Dr. Thomas M. Derrig, MD
- Medicare services, 2024
- 444
- Medicare patients, 2024
- 279
- Part D claims, 2024
- 244
- Hospital affiliations
- 3
- Industry payments
- $34
- Practice address
- 36500 Aurora Drive, Summit, WI 53066
- Practice phone
- Call (262) 434-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Derrig's professional email, personal email and mobile number
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Dr. Thomas M. Derrig is a general surgeon in Summit, Wisconsin
Dr. Derrig practices at Aurora Medical Center - Summit in Summit, Wisconsin, part of Advocate Health.
Dr. Derrig's NPI, 1588779771, was assigned on August 20, 2006. Dr. Derrig graduated from University of North Dakota School of Medicine in 1996. Dr. Derrig holds Wisconsin license 43080.
- NPI
- 1588779771NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850365396
- NPI enumeration date
- August 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 434-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas M. Derrig practices at Aurora Medical Center - Summit in Summit, Wisconsin
Dr. Derrig's primary practice is Aurora Medical Center - Summit, at 36500 Aurora Drive, Summit, WI 53066 in Waukesha County. The practice phone is (262) 434-1600.
- Aurora Medical Center - Summit36500 Aurora Drive, Summit, WI 53066 · Waukesha CountyPhone(262) 434-1600
Source: Dmand AI Affiliation Data
Dr. Thomas M. Derrig is affiliated with 5 sites of care and 1 medical group
Dr. Derrig's primary practice is Aurora Medical Center - Summit in Summit, Wisconsin, part of Advocate Health. Dr. Derrig is also affiliated with Aurora Medical Center - Washington County. The medical group on file is Aurora Medical Group. Dmand AI also links Dr. Derrig to 1 more hospital, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas M. Derrig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Derrig practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aurora Medical Center - Summit | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas M. Derrig is one of 565 general surgeons in Wisconsin
Surgery is Dr. Derrig's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Derrig's licenses on file in 2 states: Wisconsin and North Dakota.
Specialties and state licenses
- Surgery, WisconsinPrimary
- North Dakota license
General surgeons near Dr. Derrig
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas M. Derrig billed Medicare for 444 services in 2024
CMS data shows 444 Medicare services from Dr. Derrig across 14 procedure codes in 2024, for 279 Medicare patients. Medicare paid $43,514 for them.
Dr. Derrig's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4622024: 34126%
- Other services
- 2023: 782024: 5727%
- Surgery
- 2023: 362024: 4628%
Where Dr. Derrig's Medicare services took place, 2024
- In an office11526%
- In a facility32974%
Dr. Derrig compared with the Wisconsin median for general surgeons, 2024
- Dr. Derrig
- Wisconsin median
- Medicare services
- 444vs 994.5 times
- Medicare patients
- 279vs 1002.8 times
- Part D claims
- 190vs 375.1 times
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Derrig's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Derrig and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas M. Derrig treated 279 Medicare patients in 2024, average age 73
CMS counts 279 Medicare patients who saw Dr. Derrig in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Derrig's median patient age at 67, with 43% women.
Dr. Derrig's Medicare patients by age, 2024
Dr. Derrig's Medicare patients by sex, 2024
- Women12545%
- Men15455%
Chronic conditions among Dr. Derrig's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease33%
- Chronic kidney disease30%
- Diabetes30%
- Mood disorders30%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Derrig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas M. Derrig wrote 244 Medicare Part D claims in 2024
In 2024, Dr. Derrig wrote 244 Medicare Part D claims for 106 patients. 93% of them were for generic drugs. CMS names the drug for 190 of them, across 4 drugs with 11 or more claims each, at $1,133 in total drug cost. In 2023, CMS named 256 claims across 5 drugs.
Dr. Derrig's Part D claims by kind of drug, 2024
- Generic226 claims93%
- Brand-name18 claims7%
Dr. Derrig's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2562024: 19026%
Drugs named by CMS: 4 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Thomas M. Derrig ranks in the 70th percentile for colonoscopy in Medicare
Dr. Derrig accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 67 procedures of colonoscopy by Dr. Derrig, more than 70% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Derrig ranks in Medicare procedure volume
- Colonoscopy
- 70th percentile67 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas M. Derrig received $34 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Derrig from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $34.
Companies that paid Dr. Derrig the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas M. Derrig graduated from University of North Dakota School of Medicine
Dr. Derrig graduated from University of North Dakota School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas M. Derrig's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas M. Derrig
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas M. Derrig's NPI number?
Dr. Thomas M. Derrig's NPI number is 1588779771. It was assigned on August 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas M. Derrig?
Dr. Thomas M. Derrig is a general surgeon in Summit, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas M. Derrig practice?
Dr. Derrig practices at 36500 Aurora Drive, Summit, WI 53066. Dr. Derrig's primary practice is Aurora Medical Center - Summit in Summit, Wisconsin, part of Advocate Health. Dmand AI also links Dr. Derrig to 1 hospital, 1 group practice or clinic and 1 hospital outpatient department.
What is Dr. Thomas M. Derrig's office phone number?
The practice phone on file for Dr. Derrig is (262) 434-1600.
What is Dr. Thomas M. Derrig's medical license number?
Dr. Derrig holds Wisconsin license 43080, one of the licenses on file in 2 states.
Which states has Dr. Thomas M. Derrig been licensed in?
Dmand AI has state licenses on file for Dr. Derrig in Wisconsin and North Dakota.
Which hospitals is Dr. Thomas M. Derrig affiliated with?
Dr. Derrig practices at Aurora Medical Center - Summit in Summit, Wisconsin. Dr. Derrig is also affiliated with Aurora Medical Center - Washington County. Dmand AI links Dr. Derrig to 1 more hospital.
What medical group is Dr. Thomas M. Derrig part of?
Dr. Derrig is linked to Aurora Medical Group.
Does Dr. Thomas M. Derrig accept Medicare?
Yes. CMS data shows Dr. Derrig billed Medicare for 444 services in 2024, and Dr. Derrig accepts Medicare assignment.
How many Medicare patients does Dr. Thomas M. Derrig see?
CMS counts 279 Medicare patients who saw Dr. Derrig in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Thomas M. Derrig bill to Medicare?
In 2024, Dr. Derrig's most billed Medicare services were hospital inpatient care (99233), critical care (99291) and office visit, new patient (99203).
Where did Dr. Thomas M. Derrig go to medical school?
Dr. Derrig graduated from University of North Dakota School of Medicine in 1996.
What drugs does Dr. Thomas M. Derrig prescribe most?
In 2024 Medicare Part D data, Dr. Derrig's most prescribed drugs by claims were Diclofenac Sodium, Gabapentin and Pantoprazole Sodium.
Has Dr. Thomas M. Derrig received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Dr. Derrig from 1 company from 2022 to 2022. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Thomas M. Derrig been practicing?
Dr. Derrig graduated from medical school in 1996, 30 years ago.
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