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

Nader Ismail, DO

Individual provider Nephrology Physician · NPI 1689135618

Nader Ismail, DO is a Nephrology in Merrillville, Indiana. Qualified in 2019, 7 years ago. Practices with Nephrology Associates of Northern Indiana PC, a 64-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
7
Licensed in
IL, IN
In the registry since
2019
Specialties on file
2
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

90 W 86th Ave
Merrillville, IN 46410-7086
Phone: (219) 791-1555
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5615 Us Highway 6, Portage, IN 46368-5213 — (219) 462-6001

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 02007817A (IN)
Nephrology Physician Taxonomy 207RN0300X · Licence 036.161002 (IL)

Record details

NPI number1689135618
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 31, 2019
Last updated in NPPESJune 19, 2025
Certification dateJune 19, 2025
Mailing address120 W 22nd St, Oak Brook, IL 60523-1557

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Nephrology Associates Of Northern Indiana Pc — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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