Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Joseph B Koscielniak Jr., MD

Individual provider Specialist · NPI 1841299468

Dr. Joseph B Koscielniak Jr., MD is an Orthopedic Surgery in Merrillville, Indiana. Graduated from Indiana University School of Medicine in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
47
Trained at
Indiana University School of Medicine
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

5587 Broadway
Merrillville, IN 46410-2632
Phone: (219) 887-9506
Fax: (219) 884-3761
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 01028974 (IN)

Record details

NPI number1841299468
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 15, 2005
Last updated in NPPESJanuary 12, 2012

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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