Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Nazanin Kheirkhahan, MD
Hospitalist Physician in Alton, IL · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811568504
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Registry record
Entity type Individual (Type 1)
Name Dr. Nazanin Kheirkhahan
Credential MD
Sex Female
Practice address 1 Memorial Dr, Alton, IL, 62002
Phone (618) 463-7240
Fax (618) 463-7216
Enumeration date Jul 5, 2021
Last updated in NPPES Sep 19, 2025
Taxonomy & licenses
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 036167254 (IL) Primary
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 125077973 (IL) Secondary
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
What is the NPI number for Nazanin Kheirkhahan?
The National Provider Identifier (NPI) for Nazanin Kheirkhahan is 1811568504, a Type 1 (individual) record in the CMS NPPES registry.
Where does Nazanin Kheirkhahan practice?
The practice location on file with NPPES is in Alton, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Edward J Harrow Ptr, Alton Pathology Associates Anatomic Pathology & Clinical Pathology Physician · Alton, IL NPI 1659354678 Jeffrey Kiviat Anatomic Pathology & Clinical Pathology Physician · Alton, IL NPI 1205810454 Kevin Reiseck Athletic Trainer · Alton, IL NPI 1649231838 Andrew Renner Athletic Trainer · Alton, IL NPI 1801857347 Drew Dintelmann Athletic Trainer · Alton, IL NPI 1780647842 Annette Raftery Pharmacist · Alton, IL NPI 1619926334 Mary Wehking Pharmacist · Alton, IL NPI 1740239268 Sara Roberts Pharmacist · Alton, IL NPI 1861442667
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-19.