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

Individual provider Internal Medicine Physician · NPI 1740317155

Gregory Paul Zydiak, MD is an Internal Medicine Physician in Webster Groves, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2007
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

415 Oak Tree Dr
Webster Groves, MO 63119-4848
Phone: (314) 351-6189
Fax: (314) 968-4369
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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 R6E13 (MO)

Record details

NPI number1740317155
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 27, 2007
Last updated in NPPESJuly 8, 2007

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