Dr. John G. Touzios, MD
- Medicare services, 2024
- 273
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 197
- Hospital affiliations
- 2
- Industry payments
- $6,836
- Practice address
- 725 American Ave, Waukesha, WI 53188
- Practice phone
- Call (262) 928-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Touzios' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John G. Touzios is a general surgeon in Waukesha, Wisconsin
Dr. Touzios practices at ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin, part of ProHealth Care.
Dr. Touzios' NPI, 1841369832, was assigned on November 6, 2006. Dr. Touzios graduated from Northwestern University Feinberg Medical School in 2001. Dr. Touzios holds Wisconsin license 46066-20.
- NPI
- 1841369832NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486727328
- NPI enumeration date
- November 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 928-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John G. Touzios practices at ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin
Dr. Touzios' primary practice is ProHealth Waukesha Memorial Hospital, at 725 American Ave, Waukesha, WI 53188 in Waukesha County. The practice phone is (262) 928-1000.
- ProHealth Waukesha Memorial Hospital725 American Ave, Waukesha, WI 53188 · Waukesha CountyPhone(262) 928-1000
Source: Dmand AI Affiliation Data
Dr. John G. Touzios is affiliated with 4 sites of care and 1 medical group
Dr. Touzios' primary practice is ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin, part of ProHealth Care. Dr. Touzios is also affiliated with ProHealth Oconomowoc Memorial Hospital. The medical group on file is Waukesha Surgical Specialists. Dmand AI also links Dr. Touzios to 1 more group practice or clinic and 1 home health agency, 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. John G. Touzios' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Touzios practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ProHealth Waukesha Memorial Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John G. Touzios is one of 565 general surgeons in Wisconsin
Surgery is Dr. Touzios' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Touzios is licensed in Wisconsin.
Specialties and state licenses
- Surgery, WisconsinPrimary
General surgeons near Dr. Touzios
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. John G. Touzios billed Medicare for 273 services in 2024
CMS data shows 273 Medicare services from Dr. Touzios across 10 procedure codes in 2024, for 193 Medicare patients. Medicare paid $19,654 for them.
Dr. Touzios' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2022024: 22913%
- Surgery
- 2023: 472024: 446%
Where Dr. Touzios' Medicare services took place, 2024
- In an office12947%
- In a facility14453%
Dr. Touzios compared with the Wisconsin median for general surgeons, 2024
- Dr. Touzios
- Wisconsin median
- Medicare services
- 273vs 992.8 times
- Medicare patients
- 193vs 10093% above
- Part D claims
- 139vs 373.8 times
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Touzios' most billed Medicare procedure codes, 2024
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. Touzios and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John G. Touzios treated 193 Medicare patients in 2024, average age 73
CMS counts 193 Medicare patients who saw Dr. Touzios in 2024. The largest group is 65 to 74, with 94 patients. 74% of them have high blood pressure, and 69% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Touzios' median patient age at 69, with 51% women.
Dr. Touzios' Medicare patients by age, 2024
Dr. Touzios' Medicare patients by sex, 2024
- Women10454%
- Men8946%
Chronic conditions among Dr. Touzios' Medicare patients, 2024
- High blood pressure74%
- High cholesterol69%
- Arthritis42%
- Cancer34%
- Anxiety31%
- Ischemic heart disease30%
- Depression25%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Touzios' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John G. Touzios wrote 197 Medicare Part D claims in 2024
In 2024, Dr. Touzios wrote 197 Medicare Part D claims for 99 patients. 97% of them were for generic drugs. CMS names the drug for 139 of them, across 4 drugs with 11 or more claims each, at $1,037 in total drug cost. In 2023, CMS named 146 claims across 5 drugs.
Dr. Touzios' Part D claims by kind of drug, 2024
- Generic192 claims97%
- Brand-name and other5 claims3%
Dr. Touzios' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Touzios' Part D claims, 2024
- Opioids21%41 of 197 claims
- Antibiotics48%94 of 197 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1462024: 1395%
Drugs named by CMS: 4 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John G. Touzios ranks in the 53rd percentile for colonoscopy in Medicare
Dr. Touzios accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 29 procedures of colonoscopy by Dr. Touzios, more than 53% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Touzios ranks in Medicare procedure volume
- Colonoscopy
- 53rd percentile29 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 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. John G. Touzios received $6,836 in industry payments from 2016 to 2025
CMS Open Payments shows 79 general payments to Dr. Touzios from 19 drug and device companies from 2016 to 2025. Education make up the largest share, 59% of the total. Intuitive Surgical, Inc. paid the most, $5,639.
General payments to Dr. Touzios by program year, 2016 to 2025
General payments to Dr. Touzios by kind, 2016 to 2025
- Education$4,00059%
- Food and beverage$2,33634%
- Speaker and faculty fees$5007%
Companies that paid Dr. Touzios the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John G. Touzios graduated from Northwestern University Feinberg Medical School
Dr. Touzios graduated from Northwestern University Feinberg Medical School in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John G. Touzios'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 | Dmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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. John G. Touzios
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John G. Touzios' NPI number?
Dr. John G. Touzios' NPI number is 1841369832. It was assigned on November 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John G. Touzios?
Dr. John G. Touzios is a general surgeon in Waukesha, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John G. Touzios practice?
Dr. Touzios practices at 725 American Ave, Waukesha, WI 53188. Dr. Touzios' primary practice is ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin, part of ProHealth Care. Dmand AI also links Dr. Touzios to 1 group practice or clinic and 1 home health agency.
What is Dr. John G. Touzios' office phone number?
The practice phone on file for Dr. Touzios is (262) 928-1000.
What is Dr. John G. Touzios' medical license number?
Dr. Touzios holds Wisconsin license 46066-20.
Which hospitals is Dr. John G. Touzios affiliated with?
Dr. Touzios practices at ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin. Dr. Touzios is also affiliated with ProHealth Oconomowoc Memorial Hospital.
What medical group is Dr. John G. Touzios part of?
Dr. Touzios is linked to Waukesha Surgical Specialists.
Does Dr. John G. Touzios accept Medicare?
Yes. CMS data shows Dr. Touzios billed Medicare for 273 services in 2024, and Dr. Touzios accepts Medicare assignment.
How many Medicare patients does Dr. John G. Touzios see?
CMS counts 193 Medicare patients who saw Dr. Touzios in 2024, with an average age of 73.
What services does Dr. John G. Touzios bill to Medicare?
In 2024, Dr. Touzios' most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99222) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. John G. Touzios go to medical school?
Dr. Touzios graduated from Northwestern University Feinberg Medical School in 2001.
What drugs does Dr. John G. Touzios prescribe most?
In 2024 Medicare Part D data, Dr. Touzios' most prescribed drugs by claims were Metronidazole, Neomycin Sulfate and Hydrocodone-Acetaminophen.
Has Dr. John G. Touzios received payments from drug or device companies?
CMS Open Payments shows $6,836 in general payments to Dr. Touzios from 19 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John G. Touzios been practicing?
Dr. Touzios graduated from medical school in 2001, 25 years ago.
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