Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Irene Graziani, MD, PHD

Internal Medicine Physician in Long Grove, IL · enumerated 2011.

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

National Provider Identifier

1043516396

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Registry record

Entity type Individual (Type 1)

Name Dr. Irene Graziani

Credential MD, PHD

Sex Female

Practice address 3880 Salem Lake Dr, Ste F, Long Grove, IL, 60047

Phone (847) 719-2220

Fax (847) 719-2265

Enumeration date Feb 3, 2011

Last updated in NPPES Oct 5, 2023

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 036131271 (IL) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036131271 (IL) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 125060021 (IL) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 0101276087 (VA) Secondary

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

Other identifiers

Identifier	Type	State	Issuer
036131271	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

What is the NPI number for Irene Graziani?

The National Provider Identifier (NPI) for Irene Graziani is 1043516396, a Type 1 (individual) record in the CMS NPPES registry.

Where does Irene Graziani practice?

The practice location on file with NPPES is in Long Grove, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-05.