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
Mailing address1606 N Arlington Heights Rd, Arlingotn Heights, IL 60004

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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