Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heidee Kalmar, DPM

Foot & Ankle Surgery Podiatrist in Naperville, IL · enumerated 2006.

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

National Provider Identifier

1265408421

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Registry record

Entity type Individual (Type 1)

Name Heidee Kalmar

Credential DPM

Sex Female

Practice address 636 Raymond Dr, Ste 300, Naperville, IL, 60563

Phone (630) 469-9200

Enumeration date Feb 27, 2006

Last updated in NPPES Jan 25, 2011

Taxonomy & licenses

213ES0103X Foot & Ankle Surgery Podiatrist Podiatric Medicine & Surgery Service Providers · License 016004978 (IL) Primary

DPM · Doctor of Podiatric Medicine: A physician specializing in medical and surgical care of the foot and ankle. About the DPM credential

Other identifiers

Identifier	Type	State	Issuer
016004978	Medicaid	IL	-

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 1265408421 active?

Yes, as of the latest NPPES snapshot, NPI 1265408421 is active (record last updated 2011-01-25).

How do I verify Heidee Kalmar's NPI record?

Cross-check NPI 1265408421 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 2011-01-25.