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

Individual provider Pediatric Rheumatology Physician · NPI 1912352931

George Vieweg Thieroff III, MD is a Pediatric Medicine in Saint Louis, Missouri. Qualified in 2016, 10 years ago. Practices with SSM Health Care Group, a 923-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
10
Licensed in
MO
In the registry since
2016
Specialties on file
3
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

1465 S Grand Blvd
Saint Louis, MO 63104-1003
Phone: (314) 633-7365
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1201 S Grand Blvd, Saint Louis, MO 63104-1016 — (314) 633-7365
  • 1250 E Marshall St, Richmond, VA 23298-5051 — (804) 828-9357

Specialties & licences

Pediatric Rheumatology Physician (primary) Taxonomy 2080P0216X · Licence 2025040384 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2025040384 (MO)
Rheumatology Physician Taxonomy 207RR0500X · Licence 2025040384 (MO)

Record details

NPI number1912352931
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 27, 2016
Last updated in NPPESOctober 6, 2025
Certification dateOctober 6, 2025

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Ssm Health Care Group — 923 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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