Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Daniel Mark Stein, M.D.
Urology Physician in Chicago, IL · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841447513
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Registry record
Entity type Individual (Type 1)
Name Dr. Daniel Mark Stein
Credential M.D.
Sex Male
Practice address 303 E Chicago Ave Ste 16-703, Chicago, IL, 60611
Phone (312) 503-3238
Enumeration date Aug 25, 2008
Last updated in NPPES May 29, 2014
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 Daniel Stein practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Daniel Stein?
The National Provider Identifier (NPI) for Daniel Stein is 1841447513, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-29.