IndividualActive
John Nighswander, MD
NPI 1124095583 · Internal Medicine Physician · Hinsdale, IL
John Nighswander, MD is a Internal Medicine Physician provider in Hinsdale, IL (NPI 1124095583).
Provider details
- NPI number
- 1124095583
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
908 N Elm St
Ste 301
Hinsdale, IL 60521-3635
Phone: (630) 323-3540
Street-level locationGet directions
Mailing address
1860 Paysphere Cir
Chicago, IL 60674-0018
Registry dates
- Enumerated
- 2006-03-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Nighswander's NPI number?
- John Nighswander's National Provider Identifier (NPI) is 1124095583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nighswander's specialty?
- John Nighswander is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Nighswander located?
- John Nighswander's practice location on file with NPPES is 908 N Elm St, Hinsdale, IL 60521-3635.
- What is John Nighswander's phone number?
- The practice phone number listed in the NPPES registry for John Nighswander is (630) 323-3540.
- Is John Nighswander's NPI active?
- Yes — John Nighswander's NPI (1124095583) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.