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

Dr. Thomas Frederic Ganz, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1447696802

Dr. Thomas Frederic Ganz, MD is an Obstetrics/Gynecology in Warrenton, Missouri. Graduated from Saint Louis University School of Medicine in 2013, 13 years ago. Practices with SSM Medical Group Inc, a 560-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
13
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2013
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

18800 Schnucks Dr Ste B
Warrenton, MO 63383-1121
Phone: (636) 456-3413
Fax: (636) 379-1297
Show map & directions

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

Additional practice locations (4)

  • 300 Medical Plz Ste 310, Lake St Louis, MO 63367-1484 — (636) 625-2662
  • 1101 Highway K, O Fallon, MO 63366-8431 — (636) 379-6363
  • 301 Caledonia Pkwy Ste 150, O Fallon, MO 63368-6690 — (636) 202-6802
  • 172 Professional Pkwy, Troy, MO 63379-2823 — (636) 462-6106

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 2017010588 (MO)

Record details

NPI number1447696802
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 13, 2013
Last updated in NPPESJune 6, 2025
Certification dateJune 6, 2025
Mailing addressPo Box 955534, Saint Louis, MO 63195-5534

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Ssm Medical Group Inc — 560 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount