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

Sara Elizabeth Tan Yap, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1225514334

Sara Elizabeth Tan Yap, MD is an Endocrinology in Bourbonnais, Illinois. Qualified in 2015, 11 years ago. Practices with Riverside Health System, a 205-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
11
Licensed in
IL
In the registry since
2018
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

100 Fitness Dr
Bourbonnais, IL 60914-9584
Phone: (815) 936-8909
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 036162611 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125.071666 (IL)

Record details

NPI number1225514334
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2018
Last updated in NPPESSeptember 8, 2023
Certification dateSeptember 8, 2023

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Riverside Health System — 205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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