Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Wayne Michael Sliwa, EDD
Psychologist in Davenport, IA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1215957618
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Wayne Michael Sliwa
Credential EDD
Sex Male
Practice address 2102 E 38th St, Davenport, IA, 52807
Phone (563) 359-4049
Fax (563) 359-4069
Enumeration date Jul 20, 2006
Last updated in NPPES Apr 12, 2013
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 071-002353 (IL) Secondary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0012096 | Medicaid | IA | - |
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 Wayne Sliwa?
The National Provider Identifier (NPI) for Wayne Sliwa is 1215957618, a Type 1 (individual) record in the CMS NPPES registry.
Where does Wayne Sliwa practice?
The practice location on file with NPPES is in Davenport, IA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Robert Koupal Clinical Social Worker · Davenport, IA NPI 1174516991 Kimberly Riley-Quinn Clinical Social Worker · Davenport, IA NPI 1174511950 Joseph Cress Psychologist · Davenport, IA NPI 1669458063 Elizabeth Lonning Psychologist · Davenport, IA NPI 1568434603 Mary Hughes-Paulline Clinical Social Worker · Davenport, IA NPI 1689649063 Katherine Vanblair Marriage & Family Therapist · Davenport, HI NPI 1346209855 Jolene Atkinson Clinical Social Worker · Davenport, IA NPI 1326093725 Psychology Health Group Psychologist · Davenport, IA NPI 1629090675
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-12.