Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jon Howard Siegel, PH.D.
Family Psychologist in Bangor, ME · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124149513
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Registry record
Entity type Individual (Type 1)
Name Jon Howard Siegel
Credential PH.D.
Sex Male
Practice address 6 State St, Suite 413, Bangor, ME, 04401
Phone (207) 942-2627
Fax (207) 942-2627
Enumeration date Apr 3, 2007
Last updated in NPPES Sep 11, 2025
Taxonomy & licenses
103TA0400X Addiction (Substance Use Disorder) Psychologist Behavioral Health & Social Service Providers Secondary
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PS744 (ME) Secondary
103TC2200X Clinical Child & Adolescent Psychologist Behavioral Health & Social Service Providers Secondary
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 Jon Siegel practice?
The practice location on file with NPPES is in Bangor, ME. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jon Siegel?
The National Provider Identifier (NPI) for Jon Siegel is 1124149513, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Brian Selby Psychologist · Bangor, ME NPI 1194768887 Lois Dvorak Professional Counselor · Bangor, ME NPI 1508932963 Jennifer Ruhlin Clinical Social Worker · Bangor, ME NPI 1306904206 Arlan Hurd Social Worker · Bangor, ME NPI 1073673133 Michael Dematteo Clinical Social Worker · Bangor, ME NPI 1437296340 B. Warren Mental Health Counselor · Bangor, ME NPI 1679605760 Laurene Collins Professional Counselor · Bangor, ME NPI 1144342122 Joelle Siegel Clinical Psychologist · Bangor, ME NPI 1467573873
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.