Active NPI 1134103641 Individual Practitioner Male Practitioner

Dr. Stan L Markus , MD

Surgery • Oconomowoc, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Stan Markus, MD is a certified Surgery practicing in Oconomowoc, WI. With approximately 44 years of clinical experience since graduating from Wright State University Boonshoft School Of Medicine in 1982, Dr. Markus delivers high-quality medical care to the local community at 888 THACKERAY TRL STE 103.

Dr. Markus is affiliated with Prohealth Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, application of chemical to stop tissue regrowth in wound, removal of tissue from wound, 20.0 sq cm or less. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

888 Thackeray Trl Ste 103

Oconomowoc, WI 530664342

Telephone 2625671499

Fax 2625674502

Associated Practice Facility / Clinic

🏢 Allegiance Medical, Inc. Facility NPI 1831862895

Medicare Profile & Education

Medical School

Wright State University Boonshoft School Of Medicine

Graduation Year

1982

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Oconomowoc, WI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

44 Yrs +6.0 yrs vs City Avg

City Avg: 38.0 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

3 Specialists

Practicing in Oconomowoc, WI (765 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

83.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Markus (44 Years) 44 Yrs

Oconomowoc Specialty Average (38.0 Years) 38.0 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
99213 Established patient office or other outpatient visit, typically 15 minutes	249	52	$244.73	$61.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	129	52	$147.79	$32.58
99213 Established patient office or other outpatient visit, typically 15 minutes	124	33	$244.45	$61.20
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	61	35	$147.84	$32.55
17250 Application of chemical to stop tissue regrowth in wound	44	14	$314.45	$33.27
97597 Removal of tissue from wound, 20.0 sq cm or less	36	17	$305.00	$32.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	19	$374.67	$90.43
17250 Application of chemical to stop tissue regrowth in wound	26	11	$313.38	$34.49
11042 Removal of skin and tissue, 20.0 sq cm or less	23	11	$452.70	$55.40
11042 Removal of skin and tissue, 20.0 sq cm or less	22	14	$449.64	$52.85
97597 Removal of tissue from wound, 20.0 sq cm or less	21	11	$303.57	$32.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$553.50	$123.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	319	65	$141.39	$36.79
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	233	66	$141.36	$33.20
17250 Application of chemical to stop tissue regrowth in wound	34	14	$300.71	$34.37
17250 Application of chemical to stop tissue regrowth in wound	26	18	$301.85	$39.99
99213 Established patient office or other outpatient visit, typically 15 minutes	23	22	$235.96	$62.88
99213 Established patient office or other outpatient visit, typically 15 minutes	21	21	$237.00	$62.05
97597 Removal of tissue from wound, 20.0 sq cm or less	19	15	$296.68	$36.62
11042 Removal of skin and tissue, 20.0 sq cm or less	15	11	$437.80	$59.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$348.00	$78.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$346.33	$76.67
11042 Removal of skin and tissue, 20.0 sq cm or less	11	11	$431.00	$55.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	404	85	$136.24	$53.30
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	192	53	$135.78	$34.04
17250 Application of chemical to stop tissue regrowth in wound	55	27	$290.40	$83.41
97597 Removal of tissue from wound, 20.0 sq cm or less	45	26	$255.49	$97.69
11042 Removal of skin and tissue, 20.0 sq cm or less	40	21	$417.40	$122.88
99213 Established patient office or other outpatient visit, typically 15 minutes	39	36	$226.31	$86.25
11042 Removal of skin and tissue, 20.0 sq cm or less	35	14	$416.91	$56.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$335.19	$105.53
99213 Established patient office or other outpatient visit, typically 15 minutes	19	18	$227.16	$63.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$335.64	$78.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	140	42	$129.75	$53.87
99213 Established patient office or other outpatient visit, typically 15 minutes	50	48	$216.80	$86.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	45	45	$320.89	$105.41
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	14	14	$61.14	$21.83
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$1647.00	$174.85
45380 Biopsy of large bowel using an endoscope	13	13	$1956.00	$176.57
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	12	12	$1436.75	$103.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	173	56	$125.13	$43.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$309.29	$101.31
99213 Established patient office or other outpatient visit, typically 15 minutes	33	33	$207.97	$71.96
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	14	$483.94	$132.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$308.40	$104.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	184	51	$120.22	$41.28
99213 Established patient office or other outpatient visit, typically 15 minutes	108	76	$200.11	$67.31
99202 New patient office or other outpatient visit, typically 20 minutes	46	46	$208.17	$72.86
97597 Removal of tissue from wound, 20.0 sq cm or less	34	11	$217.53	$65.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$299.60	$101.73
45380 Biopsy of large bowel using an endoscope	23	23	$1827.78	$179.00
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	16	$1333.94	$86.29
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$1531.77	$165.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	153	70	$85.00	$33.63
99213 Established patient office or other outpatient visit, typically 15 minutes	82	73	$130.00	$67.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$200.00	$102.00
97597 Removal of tissue from wound, 20.0 sq cm or less	34	15	$100.00	$23.41
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	18	$125.00	$69.80
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	22	22	$1500.00	$247.65
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	19	13	$60.00	$18.25
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	16	$350.00	$194.36
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$140.00	$66.11
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	15	15	$875.00	$178.38
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	14	14	$875.00	$178.50
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$950.00	$113.88
49505 Repair of groin hernia (5 years or older)	13	13	$1884.62	$500.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	118	66	$85.00	$33.41
99213 Established patient office or other outpatient visit, typically 15 minutes	69	63	$130.00	$68.73
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	48	37	$134.83	$69.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$200.00	$99.93
97597 Removal of tissue from wound, 20.0 sq cm or less	30	12	$100.00	$27.75
99202 New patient office or other outpatient visit, typically 20 minutes	29	29	$140.00	$69.73
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	25	25	$875.00	$176.12
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	22	22	$1500.00	$249.55
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	19	$950.00	$103.66
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	17	15	$60.00	$18.16
45378 Diagnostic exam of large bowel using a flexible endoscope	15	15	$1050.00	$174.43
49505 Repair of groin hernia (5 years or older)	12	12	$1750.00	$487.32

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WI 28258

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.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License WI 28258

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

30821400 (WI)

Hospital & Practice Group Affiliations

Prohealth Medical Group Inc

725 American Ave, Waukesha, WI 531885031

Phone: 2629281000

Prohealth Medical Group Inc

1185 Corporate Ctr Dr, Oconomowoc, WI 530664889

Phone: 2629288400

Prohealth Medical Group Inc

N17w24100 Riverwood Dr, Waukesha, WI 531881127

Phone: 2629284704

Prohealth Medical Group Inc

1185 Corporate Ctr Dr, Oconomowoc, WI 530664888

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Emily Stoddard , MD

Surgery

NPI 1457311441

Doctor of Medicine (M.D.)

Dr. Cynthia Pangallo , MD

Surgery

NPI 1710946132

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

12 Historical Events

✅

NPI Profile Active November 29, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location November 29, 2017

Registered at 888 THACKERAY TRL STE 103, OCONOMOWOC, WI 530664342 (Tel: 2625671499)

📍

Updated Business Mailing Address November 29, 2017

Registered at 888 THACKERAY TRL STE 103, OCONOMOWOC, WI 530664342 (Tel: 2625671499)

👤

Provider Name / Credentials Updated November 29, 2017

Recorded as STAN MARKUS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 29, 2017

Colon & Rectal Surgery (License #28258 in WI)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 29, 2017

Surgery (License #28258 in WI)

✅

NPI Profile Active January 30, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location January 30, 2008

Registered at 1185 CORPORATE CENTER DR, STE 200, OCONOMOWOC, WI 530664845 (Tel: 2625671499)

📍

Updated Business Mailing Address January 30, 2008

Registered at 1185 CORPORATE CENTER DR, STE 200, OCONOMOWOC, WI 530664845 (Tel: 2625671499)

👤

Provider Name / Credentials Updated January 30, 2008

Recorded as STAN MARKUS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 30, 2008

Surgery (License #28258 in WI)

🟢

Initial NPI Registration & Enumeration November 30, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1134103641

Entity Type:

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

Enumeration Date: November 30, 2005

Last Update: November 29, 2017

Sole Proprietor: No

Update or Correct Profile

Mailing Address

888 Thackeray Trl Ste 103

Oconomowoc, WI 530664342

Phone: 2625671499

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.