Summary

Dr. John Grechus is a board-certified obstetrician and gynecologist who has dedicated over four decades to women's healthcare. He earned his medical degree from the University of Missouri-Kansas City School of Medicine and completed his residency training at Truman Medical Center. With 43 years of clinical experience, Dr. Grechus brings extensive knowledge to his practice. He provides care in English to patients throughout the region.

Dr. Grechus maintains affiliations with several respected healthcare facilities, including Missouri Baptist Medical Center, Parkland Health Center, Washington County Memorial Hospital, and Barnes Jewish Saint Peters Hospital, with practice locations in Potosi and Saint Peters, Missouri. His clinical expertise includes managing high blood pressure conditions and providing specialized care for hypertensive emergencies. He performs endometrial biopsies for diagnostic purposes and offers preventive services such as flu vaccinations and depression screenings. Patients have rated Dr. Grechus an average of 2.9 out of 5 stars on Vitals.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.9
  • 43 years of experience
  • speaks English
  • Truman Medical Center
  • 4 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 5 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. John Joseph Grechus has 4 locations

Great Mines Health Center

1 Southtowne DrPotosi, MO 63664
Mon8:00 am - 6:00 pm
Tue8:00 am - 6:00 pm
Wed8:00 am - 6:00 pm
Thu8:00 am - 6:00 pm
Fri8:00 am - 6:00 pm
Sat8:00 am - 1:00 pm
SunClosed

Washington County Memorial Hospital

300 Health Way DrPotosi, MO 63664

Missouri Baptist Medical Center

3015 N Ballas RdSaint Louis, MO 63131

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Dr. John Joseph Grechus, MD
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Dr. John Joseph Grechus, MDDr. Shannon Clarke Nedelka, MDDr. David Gross Yahnke, MDDr. Luis Roland Mertins, MD
Obstetrics & GynecologyDiagnostic RadiologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients
2.9 
4.2 
43 Years of Experience 28 Years of Experience 60 Years of Experience 41 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks French, Spanish Speaks English
Potosi , MOBelleville , ILFarmington , MOFarmington , MO
Med School: University Of Missouri-Kansas City School Of Medicine Med School: University Of Texas Medical Branch At Galveston Med School: Indiana University Med School: Universidad Francisco Marroquin Facultad De Medicina
Current Profile
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Insurance Plans Accepted by Dr. John Joseph Grechus

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John Joseph Grechus has the following specialty

Specialty Expertise

Dr. John Joseph Grechus 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

43 Years Experience

Dr. John Joseph Grechus holds an expired medical license in the state of Missouri.

Medical License

Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.

Education & Training

Residency

Completed their residency at Truman Medical Center.

Medical School

Graduated from University Of Missouri-Kansas City School Of Medicine in 1983.

NPI Number

Dr. Grechus' NPI number is 1831171560.

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Frequently Asked Questions

Is Dr. John Grechus accepting new patients?
Dr. John Grechus is accepting new patients on Vitals. View Dr. John Grechus's profile on Vitals to make an appointment.
Does Dr. John Grechus accept my insurance?
You can see the insurance plans that Dr. John Grechus accepts on their Vitals profile.
Which hospitals is Dr. John Grechus affiliated with?
Dr. John Grechus is affiliated with Missouri Baptist Medical Center, Parkland Health Center, Washington County Memorial Hospital, Barnes Jewish Saint Peters Hospital, and Barnes Jewish Saint Peters Hospital.
What languages does Dr. John Grechus speak?
Dr. John Grechus speaks English.
Where is Dr. John Grechus's office located?
Dr. John Grechus's office is located at 1 Southtowne Dr, Potosi, MO, 63664.

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