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

Rosel Hirang Calong, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1730174277

Rosel Hirang Calong, MD is an Obstetrics & Gynecology Physician in O Fallon, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

800 E Highway 50
O Fallon, IL 62269-2844
Phone: (618) 632-3518
Fax: (618) 632-9330
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X (IL)

Record details

NPI number1730174277
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 12, 2005
Last updated in NPPESJuly 13, 2026

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