Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Gregory P Dumas, LCSW
Clinical Social Worker in Saco, ME · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548295918
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Registry record
Entity type Individual (Type 1)
Name Mr. Gregory P Dumas
Credential LCSW
Sex Male
Practice address 23 Water St, Suite 4 Saco Bay Counseling, Saco, ME, 04072
Phone (207) 284-9667
Fax (207) 284-9667
Enumeration date Jul 12, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LC623 (ME) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 003837 | Other | - | ANTHEM |
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 Gregory Dumas?
The National Provider Identifier (NPI) for Gregory Dumas is 1548295918, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Dumas practice?
The practice location on file with NPPES is in Saco, ME. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Adam Dubay Professional Counselor · Saco, ME NPI 1447200324 Ronald Houle Mental Health Counselor · Saco, ME NPI 1215013875 Michelle Fortier-Oosterman Clinical Social Worker · Saco, ME NPI 1295959716 Mark Britten Oral and Maxillofacial Surgery (Dentist) · Saco, ME NPI 1174736482 Mary Kennedy Clinical Social Worker · Saco, ME NPI 1720264336 Maine Oral Surgery and Dental Implant Center Oral and Maxillofacial Surgery (Dentist) · Saco, ME NPI 1609566843 Maine Emergency Dentist Dentist · Saco, ME NPI 1710869409
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.