Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Michael Whelan, PHD
Psychologist in Greenwood, MS · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053502922
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name William Michael Whelan
Credential PHD
Sex Male
Practice address 2504 Old Browning Road, Greenwood, MS, 38930
Phone (662) 453-6211
Fax (662) 455-8724
Enumeration date Aug 6, 2007
Last updated in NPPES Aug 6, 2007
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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
How do I verify William Whelan's NPI record?
Cross-check NPI 1053502922 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1053502922 active?
Yes, as of the latest NPPES snapshot, NPI 1053502922 is active (record last updated 2007-08-06).
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-06.