Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Joseph Grechus, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1831171560

Dr. John Joseph Grechus, MD is an Obstetrics/Gynecology in Farmington, Missouri. Graduated from University of Missouri, Kansas City, School of Medicine in 1983, 43 years ago. Practices with Great Mines Health Center, an 18-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
43
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
MO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1103 Weber Rd Ste 203
Farmington, MO 63640-3302
Phone: (573) 756-9107
Fax: (573) 756-9630
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence R5F25 (MO)

Record details

NPI number1831171560
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 17, 2005
Last updated in NPPESDecember 30, 2011
Mailing address1103 Weber Rd Ste 203, Farmington, MO 63640-3302

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Great Mines Health Center — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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