George Vieweg Thieroff, MD
Pediatric Rheumatology Physician · Saint Louis, MO
George Vieweg Thieroff, MD is a pediatric rheumatology physician with a practice address in Saint Louis, Missouri, and NPI 1912352931, issued on Apr 27, 2016. Check the license (Missouri 2025040384, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- George Vieweg Thieroff
- Credential
- MD
- Primary taxonomy
- Pediatric Rheumatology Physician 2080P0216X
- License number
- 2025040384 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1465 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 633-7365
- Enumerated
- Apr 27, 2016
- Record last updated
- Oct 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20251006001018); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric rheumatology physician records → All 29 in Missouri → Look up another NPI →
Also registered at 1465 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nabil Abboud, MDAnesthesiology Physician1386660504
- Elaf AbdelmagidPediatrics Physician1831077627
- Michel Adonis, M.D.Pediatrics Physician1497190854
- Attila Ahmad, MDPediatric Cardiology Physician1245842699
- Emily Ahmad, CPNP-PCPediatric Nurse Practitioner1871875104
- Muteen Ahmed, M.B.B.S.Student in an Organized Health Care Education/Training Program1437950466
Verify George Vieweg Thieroff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2025040384Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average pediatric rheumatology physician in 2024
350 Medicare Part D claims for 82 beneficiaries, against an average of 149 among the 71 providers of this specialty who prescribed in Part D.
Most prescribed
- Methotrexate64 claims
- Prednisone36 claims
- Hydroxychloroquine Sulfate30 claims
- Humira(Cf) Pen16 claims
- Enbrel Sureclick14 claims
- Folic Acid14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $99.00
1 payment: education; the largest payer was Janssen Biotech, Inc. The 185 providers of this specialty with any payment received $2,646.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George Vieweg Thieroff among 29 pediatric rheumatology physician records in Missouri
George Vieweg Thieroff, MD is one of 29 pediatric rheumatology physician records with a practice address in Missouri. 52% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 72% of them.
- NPI issued2016 · 72% of these records are older, 17% newer
- In a Medicare fileYes · 52% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Record last updated2025 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0216X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Rheumatology Physician providers in Missouri
There are 29 pediatric rheumatology physician records in Missouri.
All 29 in Missouri → Every provider in Saint Louis → Pediatric Rheumatology Physician nationwide →
The 8 pediatric rheumatology physician records with the nearest ZIP codes
- Austin Dalrymple, D.O.Saint Louis, MO 631041770718579
- Kevin Baszis, MDSaint Louis, MO 631101366628349
- Tarin Bigley, MDSaint Louis, MO 631101912357989
- Megan Cooper, MDSaint Louis, MO 631101245405604
- Leslie Fogel, MDSaint Louis, MO 631101972953115
- Lampros Fotis, MDSaint Louis, MO 631101417381237
- Anthony French, MDSaint Louis, MO 631101528084746
- Maleewan Kitcharoensakkul, MDSaint Louis, MO 631101609031558
Common questions
What is George Vieweg Thieroff, MD's NPI number?
George Vieweg Thieroff, MD's National Provider Identifier (NPI) is 1912352931, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is George Vieweg Thieroff, MD located?
The NPPES record lists a practice address at 1465 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 633-7365. Providers update this record themselves, so call before visiting.
How can I verify George Vieweg Thieroff, MD's license?
NPPES lists Missouri license number 2025040384, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does George Vieweg Thieroff, MD prescribe under Medicare Part D?
In 2024, George Vieweg Thieroff, MD had 350 Medicare Part D claims for 82 beneficiaries; the average among pediatric rheumatology physician prescribers was 149. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.