Dr. William L. Ritt, DO
- Medicare services, 2024
- 231
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 172
- Hospital affiliations
- 1
- Industry payments
- $1,230
- Practice address
- 2629 N 7th St, Sheboygan, WI 53083
- Practice phone
- Call (920) 451-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ritt's professional email, personal email and mobile number
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Dr. William L. Ritt is a general surgeon in Sheboygan, Wisconsin
Dr. Ritt practices at Aurora Medical Center - Sheboygan County in Sheboygan, Wisconsin, part of Advocate Health.
Dr. Ritt's NPI, 1811283526, was assigned on June 21, 2011. Dr. Ritt holds Wisconsin license 65758-21.
- NPI
- 1811283526NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062732977
- NPI enumeration date
- June 21, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 451-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William L. Ritt practices at Aurora Medical Center - Sheboygan County in Sheboygan, Wisconsin
Dr. Ritt's primary practice is Aurora Medical Center - Sheboygan County, at 2629 N 7th St, Sheboygan, WI 53083 in Sheboygan County. The practice phone is (920) 451-5000.
- Aurora Medical Center - Sheboygan County2629 N 7th St, Sheboygan, WI 53083 · Sheboygan CountyPhone(920) 451-5000
Source: Dmand AI Affiliation Data
Dr. William L. Ritt is affiliated with 1 site of care and 1 medical group
Dr. Ritt's primary practice is Aurora Medical Center - Sheboygan County in Sheboygan, Wisconsin, part of Advocate Health. The medical group on file is Aurora Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William L. Ritt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ritt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aurora Medical Center - Sheboygan County | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William L. Ritt is one of 565 general surgeons in Wisconsin
Surgery is Dr. Ritt's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ritt is licensed in Wisconsin.
Specialties and state licenses
- Surgery, WisconsinPrimary
General surgeons near Dr. Ritt
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. William L. Ritt billed Medicare for 231 services in 2024
CMS data shows 231 Medicare services from Dr. Ritt across 8 procedure codes in 2024, for 184 Medicare patients. Medicare paid $22,661 for them.
Dr. Ritt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1652024: 19921%
- Surgery
- 2023: 292024: 3210%
Where Dr. Ritt's Medicare services took place, 2024
- In an office11851%
- In a facility11349%
Dr. Ritt compared with the Wisconsin median for general surgeons, 2024
- Dr. Ritt
- Wisconsin median
- Medicare services
- 231vs 992.3 times
- Medicare patients
- 184vs 10084% above
- Part D claims
- 87vs 372.4 times
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Ritt's 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. Ritt and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William L. Ritt treated 184 Medicare patients in 2024, average age 73
CMS counts 184 Medicare patients who saw Dr. Ritt in 2024. The largest group is 65 to 74, with 111 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ritt's median patient age at 68, with 52% women.
Dr. Ritt's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ritt's Medicare patients by sex, 2024
- Women9351%
- Men9149%
Chronic conditions among Dr. Ritt's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis39%
- Cancer30%
- Chronic kidney disease28%
- Ischemic heart disease27%
- Diabetes25%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ritt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William L. Ritt wrote 172 Medicare Part D claims in 2024
In 2024, Dr. Ritt wrote 172 Medicare Part D claims for 107 patients. 98% of them were for generic drugs. CMS names the drug for 87 of them, across 3 drugs with 11 or more claims each, at $113 in total drug cost. In 2023, CMS named 83 claims across 1 drug.
Dr. Ritt's Part D claims by kind of drug, 2024
- Generic169 claims98%
- Brand-name and other3 claims2%
Dr. Ritt's 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. Ritt's Part D claims, 2024
- Opioids45%77 of 172 claims
- Antibiotics25%43 of 172 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: 832024: 875%
Drugs named by CMS: 3 in 2024, 1 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. William L. Ritt ranks in the 77th percentile for hernia repair (minimally invasive) in Medicare
Dr. Ritt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of hernia repair (minimally invasive) by Dr. Ritt, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ritt ranks in Medicare procedure volume
- Colonoscopy
- 67th percentile58 procedures
- Hernia repair (minimally invasive)
- 77th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 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)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. William L. Ritt received $1,230 in industry payments from 2016 to 2018
CMS Open Payments shows 16 general payments to Dr. Ritt from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 52% of the total. Intuitive Surgical, Inc. paid the most, $872.
General payments to Dr. Ritt by program year, 2016 to 2018
General payments to Dr. Ritt by kind, 2016 to 2018
- Food and beverage$63652%
- Travel and lodging$59448%
Companies that paid Dr. Ritt the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William L. Ritt'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) |
| 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. William L. Ritt
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. William L. Ritt's NPI number?
Dr. William L. Ritt's NPI number is 1811283526. It was assigned on June 21, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. William L. Ritt?
Dr. William L. Ritt is a general surgeon in Sheboygan, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. William L. Ritt practice?
Dr. Ritt practices at 2629 N 7th St, Sheboygan, WI 53083. Dr. Ritt's primary practice is Aurora Medical Center - Sheboygan County in Sheboygan, Wisconsin, part of Advocate Health.
What is Dr. William L. Ritt's office phone number?
The practice phone on file for Dr. Ritt is (920) 451-5000.
What is Dr. William L. Ritt's medical license number?
Dr. Ritt holds Wisconsin license 65758-21.
Which hospitals is Dr. William L. Ritt affiliated with?
Dr. Ritt practices at Aurora Medical Center - Sheboygan County in Sheboygan, Wisconsin.
What medical group is Dr. William L. Ritt part of?
Dr. Ritt is linked to Aurora Medical Group.
Does Dr. William L. Ritt accept Medicare?
Yes. CMS data shows Dr. Ritt billed Medicare for 231 services in 2024, and Dr. Ritt accepts Medicare assignment.
How many Medicare patients does Dr. William L. Ritt see?
CMS counts 184 Medicare patients who saw Dr. Ritt in 2024, with an average age of 73.
What services does Dr. William L. Ritt bill to Medicare?
In 2024, Dr. Ritt's most billed Medicare services were hospital inpatient care (99232), office visit, new patient (99203) and hospital inpatient care (99223).
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What drugs does Dr. William L. Ritt prescribe most?
In 2024 Medicare Part D data, Dr. Ritt's most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Diazepam.
Has Dr. William L. Ritt received payments from drug or device companies?
CMS Open Payments shows $1,230 in general payments to Dr. Ritt from 4 companies from 2016 to 2018. The largest total came from Intuitive Surgical, Inc.
How long has Dr. William L. Ritt been practicing?
Dr. Ritt graduated from medical school in 2011, 15 years ago.
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