Summary

My philosophy of care is very simple: I care for people the way I would care for my family and friends.

Quick Facts

  • accepting new patients
  • 6 insurance plans accepted
  • speaks English
  • 1 specialty
  • 3 areas of expertise
  • 1 office location
  • Female

Office Location

Mercyhealth Terrace

510 N. Terrace St.Janesville, WI 53548
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Maria Kostantacos, APNP, FNP-BC
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Maria Kostantacos, APNP, FNP-BCSUSAN K IPSENPatricia Irene EraDr. Terra E Green
Nurse PractitionerPreventative MedicineNurse PractitionerNurse Practitioner
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks Chinese, Spanish, English, French
Janesville , WIFort Atkinson , WISidney , MTBeloit , WI
Current Profile
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Insurance Plans Accepted by Maria Kostantacos

  • Allegiance Life and Health
  • Blue Cross Blue Shield of Illinois
  • Humana
  • Mercy Care
  • Molina Healthcare - Medicaid (Managed)
  • UnitedHealthcare

Medical Specialties

Maria Kostantacos has the following specialty

Specialty Expertise

Maria Kostantacos has the following 3 areas of expertise

  • Family Medicine
  • Licensed Practical Nurse
  • Registered Nurse

Certifications, License, & Education

MEDICAL LICENSE

Nurse Practitioner, Wisconsin, 2026, Active

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Frequently Asked Questions

Does Maria Kostantacos accept virtual/telehealth appointments?
Maria Kostantacos has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Maria Kostantacos?
You can find contact information for Maria Kostantacos here on Vitals.
What languages does Maria Kostantacos speak?
Maria Kostantacos speaks English.
Where is Maria Kostantacos's office located?
Maria Kostantacos's office is located at 510 N. Terrace St., Janesville, WI, 53548.
Does Maria Kostantacos accept my insurance?
You can see the insurance plans that Maria Kostantacos accepts on their Vitals profile.

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