Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Madhavi N Rao, MD

Internal Medicine Physician in South Barrington, IL · enumerated 2006.

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

National Provider Identifier

1861507568

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Registry record

Entity type Individual (Type 1)

Name Dr. Madhavi N Rao

Credential MD

Sex Female

Practice address 4 Executive Ct, Suite 3, South Barrington, IL, 60010

Phone (847) 756-4500

Fax (847) 756-4501

Enumeration date Aug 20, 2006

Last updated in NPPES Aug 25, 2021

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 036099167 (IL) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 036099167 (IL) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036099167 (IL) Primary

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
203535	Other	IL	PTAN
20013381	Medicaid	IL	-
203536	Other	IL	PTAN
203537	Other	IL	PTAN
036099167	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.

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Frequently asked questions

How do I verify Madhavi Rao's NPI record?

Cross-check NPI 1861507568 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1861507568 active?

Yes, as of the latest NPPES snapshot, NPI 1861507568 is active (record last updated 2021-08-25).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-25.