Active NPI 1003848458 Individual Practitioner Male Practitioner

Dr. Gary W. Stewart , MD

Surgery • Menomonee Falls, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gary Stewart, MD is a certified Surgery practicing in Menomonee Falls, WI. With approximately 47 years of clinical experience since graduating from University Of Texas Medical School At Houston in 1979, Dr. Stewart delivers high-quality medical care to the local community at N84W16889 MENOMONEE AVE.

Dr. Stewart is affiliated with Aurora Advanced Healthcare, Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital inpatient care per day, new patient outpatient office visit, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

N84w16889 Menomonee Ave

Menomonee Falls, WI 530512810

Telephone 2622517500

Fax 2622517128

Associated Practice Facility / Clinic

🏢 Medical Pharmacy Facility NPI 1194823138

Medicare Profile & Education

Medical School

University Of Texas Medical School At Houston

Graduation Year

1979

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Menomonee Falls, WI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

47 Yrs +13.4 yrs vs City Avg

City Avg: 33.6 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

10 Specialists

Practicing in Menomonee Falls, WI (765 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

82.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Stewart (47 Years) 47 Yrs

Menomonee Falls Specialty Average (33.6 Years) 33.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$435.00	$77.04

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	18	18	$407.00	$103.98
99213 Established patient office or other outpatient visit, typically 15 minutes	15	13	$281.00	$72.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	37	29	$264.51	$71.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$389.00	$104.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	31	$390.44	$105.53
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$574.79	$131.15
45388 Destruction of polyp or growth of large bowel using a flexible endoscope	12	12	$12170.00	$254.41
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	12	12	$3460.00	$175.73
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$273.00	$73.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	78	73	$377.03	$102.32
99213 Established patient office or other outpatient visit, typically 15 minutes	56	46	$254.39	$68.62
99231 Follow-up hospital inpatient care per day, typically 15 minutes	46	12	$207.00	$37.49
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	40	$546.09	$139.12
45388 Destruction of polyp or growth of large bowel using a flexible endoscope	34	32	$11410.00	$262.73
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	23	$187.26	$41.96
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	21	21	$3280.00	$118.05
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	17	16	$2020.00	$85.05
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$2440.00	$171.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	84	82	$358.69	$100.95
93880 Ultrasound of both sides of head and neck blood flow	73	69	$2831.00	$190.28
99213 Established patient office or other outpatient visit, typically 15 minutes	54	46	$242.37	$67.37
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	46	42	$506.37	$133.12
99231 Follow-up hospital inpatient care per day, typically 15 minutes	34	11	$197.00	$37.60
45388 Destruction of polyp or growth of large bowel using a flexible endoscope	22	21	$3439.00	$264.61
93926 Ultrasound of one leg arteries or artery grafts	20	12	$2449.00	$129.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	19	$181.95	$39.45
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	18	18	$2216.00	$164.51
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	15	15	$3084.00	$162.00
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	12	$629.36	$194.34

Medical Specialties & State Licenses

CMS Verified: 2026-06-24

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WI 24267

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

30741300 (WI)

Commercial Insurance / Payer ID Rr Medicare

P00451319 (WI)

Hospital & Practice Group Affiliations

Aurora Advanced Healthcare, Inc.

1032 E Sumner St, Hartford, WI 530271608

Phone: 2626732300

Aurora Advanced Healthcare, Inc.

12203 N Corporate Pkwy, Mequon, WI 530923388

Phone: 2623878200

Secondary Practice Locations

1640 E Sumner St

Hartford, WI 530272684

Phone: 2626704000

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Roxanne Phelps , OD

Optometrist

NPI 1003846171

Doctor of Optometry

Dr. Janell Schulteis-Wilson , MD

Family Medicine

NPI 1003998519

Doctor of Medicine (M.D.)

Ashley Polomis , MS, CCC-SLP

Speech-Language Pathologist

NPI 1013807700

Master of Science, Speech-Language Pathologist (Certificate of Clinical Competence)

Elizabeth Pechstein , PA-C

Physician Assistant

NPI 1033734496

Physician Assistant (Certified)

David Luber , NP

Nurse Practitioner

NPI 1043426067

Nurse Practitioner

Dr. Thomas Heyrman , MD

Ophthalmology

NPI 1063444255

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Business Mailing Address June 24, 2026

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

✅

NPI Profile Active December 29, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location December 29, 2010

Registered at N84W16889 MENOMONEE AVE, MENOMONEE FALLS, WI 530512810 (Tel: 2622517500)

📍

Updated Business Mailing Address December 29, 2010

Registered at 3003 W GOOD HOPE RD, MILWAUKEE, WI 532092042 (Tel: 4143523100)

👤

Provider Name / Credentials Updated December 29, 2010

Recorded as GARY STEWART, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 29, 2010

Surgery (License #24267 in WI)

🟢

Initial NPI Registration & Enumeration July 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Gary Stewart. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1003848458

Entity Type:

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

Enumeration Date: July 07, 2006

Last Update: June 24, 2026

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.