Active NPI 1588779771 Individual Practitioner Male Practitioner

Dr. Thomas M Derrig , MD

Surgery • Hartland, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Derrig, MD is a certified Surgery practicing in Hartland, WI. With approximately 30 years of clinical experience since graduating from University Of North Dakota School Of Medicine in 1996, Dr. Derrig delivers high-quality medical care to the local community at 600 WALNUT RIDGE DR.

Dr. Derrig 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, critical care, first, new 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

600 Walnut Ridge Dr

Hartland, WI 53029

Telephone 2623697040

Fax 2623697041

Associated Practice Facility / Clinic

🏢 Aurora Pharmacy Inc Facility NPI 1669497392

Medicare Profile & Education

Medical School

University Of North Dakota School Of Medicine

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Hartland, WI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs Matches City Avg

City Avg: 30.0 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

1 Specialists

Practicing in Hartland, WI (765 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

92.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Derrig (30 Years) 30 Yrs

Hartland Specialty Average (30.0 Years) 30.0 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	124	54	$525.00	$103.48
99291 Critical care, first 30-74 minutes	49	30	$2590.00	$195.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$510.00	$102.08
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	30	$240.00	$51.28
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	31	31	$3060.00	$165.61
99221 Initial hospital inpatient care per day, typically 30 minutes	28	27	$472.14	$72.89
99239 Hospital discharge day management, more than 30 minutes	25	25	$700.00	$102.13
99213 Established patient office or other outpatient visit, typically 15 minutes	25	25	$350.00	$82.80
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	21	21	$4490.00	$210.20
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$350.00	$67.51
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	14	14	$2780.00	$89.23
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$3060.00	$165.41
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	$65.00	$4.83
49505 Repair of groin hernia (5 years or older)	11	11	$5829.09	$507.21

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	134	72	$500.00	$112.92
99291 Critical care, first 30-74 minutes	95	42	$2510.00	$202.18
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	54	42	$230.00	$54.09
99221 Initial hospital inpatient care per day, typically 30 minutes	53	52	$435.00	$76.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$485.00	$103.36
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	38	38	$65.00	$4.90
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	28	28	$2930.00	$171.46
99213 Established patient office or other outpatient visit, typically 15 minutes	26	25	$330.00	$86.53
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$335.00	$69.22
99239 Hospital discharge day management, more than 30 minutes	20	20	$670.00	$109.36
49505 Repair of groin hernia (5 years or older)	19	19	$5071.58	$515.63
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	17	17	$4413.97	$223.70
99292 Critical care, each additional 30 minutes	14	14	$1260.00	$101.35
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	12	12	$2930.00	$171.56

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	95	45	$480.00	$97.75
99291 Critical care, first 30-74 minutes	77	38	$2440.00	$207.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	58	50	$220.00	$53.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$460.00	$103.30
99213 Established patient office or other outpatient visit, typically 15 minutes	29	24	$313.00	$84.55
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	26	25	$140.00	$4.98
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	22	22	$2820.00	$173.69
99292 Critical care, each additional 30 minutes	22	20	$1220.00	$104.01
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$318.00	$69.75
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$415.00	$94.34
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	13	13	$4260.38	$242.69
99239 Hospital discharge day management, more than 30 minutes	12	12	$640.00	$91.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	68	27	$2320.00	$198.34
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	63	26	$450.00	$99.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	45	$210.00	$54.54
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	35	34	$275.00	$5.09
99213 Established patient office or other outpatient visit, typically 15 minutes	31	28	$295.00	$88.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$430.00	$108.39
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	24	24	$2690.00	$177.80
99239 Hospital discharge day management, more than 30 minutes	16	16	$580.00	$102.54
99292 Critical care, each additional 30 minutes	15	13	$1160.00	$105.75
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$300.00	$70.36

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	69	31	$430.00	$102.14
99291 Critical care, first 30-74 minutes	49	23	$2220.00	$215.99
99213 Established patient office or other outpatient visit, typically 15 minutes	39	32	$281.00	$72.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$407.00	$104.56
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	35	35	$270.00	$5.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	28	$416.00	$106.26
99292 Critical care, each additional 30 minutes	21	19	$1110.00	$108.07
99239 Hospital discharge day management, more than 30 minutes	19	19	$580.00	$105.16
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$375.00	$98.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$750.00	$197.31
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	13	13	$2550.00	$181.45

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	110	47	$419.00	$100.03
99291 Critical care, first 30-74 minutes	86	41	$2160.00	$212.22
99213 Established patient office or other outpatient visit, typically 15 minutes	67	53	$265.00	$71.97
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	56	56	$256.00	$5.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	36	$392.07	$105.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$389.00	$104.20
99239 Hospital discharge day management, more than 30 minutes	36	35	$563.00	$104.33
99292 Critical care, each additional 30 minutes	22	19	$1080.00	$107.59
99221 Initial hospital inpatient care per day, typically 30 minutes	21	21	$370.05	$92.69
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	20	20	$2480.00	$181.11
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	14	14	$3590.00	$250.32

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	90	75	$374.00	$102.15
99291 Critical care, first 30-74 minutes	83	31	$2120.00	$209.66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	75	41	$399.00	$98.74
99213 Established patient office or other outpatient visit, typically 15 minutes	69	49	$252.00	$67.86
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	47	46	$241.00	$5.15
99239 Hospital discharge day management, more than 30 minutes	24	24	$536.00	$103.69
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$687.00	$194.38
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$2350.00	$178.38
99292 Critical care, each additional 30 minutes	13	11	$1060.00	$106.23

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	67	33	$380.00	$99.07
99213 Established patient office or other outpatient visit, typically 15 minutes	64	52	$240.00	$67.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	63	48	$357.79	$97.64
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	46	46	$225.00	$5.11
99291 Critical care, first 30-74 minutes	43	17	$2019.00	$213.49
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	21	$654.00	$194.34
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$2216.00	$173.81
99239 Hospital discharge day management, more than 30 minutes	15	15	$510.00	$103.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$352.00	$102.66
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	11	11	$3222.00	$248.88

Medical Specialties & State Licenses

CMS Verified: 2023-09-25

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WI 43080

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License ND 7805

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

34071100 (WI)

Hospital & Practice Group Affiliations

Aurora Medical Group, Inc.

36500 Aurora Dr, Summit, WI 530664899

Phone: 2624345000

Aurora Medical Group, Inc.

1020 N 12th St, Milwaukee, WI 532331308

Phone: 4142193056

Aurora Medical Group, Inc.

1032 E Sumner St, Hartford, WI 530271608

Phone: 2626732300

Practice Associates & Co-Workers

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

19 Associated Practitioners

Samuel Kaminski

Nurse Practitioner

NPI 1013495068

Dr. Beth Keefe , MD

Internal Medicine

NPI 1013980234

Doctor of Medicine (M.D.)

Dr. Samuel Yoon , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1043692627

Doctor of Medicine (M.D.)

Dr. Vincent Borkowski , MD, PhD

Internal Medicine

NPI 1043849961

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Fawad Khan , MD

Internal Medicine

NPI 1184603755

Doctor of Medicine (M.D.)

Michelle Wavra , APNP

Nurse Practitioner

NPI 1205543899

Advanced Practice Nurse Prescriber

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 600 WALNUT RIDGE DR, HARTLAND, WI 53029 (Tel: 2623697040)

📍

Updated Business Mailing Address July 08, 2007

Registered at 3301 W FOREST HOME AVE, MILWAUKEE, WI 532152843 (Tel: 4146476326)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as THOMAS DERRIG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #43080 in WI)

🟢

Initial NPI Registration & Enumeration August 20, 2006

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: 1588779771

Entity Type:

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

Enumeration Date: August 20, 2006

Last Update: September 25, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3301 W Forest Home Ave

Milwaukee, WI 532152843

Phone: 4146476326

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.