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

Joseph Santiesteban MD and Associates LLC

Organization Internal Medicine Physician · NPI 1144618422

Joseph Santiesteban MD and Associates LLC is an Internal Medicine Physician in Pittsburgh, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2015.

Licensed in
PA
In the registry since
2015
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

5426 Mifflin Rd
Pittsburgh, PA 15207-2350
Phone: (412) 462-1800
Fax: (412) 462-5006
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD039877L (PA)

Record details

NPI number1144618422
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jospeh Santiesteban — Owner · (412) 642-1800
NPI enumeratedJanuary 8, 2015
Last updated in NPPESJanuary 8, 2015
Mailing address5426 Mifflin Rd, Pittsburgh, PA 15207-2350

Other providers in Pittsburgh