Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael John Cook, LMSW
Social Worker in Upper Marlboro, MD · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396694717
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Michael John Cook
Credential LMSW
Sex Male
Practice address 9500 Medical Center Dr Ste 420, Upper Marlboro, MD, 20774
Phone (240) 490-3177
Enumeration date Jan 27, 2026
Last updated in NPPES Jan 27, 2026
Taxonomy & licenses
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 Michael Cook practice?
The practice location on file with NPPES is in Upper Marlboro, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Cook?
The National Provider Identifier (NPI) for Michael Cook is 1396694717, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Ehame Gbesso Professional Counselor · Largo, MD NPI 1669944732 Evolution Therapeutic Health Community/Behavioral Health Agency · Largo, MD NPI 1285203984 Evolution Therapeutic Health Substance Use Disorder Rehabilitation Clinic/Center · Largo, MD NPI 1285203992 Evolution Therapeutic Health Mental Health Clinic/Center (Including Community Mental Health Center) · Largo, MD NPI 1851960553
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-27.