CONSTANTINE WONAIS MD
NPI 1457340267
Internal Medicine in Naperville, IL

Active since October 14, 2005PECOS Enrolled
91.35/100
CMS Quality Rating
2255 MONARCH DR, NAPERVILLE, IL 60563(630) 300-1125(630) 300-1394 Get Directions Write a Review

NPPES record last updated: February 4, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Constantine Wonais Md NPPES

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

CONSTANTINE WONAIS MD (NPI 1457340267) is an individual internal medicine provider in Naperville, Illinois, licensed in Illinois (036062093) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457340267
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCONSTANTINE WONAISCredential: MD
Location Address2255 MONARCH DRNaperville, IL 60563-4164
Mailing Address2255 Monarch DrNaperville, IL 60563-4164 · (630) 300-1125 · Fax (630) 300-1394
Fax(630) 300-1394
Sole ProprietorNo
Enumeration DateOctober 14, 2005
Last NPPES UpdateFebruary 4, 2021
NPPES CertifiedFebruary 4, 2021
NPI 1457340267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 036062093
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2255 MONARCH DR, Naperville, IL 60563

Other Identifiers 2

Medicaid036062093 2IL
Other02222543IL · Bcbs

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Constantine Wonais Md 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 60563 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Power wheelchair, group 2 standard, captains chair, patient weight capacity up to and including 300 pounds K0823
DME-Wheelchairs · category DD009N
1 supplier59 claims59 services$124.84 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 19

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

Clinic/Center (Rehabilitation)
2255 MONARCH DR
NAPERVILLE, IL 60563
Internal Medicine
2255 MONARCH DR
NAPERVILLE, IL 60563
Physical Therapist
2255 MONARCH DR
NAPERVILLE, IL 60563
Internal Medicine
2255 MONARCH DR
NAPERVILLE, IL 60563
Occupational Therapy Assistant
2255 MONARCH DR
NAPERVILLE, IL 60563
Home Health
2255 MONARCH DR
NAPERVILLE, IL 60563
Clinic/Center (Physical Therapy)
2255 MONARCH DR
NAPERVILLE, IL 60563
Occupational Therapist
2255 MONARCH DR
NAPERVILLE, IL 60563

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 Constantine Wonais's NPI number?

The NPI number for Constantine Wonais is 1457340267. It was assigned to this individual provider in the NPPES registry on October 14, 2005.

Where is Constantine Wonais located?

Constantine Wonais practices at 2255 Monarch Dr, Naperville, IL 60563. The listed phone number is (630) 300-1125.

What is Constantine Wonais's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Constantine Wonais enrolled in Medicare?

Yes. Constantine Wonais is registered in the Medicare PECOS enrollment system.

What insurance does Constantine Wonais accept?

Health plans from Anthem Blue Cross and Blue Shield list Constantine Wonais 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.

When was this NPI record last updated?

The NPPES record for Constantine Wonais was last updated on February 4, 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.