Active NPI 1811283526 Individual Practitioner Male Practitioner

Dr. William Ritt , DO

Surgery • Sheboygan, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Ritt, DO is a certified Surgery practicing in Sheboygan, WI. With approximately 15 years of clinical experience since completing medical education in 2011, Dr. Ritt delivers high-quality medical care to the local community at 3400 UNION AVE.

Dr. Ritt is affiliated with Aurora Medical Group, Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, new patient outpatient office visit, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3400 Union Ave

Sheboygan, WI 530818426

Telephone 9208282700

Associated Practice Facility / Clinic

🏢 Aurora Health Care Central, Inc. Facility NPI 1922053107

Medicare Profile & Education

Medical School

Other

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Sheboygan, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -3.2 yrs vs City Avg

City Avg: 18.2 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

10 Specialists

Practicing in Sheboygan, WI (765 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

88.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ritt (15 Years) 15 Yrs

Sheboygan Specialty Average (18.2 Years) 18.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	42	20	$390.00	$72.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$510.00	$103.83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	39	37	$915.00	$160.34
99213 Established patient office or other outpatient visit, typically 15 minutes	35	31	$350.00	$85.16
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	19	$240.00	$52.99
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	19	19	$4490.00	$217.10
19301 Partial removal of breast	13	11	$3710.00	$495.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$755.00	$155.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	26	$370.00	$75.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$485.00	$106.48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	36	$590.00	$120.46
99213 Established patient office or other outpatient visit, typically 15 minutes	32	28	$330.00	$86.52
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	18	18	$4350.00	$236.19
46600 Diagnostic examination of the anus using an endoscope	11	11	$470.00	$114.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	47	28	$355.00	$68.08
99213 Established patient office or other outpatient visit, typically 15 minutes	43	34	$313.00	$87.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$460.00	$107.12
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	25	$565.00	$128.44
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	22	22	$4180.00	$232.95
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	14	14	$2540.00	$75.85
46600 Diagnostic examination of the anus using an endoscope	13	13	$445.00	$114.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$220.00	$54.09
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$2820.00	$174.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	47	22	$450.00	$97.36
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	47	20	$330.00	$69.16
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$430.00	$107.18
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	26	26	$3980.00	$235.34
99213 Established patient office or other outpatient visit, typically 15 minutes	23	19	$295.00	$88.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	17	$441.11	$121.51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	15	$535.00	$130.48
99221 Initial hospital inpatient care per day, typically 30 minutes	16	15	$411.25	$89.90
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	14	14	$3830.00	$165.96
74300 Review by radiologist of bile and/or pancreatic duct image during surgery	12	12	$228.00	$13.75
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$7968.75	$646.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	66	25	$430.00	$100.79
99213 Established patient office or other outpatient visit, typically 15 minutes	35	29	$281.00	$72.90
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$407.00	$104.46
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	22	22	$3770.00	$250.64
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	18	18	$2260.00	$108.46
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$387.35	$92.61
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$2550.00	$182.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	103	51	$419.00	$100.95
99213 Established patient office or other outpatient visit, typically 15 minutes	47	37	$265.00	$71.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$389.00	$104.20
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	31	31	$2140.00	$98.68
99221 Initial hospital inpatient care per day, typically 30 minutes	28	28	$360.00	$97.32
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	27	27	$3590.00	$243.60
99226 Subsequent observation care, typically 35 minutes per day	18	13	$374.00	$101.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$393.00	$105.55
45380 Biopsy of large bowel using an endoscope	14	14	$2820.00	$119.69
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$488.00	$132.39
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$2480.00	$181.11
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	11	11	$1820.00	$103.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	88	40	$399.00	$100.06
99213 Established patient office or other outpatient visit, typically 15 minutes	80	44	$252.00	$69.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	62	62	$375.90	$101.67
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	39	37	$2020.00	$105.48
99221 Initial hospital inpatient care per day, typically 30 minutes	29	29	$399.00	$96.12
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$3400.00	$221.46
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	16	16	$3280.00	$164.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	11	$182.00	$41.90
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	13	13	$241.00	$5.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	84	48	$380.00	$95.46
99213 Established patient office or other outpatient visit, typically 15 minutes	55	34	$240.00	$69.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	43	41	$358.63	$100.57
99221 Initial hospital inpatient care per day, typically 30 minutes	40	39	$380.00	$96.53
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	27	26	$1898.00	$74.82
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$3222.00	$248.88
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	11	11	$3084.00	$107.10

Medical Specialties & State Licenses

CMS Verified: 2025-07-14

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WI 65758-21

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1811283526 (WI)

Commercial Insurance / Payer ID Wi License

65758-21 (WI)

Hospital & Practice Group Affiliations

Aurora Medical Group, Inc.

1020 N 12th St, Milwaukee, WI 532331308

Phone: 4142193056

Aurora Medical Group, Inc.

3400 Union Ave, Sheboygan, WI 530818426

Phone: 9208282530

Aurora Medical Group, Inc.

2600 Kiley Way, Plymouth, WI 530735020

Phone: 9204497000

Secondary Practice Locations

2414 Kohler Memorial Dr

Sheboygan, WI 530813129

Phone: 9204574461

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

9 Associated Practitioners

Pamela Higgins , NP

Nurse Practitioner

NPI 1053502625

Nurse Practitioner

Dr. George Kuttickat , MD

Internal Medicine - Cardiovascular Disease

NPI 1447367982

Doctor of Medicine (M.D.)

Nicole Mentink , OTR, L

Occupational Therapist

NPI 1770236457

Occupational Therapist Registered, L

Dr. Steven Kream , MD

Internal Medicine - Pulmonary Disease

NPI 1780751974

Doctor of Medicine (M.D.)

Dr. Nebiyu Biru , MD

Internal Medicine - Pulmonary Disease

NPI 1780983320

Doctor of Medicine (M.D.)

Dr. Nicholas Draeger , DO

Surgery

NPI 1902031909

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location July 14, 2025

Registered at 3400 UNION AVE, SHEBOYGAN, WI 530818426 (Tel: 9208282700)

📍

Updated Business Mailing Address July 14, 2025

Registered at PO BOX 735044, CHICAGO, IL 606735044 (Tel: 8003262250)

✅

NPI Profile Active July 27, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 27, 2016

Registered at 2414 KOHLER MEMORIAL DR, SHEBOYGAN, WI 530813129 (Tel: 9204574461)

📍

Updated Business Mailing Address July 27, 2016

Registered at 2414 KOHLER MEMORIAL DR, SHEBOYGAN, WI 530813129 (Tel: 9204574461)

👤

Provider Name / Credentials Updated July 27, 2016

Recorded as WILLIAM RITT, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 27, 2016

Surgery (License #65758-21 in WI)

🟢

Initial NPI Registration & Enumeration June 21, 2011

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1811283526

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 21, 2011

Last Update: July 14, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 735044

Chicago, IL 606735044

Phone: 8003262250

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.