Active NPI 1215164314 Individual Practitioner Male Practitioner

Dr. Mark R Wendling , MD

Surgery • West Allis, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Wendling, MD is a certified Surgery practicing in West Allis, WI. With approximately 17 years of clinical experience since graduating from Medical College Of Wisconsin in 2009, Dr. Wendling delivers high-quality medical care to the local community at 6609 W GREENFIELD AVE.

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

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, new patient outpatient office visit, subsequent hospital care with moderate levelof 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

6609 W Greenfield Ave

West Allis, WI 532144958

Telephone 4142578500

Associated Practice Facility / Clinic

🏢 Aurora Medical Group Inc Facility NPI 1689146359

Medicare Profile & Education

Medical School

Medical College Of Wisconsin

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in West Allis, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs -2.4 yrs vs City Avg

City Avg: 19.4 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

7 Specialists

Practicing in West Allis, WI (765 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

80.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wendling (17 Years) 17 Yrs

West Allis Specialty Average (19.4 Years) 19.4 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$915.00	$160.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$510.00	$103.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$755.00	$156.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	27	$875.00	$159.71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	19	$370.00	$75.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$720.00	$158.77

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	23	14	$355.00	$68.31
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$835.00	$189.00

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	26	18	$330.00	$61.21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$535.00	$130.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$407.00	$104.65
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$510.00	$133.94

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	26	14	$307.00	$67.86
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$488.00	$132.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$582.00	$158.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$389.00	$104.19

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	31	14	$292.00	$69.80
99213 Established patient office or other outpatient visit, typically 15 minutes	27	13	$252.00	$69.95
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	12	$207.00	$37.49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$465.00	$130.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$554.00	$156.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$370.00	$96.09
99221 Initial hospital inpatient care per day, typically 30 minutes	13	12	$399.00	$96.12

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	58	31	$278.00	$69.48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	23	22	$457.00	$131.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	18	$356.00	$89.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$528.00	$156.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$352.00	$102.80

Medical Specialties & State Licenses

CMS Verified: 2025-09-17

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WI 65729

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

100060495 (WI)

Medicaid State Provider ID

1215164314 (WA)

Medicaid State Provider ID

1215164314 (WI)

Hospital & Practice Group Affiliations

Aurora Medical Group, Inc.

7220 W National Ave, West Allis, WI 532144734

Phone: 4142578500

Practice Associates & Co-Workers

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

22 Associated Practitioners

Dr. Gregory Rachu , MD

Family Medicine - Hospice and Palliative Medicine

NPI 1023271475

Doctor of Medicine (M.D.)

Paul Facchiano , NP

Nurse Practitioner

NPI 1023897998

Nurse Practitioner

Amanda Luna , PA-C

Physician Assistant

NPI 1043768658

Physician Assistant (Certified)

Dr. Joseph Cronin , DO

Family Medicine

NPI 1164431219

Doctor of Osteopathic Medicine (D.O.)

Dr. Rodolfo Suaverdez , MD

Family Medicine

NPI 1174630271

Doctor of Medicine (M.D.)

Dr. Frederick Steele , MD

Surgery

NPI 1245383330

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

16 Historical Events

📍

Updated Business Mailing Address September 17, 2025

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

📍

Updated Practice Location December 20, 2018

Registered at 6609 W GREENFIELD AVE, WEST ALLIS, WI 532144958 (Tel: 4142578500)

📍

Updated Business Mailing Address December 20, 2018

Registered at 6609 W GREENFIELD AVE, WEST ALLIS, WI 532144958 (Tel: 4142578500)

📍

Updated Practice Location December 10, 2018

Registered at 6609 W GREENFIELD AVE, WEST ALLIS, WI 53214 (Tel: 4142578500)

📍

Updated Business Mailing Address December 10, 2018

Registered at 6609 W GREENFIELD AVE, WEST ALLIS, WI 532144734 (Tel: 4142578500)

✅

NPI Profile Active February 07, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location February 07, 2018

Registered at 8901 W LINCOLN AVE, WEST ALLIS, WI 532272409 (Tel: 4143288080)

📍

Updated Business Mailing Address February 07, 2018

Registered at 7220 W NATIONAL AVE, WEST ALLIS, WI 532144734 (Tel: 4142578500)

👤

Provider Name / Credentials Updated February 07, 2018

Recorded as MARK WENDLING, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 07, 2018

Surgery (License #65729 in WI)

✅

NPI Profile Active October 04, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location October 04, 2016

Registered at 7220 W NATIONAL AVE, MILWAUKEE, WI 532144734 (Tel: 4142578500)

📍

Updated Business Mailing Address October 04, 2016

Registered at 7220 W NATIONAL AVE, MILWAUKEE, WI 532144734 (Tel: 4142578500)

👤

Provider Name / Credentials Updated October 04, 2016

Recorded as MARK WENDLING, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 04, 2016

Surgery (License #65729 in WI)

🟢

Initial NPI Registration & Enumeration June 16, 2009

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: 1215164314

Entity Type:

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

Enumeration Date: June 16, 2009

Last Update: September 17, 2025

Sole Proprietor: No

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.