Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JOHN NIGHSWANDER MD
NPI 1124095583
Internal Medicine in Hinsdale, IL

Active since March 03, 2006
908 N ELM ST, STE 301, HINSDALE, IL 60521(630) 323-3540 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John Nighswander Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN NIGHSWANDER MD (NPI 1124095583) is an individual internal medicine provider in Hinsdale, Illinois and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1124095583
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN NIGHSWANDERCredential: MD
Location Address908 N ELM ST, STE 301Hinsdale, IL 60521-3635
Mailing Address1860 Paysphere CirChicago, IL 60674-0018 · (630) 469-9200
Sole ProprietorNo
Enumeration DateMarch 3, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1124095583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

908 N ELM ST, Hinsdale, IL 60521

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Gerontology)
908 N ELM ST, SUITE 404
HINSDALE, IL 60521
Otolaryngology
908 N ELM ST, SUITE 306
HINSDALE, IL 60521
Dermatology
908 N ELM ST, SUITE 309
HINSDALE, IL 60521
Psychiatry & Neurology (Neurology)
908 N ELM ST, STE 202
HINSDALE, IL 60521
Psychiatry & Neurology (Neurology)
908 N ELM ST, 202
HINSDALE, IL 60521
Pharmacy
908 N ELM ST, SUITE 100
HINSDALE, IL 60521
Surgery
908 N ELM ST, SUITE 310
HINSDALE, IL 60521
Surgery
908 N ELM ST, SUITE 310
HINSDALE, IL 60521

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Nighswander's NPI number?

The NPI number for John Nighswander is 1124095583. It was assigned to this individual provider in the NPPES registry on March 3, 2006.

Where is John Nighswander located?

John Nighswander practices at 908 N Elm St Ste 301, Hinsdale, IL 60521. The listed phone number is (630) 323-3540.

What is John Nighswander's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Nighswander was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.