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

Arthur L Ostrowski, MD

Individual provider Internal Medicine Physician · NPI 1740257062

Arthur L Ostrowski, MD is an Internal Medicine in Barrington, Illinois. Qualified in 1982, 44 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
44
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

800 Fox Gln
Barrington, IL 60010-6461
Phone: (847) 382-5850
Fax: (847) 382-5852
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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 (IL)

Record details

NPI number1740257062
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 6, 2006
Last updated in NPPESOctober 18, 2007
Mailing address800 Fox Gln, Barrington, IL 60010-1860

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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