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

Individual provider Internal Medicine Physician · NPI 1851325203

Mrs. Sandy Oh, MD is an Internal Medicine in Arlington Heights, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1995, 31 years ago. Practices with Arlington Heights Internal Medicine SC, a 3-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
31
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IL
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

1606 N Arlington Heights Rd
Arlington Heights, IL 60004-3908
Phone: (847) 797-8900
Fax: (847) 797-8908
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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 03609778 (IL)

Record details

NPI number1851325203
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 10, 2006
Last updated in NPPESMarch 10, 2009

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1995 (31 years in practice)
Group practice Arlington Heights Internal Medicine Sc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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