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

Aleyda Maria San Hernandez, MD

Individual provider Internal Medicine Physician · NPI 1609526433

Aleyda Maria San Hernandez, MD is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2022.

Licensed in
IL
In the registry since
2022
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

600 S Paulina St
Chicago, IL 60612-3806
Phone: (312) 864-0540
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 036175266 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125079212 (IL)

Record details

NPI number1609526433
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2022
Last updated in NPPESJuly 7, 2025
Certification dateJune 4, 2025

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