Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Robert M. Flanigan, M.D.
Surgery Physician in Barrington, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558494849
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Registry record
Entity type Individual (Type 1)
Name Dr. Robert M. Flanigan
Credential M.D.
Sex Male
Practice address 27750 W Il Route 22, Suite 130, Barrington, IL, 60010
Phone (847) 381-6051
Fax (847) 381-6084
Enumeration date Mar 14, 2007
Last updated in NPPES Apr 8, 2008
Taxonomy & licenses
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.
Frequently asked questions
Where does Robert Flanigan practice?
The practice location on file with NPPES is in Barrington, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Robert Flanigan?
The National Provider Identifier (NPI) for Robert Flanigan is 1558494849, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-08.