Wilczak's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 272017: 3426%
Drugs named by CMS: 1 in 2017, 1 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Emily Kathleen Wilczak takes part in Medicare
Dr. Wilczak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Emily Kathleen Wilczak received $977 in industry payments from 2016 to 2017
CMS Open Payments shows 12 general payments to Dr. Wilczak from 3 drug and device companies from 2016 to 2017. Travel and lodging make up the largest share, 83% of the total. Intuitive Surgical, Inc. paid the most, $874.
General payments to Dr. Wilczak by program year, 2016 to 2017
General payments to Dr. Wilczak by kind, 2016 to 2017
- Travel and lodging$81283%
- Food and beverage$16517%
Companies that paid Dr. Wilczak the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Emily Kathleen Wilczak graduated from Michigan State University College of Human Medicine
Dr. Wilczak attended Michigan State University College of Human Medicine.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Emily Kathleen Wilczak's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Emily Kathleen Wilczak
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What is Dr. Emily Kathleen Wilczak's NPI number?
Dr. Emily Kathleen Wilczak's NPI number is 1386969400. It was assigned on March 31, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Emily Kathleen Wilczak?
Dr. Emily Kathleen Wilczak is a general surgeon in Lake Geneva, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Emily Kathleen Wilczak practice?
Dr. Wilczak practices at N2950 State Road 67, Lake Geneva, WI 53147. Dr. Wilczak also practices at 2950 State Rd 67, Lake Geneva, WI 53147. Dr. Wilczak's primary practice is Mercyhealth Hospital and Medical Center-Walworth in Lake Geneva, Wisconsin, part of Mercyhealth. Dmand AI also links Dr. Wilczak to 1 group practice or clinic and 1 therapy and rehab clinic.
What is Dr. Emily Kathleen Wilczak's office phone number?
The practice phone on file for Dr. Wilczak is (262) 245-0535.
What is Dr. Emily Kathleen Wilczak's medical license number?
Dr. Wilczak holds Illinois license 036136945.
Which hospitals is Dr. Emily Kathleen Wilczak affiliated with?
Dr. Wilczak practices at Mercyhealth Hospital and Medical Center-Walworth in Lake Geneva, Wisconsin.
What medical group is Dr. Emily Kathleen Wilczak part of?
Dr. Wilczak is linked to Mercyhealth.
Does Dr. Emily Kathleen Wilczak accept Medicare?
Yes. CMS data shows Dr. Wilczak billed Medicare for 340 services in 2017, and Dr. Wilczak accepts Medicare assignment.
What services does Dr. Emily Kathleen Wilczak bill to Medicare?
In 2017, Dr. Wilczak's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99232) and office visit, new patient (99203).
Where did Dr. Emily Kathleen Wilczak go to medical school?
Dr. Wilczak attended Michigan State University College of Human Medicine.
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What drugs does Dr. Emily Kathleen Wilczak prescribe most?
In 2017 Medicare Part D data, Dr. Wilczak's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Emily Kathleen Wilczak received payments from drug or device companies?
CMS Open Payments shows $977 in general payments to Dr. Wilczak from 3 companies from 2016 to 2017. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Emily Kathleen Wilczak been practicing?
Dr. Wilczak's NPI was assigned in 2010.
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