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

Individual provider Internal Medicine Physician · NPI 1932367646

Carlos Andres Nieto Fonseca, MD is an Internal Medicine in Pittsburgh, Pennsylvania. Qualified in 2003, 23 years ago. Practices with Bexar Physician Services, PLLC, a 22-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
23
Licensed in
PA
In the registry since
2008
Specialties on file
2
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

200 Lothrop St
Pittsburgh, PA 15213-2536
Phone: (570) 259-7944
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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 MT191305 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD440423 (PA)

Record details

NPI number1932367646
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 29, 2008
Last updated in NPPESAugust 26, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Bexar Physician Services, Pllc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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