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

Frank S Calandrino Jr MD LLC

Organization Critical Care Medicine (Internal Medicine) Physician · NPI 1053257006

Frank S Calandrino Jr MD LLC is a Critical Care Medicine (Internal Medicine) Physician in Saint Charles, Missouri. Registered with an NPI since 2026.

In the registry since
2026
Specialties on file
3
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

300 1st Capitol Dr
Saint Charles, MO 63301-2844
Phone: (314) 330-8616
Fax: (636) 333-4510
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X

Record details

NPI number1053257006
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Frank Calandrino — Owner, Physician · (314) 330-8616
NPI enumeratedApril 23, 2026
Last updated in NPPESMay 29, 2026
Certification dateMay 29, 2026
Mailing addressPo Box 31038, Des Peres, MO 63131-0038

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