1. Home
  2. Directory
  3. Wisconsin
  4. Madison
  5. Internal Medicine
  6. NPI Profile

MATTHEW WINSTON CALDIS M.D., M.S.
NPI 1922461029
Internal Medicine - Gastroenterology in Madison, WI

Active since April 05, 2016PECOS EnrolledAccepts Medicare Assignment
77.43/100
CMS Quality Rating
750 UNIVERSITY ROW, MADISON, WI 53705(608) 890-5090(608) 890-5049 Get Directions Write a Review

NPPES record last updated: August 8, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 8, 2023, May 12, 2020, Jan 5, 2017 (3 updates tracked since 2017).

About Matthew Winston Caldis M.d., M.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATTHEW WINSTON CALDIS M.D., M.S. (NPI 1922461029) is an individual gastroenterology provider in Madison, Wisconsin, licensed in Wisconsin (68637-20) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and maintains a secondary practice location in Madison.

NPPES Registry Identity

NPI1922461029
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMATTHEW WINSTON CALDISCredential: M.D., M.S.
Location Address750 UNIVERSITY ROWMadison, WI 53705-1311
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Phone(608) 890-5090
Fax(608) 890-5049
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2016
Enumeration DateApril 5, 2016
Last NPPES UpdateAugust 8, 20233 updates tracked since enumeration
NPPES CertifiedAugust 8, 2023
✔ NPI 1922461029 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in WI · 68637-20
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
750 UNIVERSITY ROW, Madison, WI 53705
Open in Google Maps ↗

Secondary Practice Location 1

Location 1600 Highland AveMadison, WI 53792-0001 · Phone (608) 263-8094 · Fax (608) 263-9274

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Matthew Winston Caldis M.d., M.s. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284927831
PECOS Enrollment IDI20230810002967
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
73 services73 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
55 services55 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
42 services42 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
37 services37 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
37 services36 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
35 services35 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unitypoint Health - Meriter

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520089
Location202 S Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.43/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.83
Promoting Interoperability77
Improvement Activities40
Cost62.12

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KIMBERLY E DANIEL M.D.
Internal Medicine (Hepatology)
750 UNIVERSITY ROW
MADISON, WI 53705
Dane County (608) 890-5000
NICOLE BOSCHUETZ M.D.
Internal Medicine (Hepatology)
750 UNIVERSITY ROW
MADISON, WI 53705
Dane County (608) 890-5000
MRS. EMILY JOSEPHINE STAUDT PA-C
Physician Assistant
750 UNIVERSITY ROW
MADISON, WI 53705
Dane County (608) 890-5000
NICOLE MARIE MARX APNP
Nurse Practitioner
750 UNIVERSITY ROW
MADISON, WI 53705
Dane County (608) 890-5090
DR. DANA MICHELLE HAYDEN M.D.
Colon & Rectal Surgery
750 UNIVERSITY ROW
MADISON, WI 53705
Dane County (608) 242-2800
CORA LING SLP
Speech-Language Pathologist
750 UNIVERSITY ROW
MADISON, WI 53705
Dane County (608) 890-5000
LILY ALEXANDRA KATZ SLP
Speech-Language Pathologist
750 UNIVERSITY ROW
MADISON, WI 53705
Dane County (608) 890-5000
SARRA MERRITT
Speech-Language Pathologist
750 UNIVERSITY ROW
MADISON, WI 53705
Dane County (608) 890-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Matthew Caldis's NPI number?

The NPI number for Matthew Caldis is 1922461029. It was assigned to this individual provider in the NPPES registry on April 5, 2016.

Where is Matthew Caldis located?

Matthew Caldis practices at 750 University Row, Madison, WI 53705. The listed phone number is (608) 890-5090.

What is Matthew Caldis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Matthew Caldis enrolled in Medicare?

Yes. Matthew Caldis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Matthew Caldis accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz and 1 other insurer list Matthew Caldis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Matthew Caldis affiliated with any hospitals?

According to CMS data, Matthew Caldis is affiliated with Unitypoint Health - Meriter and University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for Matthew Caldis was last updated on August 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.