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

Cara Hahs, MD

Individual provider Surgery Physician · NPI 1427031129

Cara Hahs, MD is a General Surgery in Ballwin, Missouri. Graduated from University of South Carolina School of Medicine in 1997, 29 years ago. Practices with Mercy Clinic St Louis Cancer and Breast Institute LLC, a 10-clinician group and accepts Medicare assignment. Licensed in Indiana and Missouri.

Years since qualifying
29
Trained at
University of South Carolina School of Medicine
Licensed in
IN, MO
In the registry since
2005
Specialties on file
2
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

15945 Clayton Rd Ste 120
Ballwin, MO 63011-2490
Phone: (636) 256-5000
Fax: (636) 256-5100
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 112784 (MO)
Surgery Physician Taxonomy 208600000X · Licence 01057613A (IN)

Record details

NPI number1427031129
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 28, 2005
Last updated in NPPESMarch 2, 2015
Mailing address15945 Clayton Rd, Suite 120, Ballwin, MO 63011-2490

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Mercy Clinic St Louis Cancer And Breast Institute Llc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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