Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sean C Keller

Internal Medicine Physician in Fishers, IN · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1164466421

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Registry record

Entity type Individual (Type 1)

Name Dr. Sean C Keller

Sex Male

Practice address 13100 E 136th St, Ste 1200, Fishers, IN, 46037

Phone (317) 678-3100

Fax (317) 678-3108

Enumeration date Jun 16, 2006

Last updated in NPPES Nov 25, 2020

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 01053956 (IN) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 01053956 (IN) Primary

Other identifiers

Identifier	Type	State	Issuer
200449180	Medicaid	IN	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1164466421 active?

Yes, as of the latest NPPES snapshot, NPI 1164466421 is active (record last updated 2020-11-25).

How do I verify Sean Keller's NPI record?

Cross-check NPI 1164466421 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-25.