Dr. Matthew Winston Caldis, MD, MS
- Medicare services, 2024
- 361
- Medicare patients, 2024
- 302
- Part D claims, 2024
- 415
- Publications
- 3
- MIPS score, 2024
- 83
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
Find Dr. Caldis' professional email, personal email and mobile number
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Dr. Matthew Winston Caldis is a gastroenterologist in Madison, Wisconsin
Dr. Caldis practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Caldis' NPI, 1922461029, was assigned on April 5, 2016. Dr. Caldis graduated from George Washington University School of Medicine in 2016. Dr. Caldis holds Wisconsin license 68637-20.
- NPI
- 1922461029NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284927831
- NPI enumeration date
- April 5, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Winston Caldis practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Caldis' primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Matthew Winston Caldis is affiliated with 4 sites of care and 1 medical group
Dr. Caldis' primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Caldis is also affiliated with University Hospital. The medical group on file is UW Health. Dmand AI also links Dr. Caldis to 1 more hospital and 1 group practice or clinic, each named with a free account. Dr. Caldis' employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Winston Caldis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Caldis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Winston Caldis is one of 277 gastroenterologists in Wisconsin
Gastroenterology is Dr. Caldis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Caldis is licensed in Wisconsin.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
Gastroenterologists near Dr. Caldis
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 Winston Caldis billed Medicare for 361 services in 2024
CMS data shows 361 Medicare services from Dr. Caldis across 7 procedure codes in 2024, for 302 Medicare patients. Medicare paid $39,987 for them.
Dr. Caldis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 722024: 279288%
- Office and hospital visits
- 2023: 132024: 68423%
- Other services
- 2023: 02024: 14
Where Dr. Caldis' Medicare services took place, 2024
- In an office23164%
- In a facility13036%
Dr. Caldis compared with the Wisconsin median for gastroenterologists, 2024
- Dr. Caldis
- Wisconsin median
- Medicare services
- 361vs 32910% above
- Medicare patients
- 302vs 25817% above
- Part D claims
- 326vs 42924% below
Medians across 278 gastroenterologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Caldis' 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. Caldis and other gastroenterologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Winston Caldis treated 302 Medicare patients in 2024, average age 71
CMS counts 302 Medicare patients who saw Dr. Caldis in 2024. The largest group is 65 to 74, with 154 patients. 65% of them have high blood pressure, and 61% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Caldis' median patient age at 62, with 53% women.
Dr. Caldis' Medicare patients by age, 2024
Dr. Caldis' Medicare patients by sex, 2024
- Women16956%
- Men13344%
Chronic conditions among Dr. Caldis' Medicare patients, 2024
- High blood pressure65%
- High cholesterol61%
- Arthritis37%
- Anxiety33%
- Mood disorders31%
- Depression27%
- Ischemic heart disease23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Caldis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Winston Caldis wrote 415 Medicare Part D claims in 2024
In 2024, Dr. Caldis wrote 415 Medicare Part D claims for 286 patients. 84% of them were for generic drugs. CMS names the drug for 326 of them, across 7 drugs with 11 or more claims each, at $817,124 in total drug cost. In 2023, CMS named 36 claims across 1 drug.
Dr. Caldis' Part D claims by kind of drug, 2024
- Generic348 claims84%
- Brand-name67 claims16%
Dr. Caldis' 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: 362024: 326806%
Drugs named by CMS: 7 in 2024, 1 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 Winston Caldis scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Caldis for performance year 2024, reported as part of a group. Dr. Caldis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Caldis as offering telehealth. CMS counts 129 procedures of colonoscopy by Dr. Caldis, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Caldis' MIPS scores, performance year 2024
- 83of 100Final score
- 87.8of 100Quality
- 77of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Caldis ranks in Medicare procedure volume
- Colonoscopy
- 86th percentile129 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 80th percentile121 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Matthew Winston Caldis has 3 publications on record
Dmand AI links 3 papers to Dr. Caldis, published from 2017 to 2022. Dr. Caldis' most frequent co-authors are Deepak V. Gopal, MD, Jeffrey Alan Hubers, MD and Alexander S. Lee, MD.
Dr. Caldis' most frequent co-authors
- Deepak V. Gopal, MD1 shared paper
- Jeffrey Alan Hubers, MD1 shared paper
- Alexander S. Lee, MD1 shared paper
Recent publications by Dr. Caldis
Minerva Gastroenterol Dietol
See who Dr. Caldis researches with
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Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew Winston Caldis graduated from George Washington University School of Medicine
Dr. Caldis graduated from George Washington University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Winston Caldis'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Winston Caldis
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 Winston Caldis' NPI number?
Dr. Matthew Winston Caldis' NPI number is 1922461029. It was assigned on April 5, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Winston Caldis?
Dr. Matthew Winston Caldis is a gastroenterologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Matthew Winston Caldis practice?
Dr. Caldis practices at 600 Highland Ave, Madison, WI 53792. Dr. Caldis' primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dmand AI also links Dr. Caldis to 1 hospital and 1 group practice or clinic.
What is Dr. Matthew Winston Caldis' office phone number?
The practice phone on file for Dr. Caldis is (608) 265-1978.
What is Dr. Matthew Winston Caldis' medical license number?
Dr. Caldis holds Wisconsin license 68637-20.
Which hospitals is Dr. Matthew Winston Caldis affiliated with?
Dr. Caldis is affiliated with University Hospital. Dmand AI links Dr. Caldis to 1 more hospital.
What medical group is Dr. Matthew Winston Caldis part of?
Dr. Caldis is linked to UW Health.
Does Dr. Matthew Winston Caldis accept Medicare?
Yes. CMS data shows Dr. Caldis billed Medicare for 361 services in 2024, and Dr. Caldis accepts Medicare assignment.
Does Dr. Matthew Winston Caldis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Caldis as offering telehealth services.
What is Dr. Matthew Winston Caldis' MIPS score?
Dr. Caldis' MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Matthew Winston Caldis see?
CMS counts 302 Medicare patients who saw Dr. Caldis in 2024, with an average age of 71.
What services does Dr. Matthew Winston Caldis bill to Medicare?
In 2024, Dr. Caldis' most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (45380) and surgery: digestive system (43239).
Where did Dr. Matthew Winston Caldis go to medical school?
Dr. Caldis graduated from George Washington University School of Medicine in 2016.
What drugs does Dr. Matthew Winston Caldis prescribe most?
In 2024 Medicare Part D data, Dr. Caldis' most prescribed drugs by claims were Gavilyte-C, Gavilyte-G and Pantoprazole Sodium.
How long has Dr. Matthew Winston Caldis been practicing?
Dr. Caldis graduated from medical school in 2016, 10 years ago.
Does Dr. Matthew Winston Caldis do research?
Dmand AI links 3 publications to Dr. Caldis, published from 2017 to 2022.
Who does Dr. Matthew Winston Caldis publish with?
Dr. Caldis' most frequent co-authors are Deepak V. Gopal, MD (1 shared paper), Jeffrey Alan Hubers, MD (1 shared paper) and Alexander S. Lee, MD (1 shared paper).
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