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

Individual provider Internal Medicine Physician · NPI 1649252552

Stanley Vriezelaar, MD is an Internal Medicine in Saint Louis, Missouri. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1981, 45 years ago. Practices with American Multispecialty Group Inc, a 118-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
45
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
MO
In the registry since
2005
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

1027 Bellevue Ave Ste 107
Saint Louis, MO 63117-1851
Phone: (314) 645-3743
Fax: (314) 647-7967
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence R4D79 (MO)

Record details

NPI number1649252552
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 16, 2005
Last updated in NPPESOctober 1, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice American Multispecialty Group Inc — 118 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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