Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Alan Stoltz, LCSW
Social Worker in Du Bois, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679598924
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Registry record
Entity type Individual (Type 1)
Name Mark Alan Stoltz
Credential LCSW
Sex Male
Practice address 635 Maple Ave, Du Bois, PA, 15801
Phone (814) 375-6379
Fax (814) 375-9320
Enumeration date Jul 13, 2006
Last updated in NPPES Nov 1, 2012
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License CW014010 (PA) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW 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
What is the NPI number for Mark Stoltz?
The National Provider Identifier (NPI) for Mark Stoltz is 1679598924, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Stoltz practice?
The practice location on file with NPPES is in Du Bois, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → John Lobb Psychologist · Du Bois, PA NPI 1528002573 Autumn Keefer Psychologist · Du Bois, PA NPI 1679519326 Sanaa Helmi Child & Adolescent Psychiatry Physician · Du Bois, PA NPI 1215963731 Scott Turkin Psychiatry Physician · Du Bois, PA NPI 1972531333 Edgar Gantalao Psychiatry Physician · Du Bois, PA NPI 1649200411 Bohdan Hrecznyj Psychiatry Physician · Du Bois, PA NPI 1235169004 James Brem Social Worker · Du Bois, PA NPI 1710902069 Sherry Murphy Psychiatric/Mental Health Clinical Nurse Specialist · Du Bois, PA NPI 1578589081
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-11-01.