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

Dr. Gretchen Elizabeth Farmer, MD

Individual provider Pediatrics Physician · NPI 1720283450

Dr. Gretchen Elizabeth Farmer, MD is an Internal Medicine in Union, Missouri. Graduated from Saint Louis University School of Medicine in 2003, 23 years ago. Practices with Mercy Clinic East Communities, a 573-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
23
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1935 Prairie Dell Rd Ste 400
Union, MO 63084-4327
Phone: (636) 649-3085
Fax: (636) 649-3087
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2007005528 (MO)
Pediatrics Physician Taxonomy 208000000X · Licence 2007005528 (MO)

Record details

NPI number1720283450
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2007
Last updated in NPPESJune 24, 2024
Certification dateJune 24, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Mercy Clinic East Communities — 573 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Union