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

Sam T. Ontiveros, MD

Individual provider Emergency Medicine Physician · NPI 1538522396

Sam T. Ontiveros, MD is an Emergency Medicine Physician in Charleston, South Carolina. Works from 3 locations. Licensed in California and South Carolina.

Licensed in
CA, SC
In the registry since
2016
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 →

Practice location Address checks out

171 Ashley Ave
Charleston, SC 29425-8908
Phone: (843) 792-1414
Show map & directions

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

Additional practice locations (2)

  • 200 W Arbor Dr, San Diego, CA 92103-9000 — (800) 926-8273
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 334-1000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 85834 (SC)
Emergency Medicine Physician Taxonomy 207P00000X · Licence A162448 (CA)

Record details

NPI number1538522396
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2016
Last updated in NPPESOctober 27, 2023
Certification dateMarch 14, 2022

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