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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN R WIGNESWARAN MD
NPI 1679556609
Internal Medicine - Nephrology in Dayton, OH

Active since November 23, 2005
455 TURNER RD, DAYTON, OH 45415(937) 208-7930(937) 222-7910 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John R Wigneswaran Md NPPES

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

JOHN R WIGNESWARAN MD (NPI 1679556609) is an individual nephrology provider in Dayton, Ohio, licensed in Ohio (080805) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1679556609
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameJOHN R WIGNESWARANCredential: MD
Location Address455 TURNER RDDayton, OH 45415-3630
Mailing Address1 Elizabeth Pl, Suite 190Dayton, OH 45408-1445 · (937) 222-3118 · Fax (937) 222-1436
Phone(937) 208-7930
Fax(937) 222-7910
Sole ProprietorNo
Enumeration DateNovember 23, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1679556609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in OH · 080805
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
455 TURNER RD, Dayton, OH 45415
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Other Identifiers 7

Other310821503033Medicare Railroad
Other000000221825Anthem
Other2809872Aetna
Other3120003Uhc
Other3108215037021United Mine Workers
Medicaid2306918OH
OtherD80805Humana

Other Providers at the Same Location NPPES 7

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

DANIELLE MARIE WASHINGTON MSW
Social Worker (Clinical)
455 TURNER RD
DAYTON, OH 45415
Montgomery County (937) 278-7861
BASTROP DIALYSIS LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
455 TURNER RD, STE A
DAYTON, OH 45415
Montgomery County (937) 278-7861
DEBORAH LYNN BURTON RN
Internal Medicine (Nephrology)
455 TURNER RD
DAYTON, OH 45415
Montgomery County (937) 496-5162
MACKENZIE AHLUM RD, LD
Dietitian, Registered (Nutrition, Renal)
455 TURNER RD
DAYTON, OH 45415
Montgomery County (937) 278-7861
MELISSA SCHNELL M.D.
Internal Medicine (Nephrology)
455 TURNER RD
DAYTON, OH 45415
Montgomery County (937) 496-5162
DIALYSIS CENTERS OF DAYTON, LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
455 TURNER RD
DAYTON, OH 45415
Montgomery County (937) 499-8850
AUGUSTUS K. EDUAFO M.D.
Internal Medicine (Nephrology)
455 TURNER RD
DAYTON, OH 45415
Montgomery County (937) 496-5162

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 Wigneswaran's NPI number?

The NPI number for John Wigneswaran is 1679556609. It was assigned to this individual provider in the NPPES registry on November 23, 2005.

Where is John Wigneswaran located?

John Wigneswaran practices at 455 Turner Rd, Dayton, OH 45415. The listed phone number is (937) 208-7930.

What is John Wigneswaran's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for John Wigneswaran was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.