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

Joseph A Santiesteban, MD

Individual provider Internal Medicine Physician · NPI 1568441756

Joseph A Santiesteban, MD is an Internal Medicine in Pittsburgh, Pennsylvania. Qualified in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
45
Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5426 Mifflin Rd
Pittsburgh, PA 15207-2350
Phone: (412) 462-1800
Fax: (412) 462-5006
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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 number1568441756
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 16, 2006
Last updated in NPPESMarch 20, 2026
Certification dateMarch 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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