Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David S. Hemmer, M.D.
Specialist in St Charles, IL · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710984729
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Registry record
Entity type Individual (Type 1)
Name Dr. David S. Hemmer
Credential M.D.
Sex Male
Practice address 2210 Dean St Ste L, St Charles, IL, 60175
Phone (630) 461-9833
Fax (847) 741-8587
Enumeration date Jul 5, 2005
Last updated in NPPES Dec 14, 2021
Taxonomy & licenses
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 |
|---|---|---|---|
| 036052972 | 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.
Frequently asked questions
Where does David Hemmer practice?
The practice location on file with NPPES is in St Charles, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Hemmer?
The National Provider Identifier (NPI) for David Hemmer is 1710984729, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-14.