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

Dr. Valerie Kim Nelson-Mason, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1316986508

Dr. Valerie Kim Nelson-Mason, MD is an Obstetrics/Gynecology in Saint Charles, Missouri. Graduated from University of California, San Diego School of Medicine in 1995, 31 years ago. Practices with SSM Health Care St Louis, a 175-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
31
Trained at
University of California, San Diego School of Medicine
Licensed in
MO
In the registry since
2006
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

330 1st Capitol Dr Ste 340
Saint Charles, MO 63301-2835
Phone: (636) 255-3003
Fax: (636) 925-0954
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 2005000368 (MO)

Record details

NPI number1316986508
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 5, 2006
Last updated in NPPESOctober 9, 2014

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Ssm Health Care St Louis — 175 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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