Update this page – If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS.
Individual
JOHN R WIGNESWARAN
Active
Individual
JOHN R WIGNESWARAN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207RN0300X
Nephrology Physician
Primary
080805
OH
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
000000221825
ANTHEM
—
05
—
2306918
—
OH
01
—
2809872
AETNA
—
01
—
310821503033
MEDICARE RAILROAD
—
01
—
3108215037021
UNITED MINE WORKERS
—
01
—
3120003
UHC
—
01
—
D80805
HUMANA
—
Enumeration date
11/23/2005
Last updated
07/13/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up