Dr. Matthew Braun Kaspar, MD
- Medicare services, 2024
- 272
- Medicare patients, 2024
- 212
- Part D claims, 2024
- 618
- Hospital affiliations
- 2
- Industry payments
- $12,279
- Practice address
- 744 S Webster Ave, Green Bay, WI 54301
- Practice phone
- Call (920) 433-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kaspar's professional email, personal email and mobile number
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Dr. Matthew Braun Kaspar is a gastroenterologist in Green Bay, Wisconsin
Dr. Kaspar practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health.
Dr. Kaspar's NPI, 1275853319, was assigned on June 10, 2010. Dr. Kaspar graduated from University of Texas Medical School at San Antonio in 2010. Dr. Kaspar holds Wisconsin license 77224-20.
- NPI
- 1275853319NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294976130
- NPI enumeration date
- June 10, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 433-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Braun Kaspar practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin
Dr. Kaspar's primary practice is Emplify Health Green Bay Hospital, at 744 S Webster Ave, Green Bay, WI 54301 in Brown County. The practice phone is (920) 433-3500.
- Emplify Health Green Bay Hospital744 S Webster Ave, Green Bay, WI 54301 · Brown CountyPhone(920) 433-3500
Source: Dmand AI Affiliation Data
Dr. Matthew Braun Kaspar is affiliated with 6 sites of care and 4 medical groups
Dr. Kaspar's primary practice is Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health. The medical group on file is Bellin Health Heart & Vascular Crystal Falls. Dmand AI also links Dr. Kaspar to 1 more hospital, 3 group practices and clinics, 3 medical groups and 1 imaging center, 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. Matthew Braun Kaspar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaspar practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emplify Health Green Bay Hospital | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Braun Kaspar is one of 277 gastroenterologists in Wisconsin
Gastroenterology is Dr. Kaspar's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Kaspar is licensed in Wisconsin.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
Gastroenterologists near Dr. Kaspar
Counts of gastroenterologists 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. Matthew Braun Kaspar billed Medicare for 272 services in 2024
CMS data shows 272 Medicare services from Dr. Kaspar across 9 procedure codes in 2024, for 212 Medicare patients. Medicare paid $28,282 for them.
Dr. Kaspar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1942024: 2024%
- Other services
- 2023: 242024: 4171%
- Office and hospital visits
- 2023: 692024: 2958%
Where Dr. Kaspar's Medicare services took place, 2024
- In an office5018%
- In a facility22282%
Dr. Kaspar compared with the Wisconsin median for gastroenterologists, 2024
- Dr. Kaspar
- Wisconsin median
- Medicare services
- 272vs 32917% below
- Medicare patients
- 212vs 25818% below
- Part D claims
- 523vs 42922% above
Medians across 278 gastroenterologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Kaspar'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. Kaspar and other gastroenterologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Braun Kaspar treated 212 Medicare patients in 2024, average age 70
CMS counts 212 Medicare patients who saw Dr. Kaspar in 2024. The largest group is 65 to 74, with 113 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kaspar's median patient age at 61, with 50% women.
Dr. Kaspar's Medicare patients by age, 2024
Dr. Kaspar's Medicare patients by sex, 2024
- Women12458%
- Men8842%
Chronic conditions among Dr. Kaspar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis45%
- Mood disorders32%
- Anxiety31%
- Diabetes31%
- Depression29%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kaspar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Braun Kaspar wrote 618 Medicare Part D claims in 2024
In 2024, Dr. Kaspar wrote 618 Medicare Part D claims for 420 patients. 56% of them were for generic drugs. CMS names the drug for 523 of them, across 12 drugs with 11 or more claims each, at $139,768 in total drug cost. In 2023, CMS named 443 claims across 11 drugs.
Dr. Kaspar's Part D claims by kind of drug, 2024
- Generic348 claims56%
- Brand-name270 claims44%
Dr. Kaspar'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.
Drug classes CMS tracks in Dr. Kaspar's Part D claims, 2024
- Antibiotics2%12 of 618 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4432024: 52318%
Drugs named by CMS: 12 in 2024, 11 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. Matthew Braun Kaspar ranks in the 85th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Kaspar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 147 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Kaspar, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kaspar ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 85th percentile147 procedures
- Colonoscopy
- 73rd percentile76 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Matthew Braun Kaspar received $12,279 in industry payments from 2016 to 2025
CMS Open Payments shows 50 general payments to Dr. Kaspar from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 40% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $9,289.
General payments to Dr. Kaspar by program year, 2016 to 2025
General payments to Dr. Kaspar by kind, 2016 to 2025
- Consulting fees$4,89540%
- Speaker and faculty fees$4,28135%
- Food and beverage$2,66222%
- Travel and lodging$3723%
- Education$691%
Companies that paid Dr. Kaspar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Braun Kaspar graduated from University of Texas Medical School at San Antonio
Dr. Kaspar graduated from University of Texas Medical School at San Antonio in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Braun Kaspar'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. Matthew Braun Kaspar
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. Matthew Braun Kaspar's NPI number?
Dr. Matthew Braun Kaspar's NPI number is 1275853319. It was assigned on June 10, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Braun Kaspar?
Dr. Matthew Braun Kaspar is a gastroenterologist in Green Bay, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Matthew Braun Kaspar practice?
Dr. Kaspar practices at 744 S Webster Ave, Green Bay, WI 54301. Dr. Kaspar's primary practice is Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health. Dmand AI also links Dr. Kaspar to 1 hospital, 3 group practices and clinics, 3 medical groups and 1 imaging center.
What is Dr. Matthew Braun Kaspar's office phone number?
The practice phone on file for Dr. Kaspar is (920) 433-3500.
What is Dr. Matthew Braun Kaspar's medical license number?
Dr. Kaspar holds Wisconsin license 77224-20.
Which hospitals is Dr. Matthew Braun Kaspar affiliated with?
Dr. Kaspar practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin. Dmand AI links Dr. Kaspar to 1 more hospital.
What medical group is Dr. Matthew Braun Kaspar part of?
Dr. Kaspar is linked to Bellin Health Heart & Vascular Crystal Falls. Dmand AI links Dr. Kaspar to 3 more medical groups.
Does Dr. Matthew Braun Kaspar accept Medicare?
Yes. CMS data shows Dr. Kaspar billed Medicare for 272 services in 2024, and Dr. Kaspar accepts Medicare assignment.
How many Medicare patients does Dr. Matthew Braun Kaspar see?
CMS counts 212 Medicare patients who saw Dr. Kaspar in 2024, with an average age of 70.
What services does Dr. Matthew Braun Kaspar bill to Medicare?
In 2024, Dr. Kaspar's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and surgery: digestive system (43248).
Show 4 more questionsShow fewer questions
Where did Dr. Matthew Braun Kaspar go to medical school?
Dr. Kaspar graduated from University of Texas Medical School at San Antonio in 2010.
What drugs does Dr. Matthew Braun Kaspar prescribe most?
In 2024 Medicare Part D data, Dr. Kaspar's most prescribed drugs by claims were Peg 3350-Electrolyte, Sod Sulf-Potass Sulf-Mag Sulf and Pantoprazole Sodium.
Has Dr. Matthew Braun Kaspar received payments from drug or device companies?
CMS Open Payments shows $12,279 in general payments to Dr. Kaspar from 12 companies from 2016 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Matthew Braun Kaspar been practicing?
Dr. Kaspar graduated from medical school in 2010, 16 years ago.
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