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JOHN W CONSTANTAKIS DO
NPI 1669051405
Emergency Medicine in Madison, WI

Active since April 07, 2021PECOS Enrolled
800 UNIVERSITY BAY DR STE 300, MADISON, WI 53705(608) 264-3093 Get Directions Write a Review

NPPES record last updated: September 8, 2023. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Sep 8, 2023, Nov 13, 2022, Apr 15, 2021 and 1 more (4 updates tracked since 2021).

About John W Constantakis Do NPPES

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

JOHN W CONSTANTAKIS DO (NPI 1669051405) is an individual emergency medicine provider in Madison, Wisconsin, licensed in Wisconsin (77601-21) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669051405
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOHN W CONSTANTAKISCredential: DO
Location Address800 UNIVERSITY BAY DR STE 300Madison, WI 53705-2299
Mailing Address800 University Bay Dr Ste 300Madison, WI 53705-2299 · (608) 264-3093
Phone(608) 264-3093
Sole ProprietorNo
Enumeration DateApril 7, 2021
Last NPPES UpdateSeptember 8, 20234 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2023
✔ NPI 1669051405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WI · 77601-21
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 77601-21 (WI)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
800 UNIVERSITY BAY DR STE 300, Madison, WI 53705
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John W Constantakis Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
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.

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 John Constantakis's NPI number?

The NPI number for John Constantakis is 1669051405. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Where is John Constantakis located?

John Constantakis practices at 800 University Bay Dr Ste 300, Madison, WI 53705. The listed phone number is (608) 264-3093.

What is John Constantakis's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is John Constantakis enrolled in Medicare?

Yes. John Constantakis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Constantakis was last updated on September 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.