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

Dr. Oskar Aleksander Zarnowski, DO

Individual provider Internal Medicine Physician · NPI 1750084893

Dr. Oskar Aleksander Zarnowski, DO is an Internal Medicine in Park Ridge, Illinois. Graduated from Nova Southeastern College of Osteo Medicine in 2023, 3 years ago. Licensed in Illinois.

Years since qualifying
3
Trained at
Nova Southeastern College of Osteo Medicine
Licensed in
IL
In the registry since
2023
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1775 Ballard Rd
Park Ridge, IL 60068-1005
Phone: (847) 318-9340
Fax: (847) 318-2966
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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 036.176388 (IL)

Record details

NPI number1750084893
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 27, 2023
Last updated in NPPESJuly 10, 2026
Certification dateJuly 10, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNOVA SOUTHEASTERN COLLEGE OF OSTEO MEDICINE
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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