Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Krystal Waldo, PHD
Psychologist in Mount Pleasant, SC · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629594627
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Registry record
Entity type Individual (Type 1)
Name Krystal Waldo
Credential PHD
Sex Female
Practice address 501 Belle Hall Pkwy Unit 202, Mount Pleasant, SC, 29464
Phone (843) 620-7748
Enumeration date Aug 21, 2017
Last updated in NPPES Jul 12, 2022
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 6301016911 (MI) Primary
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
Where does Krystal Waldo practice?
The practice location on file with NPPES is in Mount Pleasant, SC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Krystal Waldo?
The National Provider Identifier (NPI) for Krystal Waldo is 1629594627, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Joy Wymer Clinical Neuropsychologist · Mount Pleasant, SC NPI 1770568941 Jh Wymer, LLC Clinical Neuropsychologist · Mt Pleasant, SC NPI 1639139462 Kelly Quarles Professional Counselor · Mt Pleasant, SC NPI 1669845293 Ariel Macarran Professional Counselor · Mount Pleasant, SC NPI 1669940474 Best Life Counseling LLC Mental Health Counselor · Mount Pleasant, SC NPI 1942897129 Devan Bowersox School Psychologist · Mount Pleasant, SC NPI 1831943042 Cadie Comeaux School Psychologist · Mount Pleasant, SC NPI 1629822853
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-12.