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

Mr. Gary Alan Ratkin, MD

Individual provider Hematology & Oncology Physician · NPI 1881607430

Mr. Gary Alan Ratkin, MD is a Hematology & Oncology Physician in St. Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3200 Chouteau Ave Casa De Salud
St. Louis, MO 63103
Phone: (314) 977-1250
Fax: (314) 977-1255
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence R3587 (MO)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence R3587 (MO)

Record details

NPI number1881607430
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESMarch 5, 2015
Mailing address12217 Kingshill Drive, St Louis, MO 63141

Other providers in St. Louis