Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John William Timothy Jr., MD

Preventive Medicine/Occupational Environmental Medicine Physician in Indianapolis, IN · enumerated 2007.

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

National Provider Identifier

1730213604

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Registry record

Entity type Individual (Type 1)

Name John William Timothy Jr.

Credential MD

Sex Male

Practice address 4747 E 71st St, Indianapolis, IN, 46220

Phone (317) 251-4745

Fax (317) 253-7421

Enumeration date Mar 15, 2007

Last updated in NPPES Mar 31, 2025

Taxonomy & licenses

2083P0500X Preventive Medicine/Occupational Environmental Medicine Physician Allopathic & Osteopathic Physicians · License 01029711A (IN) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

How do I verify John Timothy's NPI record?

Cross-check NPI 1730213604 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1730213604 active?

Yes, as of the latest NPPES snapshot, NPI 1730213604 is active (record last updated 2025-03-31).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-31.