Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David W Koeper, MD
Nephrology Physician in Neenah, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487698387
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Registry record
Entity type Individual (Type 1)
Name David W Koeper
Credential MD
Sex Male
Practice address 300 N Commercial St, Suite 200, Neenah, WI, 54956
Phone (920) 886-0818
Fax (920) 883-0773
Enumeration date Jun 15, 2006
Last updated in NPPES Feb 10, 2012
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 |
|---|---|---|---|
| 21280500 | Medicaid | WI | - |
| 34168200 | Medicaid | WI | - |
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 Koeper practice?
The practice location on file with NPPES is in Neenah, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Koeper?
The National Provider Identifier (NPI) for David Koeper is 1487698387, 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 2012-02-10.