CHRIS KONSTANTINOU MD
NPI 1346246162
Internal Medicine - Cardiovascular Disease in Madison, WI

Active since June 27, 2005PECOS EnrolledAccepts Medicare Assignment
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-1530(608) 265-8887 Get Directions Write a Review

NPPES record last updated: January 26, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 26, 2021, May 4, 2020 (2 updates tracked since 2020).

About Chris Konstantinou Md NPPES

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

CHRIS KONSTANTINOU MD (NPI 1346246162) is an individual cardiovascular disease provider in Madison, Wisconsin, licensed in Wisconsin (72389-20) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Beaver Dam (mmc-bd), and is a graduate of Ohio State University College Of Medicine (1989).

NPPES Registry Identity

NPI1346246162
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameCHRIS KONSTANTINOUCredential: MD
Location Address600 HIGHLAND AVEMadison, WI 53792-3399
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Fax(608) 265-8887
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 1989
Enumeration DateJune 27, 2005
Last NPPES UpdateJanuary 26, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2021
✔ NPI 1346246162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in WI · 72389-20
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal Medicine · Clinical Cardiac ElectrophysiologyTaxonomy 207RC0001X · License 72389-20 (WI)
Also ListedNuclear Medicine · Nuclear Imaging & TherapyTaxonomy 207UN0902X · License 72389-20 (WI)
600 HIGHLAND AVE, Madison, WI 53792

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Chris Konstantinou Md 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 ID9335198423
PECOS Enrollment IDI20200424002313
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Chris Konstantinou reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
Rural Health
28 COMMERCE ST
Wisconsin Dells, WI 53965
  • Reassigned Medicare billing, Wisconsin enrollment
  • 189 clinicians in this Medicare group
Critical Access
333 E 2ND ST
Richland Center, WI 53581
  • Reassigned Medicare billing, Wisconsin enrollment
  • 109 clinicians in this Medicare group
Cardiovascular Disease
35 CREEK RD
Irvine, CA 92604
  • Reassigned Medicare billing, California enrollment
  • 45 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 25

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
827 services702 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
168 services168 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
132 services132 patients
Heart muscle strain imaging 93356
Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.
72 services72 patients
Heart muscle strain imaging 93356
Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.
66 services66 patients
Electrocardiogram (ecg) 2-day continuous with review and report by health care professional 93224
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. In a 2-day continuous ECG, sensors attached to your chest monitor your heart's rhythm over 48 hours. A healthcare professional then reviews the data to identify any irregularities.
62 services62 patients

Hospital Affiliations CMS Care Compare 5

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

Marshfield Medical Center - Beaver Dam (mmc-Bd)

Acute Care Hospitals · Beaver Dam, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520076
Location707 S University AveBeaver Dam, WI 53916 · Dodge County
Emergency services Birthing friendly

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

Mile Bluff Medical Center

Acute Care Hospitals · Mauston, WI
OwnershipProprietary
CMS Certification Number520109
Location1050 Division StMauston, WI 53948 · Juneau County
Emergency services Birthing friendly

Richland Hospital

Critical Access Hospitals · Richland Center, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521341
Location333 E Second StRichland Center, WI 53581 · Richland County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792

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 Chris Konstantinou's NPI number?

The NPI number for Chris Konstantinou is 1346246162. It was assigned to this individual provider in the NPPES registry on June 27, 2005.

Where is Chris Konstantinou located?

Chris Konstantinou practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-1530.

What is Chris Konstantinou's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Chris Konstantinou enrolled in Medicare?

Yes. Chris Konstantinou 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.

Which organizations bill Medicare for Chris Konstantinou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chris Konstantinou reassigns Medicare benefits to 4 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Mile Bluff Medical Center Inc (Wisconsin Dells, WI), Richland Hospital (Richland Center, WI) and Pacific Cardiovascular Associates Medical Group, Inc. (Irvine, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chris Konstantinou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chris Konstantinou accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners, Quartz and Security Health Plan list Chris Konstantinou 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 Chris Konstantinou affiliated with any hospitals?

According to CMS data, Chris Konstantinou is affiliated with Marshfield Medical Center - Beaver Dam (mmc-Bd), Unitypoint Health - Meriter, University Of Wi Hospitals & Clinics Authority, Mile Bluff Medical Center and Richland Hospital.

When was this NPI record last updated?

The NPPES record for Chris Konstantinou was last updated on January 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.