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

Leonard Walter Ostrowski Jr., MD

Individual provider Family Medicine Physician · NPI 1881691947

Leonard Walter Ostrowski Jr., MD is a Family Practice in Portage, Indiana. Qualified in 1982, 44 years ago. Practices with Rci (Wrs) LLC, a 330-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
44
Licensed in
IN
In the registry since
2005
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

3125 Willowcreek Rd
Portage, IN 46368-4423
Phone: (219) 762-3175
Fax: (219) 763-3092
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 01033961 (IN)

Record details

NPI number1881691947
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2005
Last updated in NPPESSeptember 14, 2020
Certification dateSeptember 14, 2020

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Rci (Wrs) Llc — 330 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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