Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Mark Lee Blough, PSYD
Psychologist in Monroe, MI · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942589627
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Registry record
Entity type Individual (Type 1)
Name Mr. Mark Lee Blough
Credential PSYD
Sex Male
Practice address 700 Stewart Rd, Ste 105, Monroe, MI, 48162
Phone (734) 240-1765
Fax (734) 240-1787
Enumeration date Aug 11, 2011
Last updated in NPPES Aug 11, 2011
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 6301014288 (MI) Primary
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD 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 Mark Blough practice?
The practice location on file with NPPES is in Monroe, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Blough?
The National Provider Identifier (NPI) for Mark Blough is 1942589627, 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 2011-08-11.