Summary

Dr. Gregory Granzeier specializes in obstetrics and gynecology, bringing 35 years of experience to women's healthcare. He earned his medical degree from New York College of Osteopathic Medicine and completed his residency in obstetrics and gynecology at Lutheran Medical Center. Dr. Granzeier holds board certification in obstetrics and gynecology from the American Board of Obstetrics and Gynecology. He provides care in English.

Dr. Granzeier practices at Mercyhealth in Roscoe, Illinois, where he focuses on comprehensive women's health services. His expertise includes caring for high-risk pregnancies and supporting women who become pregnant after age 30. He also addresses antepartum depression during pregnancy. Dr. Granzeier performs fetal ultrasounds and nonstress tests to monitor both mother and baby throughout pregnancy. Patients have given him an average rating of 4.2 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.2
  • 35 years of experience
  • 18 insurance plans accepted
  • speaks English
  • Lutheran Med Ctr, Obstetrics And Gynecology
  • 12 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 1 office location
  • Male

Office Location

Mercyhealth Roscoe

5000 Prairie Rose Dr.Roscoe, IL 61073
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

Compare with Similar Doctors

Dr. Gregory S Granzeier, DO
Dr. Lyndon Douglas Taylor, MD
Lori Ann Richardson
Jill Diann Weberg
Dr. Gregory S Granzeier, DODr. Lyndon Douglas Taylor, MDLori Ann RichardsonJill Diann Weberg
Obstetrics & GynecologyObstetrics & GynecologyNurse PractitionerNurse Practitioner
Accepts New Patients Accepts New Patients
4.2 
35 Years of Experience 48 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish, Russian Speaks English, Spanish Speaks Spanish, English
Roscoe , ILOAK PARK , ILJanesville , WIRockford , IL
Med School: New York Institute of Technology College of Osteopathic Medicine Med School: Universidad Autonoma De Guadalajara Facultad De Medicina
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Gregory S Granzeier

  • Aetna
  • Aetna Better Health - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - HMO
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of South Carolina
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • CHAMPVA
  • Cigna
  • Clear Spring Health
  • Family Health Network
  • Mercy Care
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Tricare
  • UnitedHealthcare

Medical Specialties

Dr. Gregory S Granzeier has the following specialty

Specialty Expertise

Dr. Gregory S Granzeier has the following 11 areas of expertise

  • Birth Control
  • C-section
  • Child Birth
  • Hot Flashes
  • Infertility
  • Menopause
  • Menstrual Pain
  • Pap Smear
  • Pelvic Exam
  • Pregnancy
  • Women's Health

Certifications, License, & Education

35 Years Experience

BOARD CERTIFICATIONS

American Board of Obstetrics and Gynecology

Obstetrics and Gynecology

MEDICAL LICENSE

Doctor Of Osteopathy, Illinois, 2026, Active

EDUCATION & TRAINING

Residency

Lutheran Med Ctr, Obstetrics And Gynecology
Lutheran Medical Center Program

Medical School

New York Institute of Technology College of Osteopathic Medicine
New York College Of Osteopathic MedicineGraduated in 1991
Ok State University, Coll of Osteo Med, Tulsa, OkGraduated in 1991
Oklahoma State University Center for Health Sciences College of Osteopathic MedicineGraduated in 1991

Similar doctors

Frequently Asked Questions

Does Dr. Gregory Granzeier accept virtual/telehealth appointments?
Dr. Gregory Granzeier has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Gregory Granzeier's office located?
Dr. Gregory Granzeier's office is located at 5000 Prairie Rose Dr., Roscoe, IL, 61073.
How can I make an appointment with Dr. Gregory Granzeier?
You can find contact information for Dr. Gregory Granzeier here on Vitals.
What languages does Dr. Gregory Granzeier speak?
Dr. Gregory Granzeier speaks English.
Does Dr. Gregory Granzeier accept my insurance?
You can see the insurance plans that Dr. Gregory Granzeier accepts on their Vitals profile.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.