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NEPHROLOGY & INTERNAL MEDICINE, INC.
NPI 1013943109
Internal Medicine - Nephrology in Indianapolis, IN

Active since June 23, 2006CLIA Certified · 5 labs
5540 S EAST STREET, SUITE 100, INDIANAPOLIS, IN 46227(317) 634-0920(317) 634-0921 Get Directions Write a Review

NPPES record last updated: March 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 14, 2025, Jul 21, 2022, Jun 5, 2020 and 2 more (5 updates tracked since 2017).

About Nephrology & Internal Medicine, Inc. NPPES

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

NEPHROLOGY & INTERNAL MEDICINE, INC. (NPI 1013943109), doing business as Indiana Kidney Institute, is a healthcare organization registered as a nephrology in Indianapolis, Indiana and active in the NPI registry since June 2006. The organization holds 5 active CLIA laboratory certificates and lists Nancy Regina Baird, C.e.o., as its authorized official.

NPPES Registry Identity

NPI1013943109
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameNEPHROLOGY & INTERNAL MEDICINE, INC.
Location Address5540 S EAST STREET, SUITE 100Indianapolis, IN 46227
Mailing Address120 W 22nd StreetOak Brook, IL 60523 · (630) 573-5000 · Fax (630) 368-0280
Phone(317) 634-0920
Fax(317) 634-0921
Organization SubpartNo
Authorized OfficialNancy Regina BairdC.e.o. · (317) 924-8425
Enumeration DateJune 23, 2006
Last NPPES UpdateMarch 14, 20255 updates tracked since enumeration
NPPES CertifiedMarch 14, 2025
✔ NPI 1013943109 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 IN · -001
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.

5540 S EAST STREET, Indianapolis, IN 46227
Open in Google Maps ↗

Other Names 1

Doing Business AsIndiana Kidney Institute

Other Identifiers 1

Medicaid100061370IN

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA 5

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 15D0948410

Nephrology & Internal Medicine, Inc · Indianapolis, IN
Active · expires Jul 8, 2028
CLIA Number15D0948410
Laboratory TypePhysician Office
Certificate Effective DateJuly 9, 2026
Certificate Expiration DateJuly 8, 2028
Laboratory DirectorJeremy Wittenborn
Laboratory Phone(317) 924-8425
Laboratory LocationNephrology & Internal Medicine, Inc6820 Parkdale Place #105, Indianapolis, IN 46254
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 15D2037977

Nephrology & Internal Medicine, Inc · Greencastle, IN
Active · expires Mar 8, 2028
CLIA Number15D2037977
Laboratory TypePhysician Office
Certificate Effective DateMarch 9, 2026
Certificate Expiration DateMarch 8, 2028
Laboratory DirectorNancy R. Baird
Laboratory Phone(317) 924-8425
Laboratory LocationNephrology & Internal Medicine, Inc1542 S Bloomington St, Greencastle, IN 46135
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 15D2067575

Nephrology & Internal Medicine, Inc · Fishers, IN
Active · expires Oct 17, 2027
CLIA Number15D2067575
Laboratory TypePhysician Office
Certificate Effective DateOctober 18, 2025
Certificate Expiration DateOctober 17, 2027
Laboratory DirectorDr. Nancy R. Baird
Laboratory Phone(317) 924-8425
Laboratory LocationNephrology & Internal Medicine, Inc13648 Olivia Way, Ste B, Fishers, IN 46037
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 15D2067580

Nephrology & Internal Medicine, Inc · Indianapolis, IN
Active · expires Oct 17, 2027
CLIA Number15D2067580
Laboratory TypePhysician Office
Certificate Effective DateOctober 18, 2025
Certificate Expiration DateOctober 17, 2027
Laboratory DirectorDr. Nancy R. Baird
Laboratory Phone(317) 924-8425
Laboratory LocationNephrology & Internal Medicine, Inc9670 E Washington St, Ste 225, Indianapolis, IN 46229
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 15D0353267

Nephrology And Internal Medicine Inc · Indianapolis, IN
Active · expires Aug 31, 2026
CLIA Number15D0353267
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorParishurama S. Reddy
Laboratory Phone(317) 924-8425
Laboratory LocationNephrology And Internal Medicine Inc5510 South East Street Ste H, Indianapolis, IN 46227
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Nephrology & Internal Medicine, Inc.'s NPI number?

The NPI number for Nephrology & Internal Medicine, Inc. is 1013943109. It was assigned to this organization in the NPPES registry on June 23, 2006. The provider is doing business as Indiana Kidney Institute.

Where is Nephrology & Internal Medicine, Inc. located?

Nephrology & Internal Medicine, Inc. is located at 5540 S East Street Suite 100, Indianapolis, IN 46227. The listed phone number is (317) 634-0920.

What is Nephrology & Internal Medicine, Inc.'s specialty?

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

Does Nephrology & Internal Medicine, Inc. hold CLIA laboratory certificates?

Yes. 5 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Nephrology & Internal Medicine, Inc. accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Nephrology & Internal Medicine, Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nephrology & Internal Medicine, Inc. was last updated on March 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.