Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Heather Lynne Demark
Physician Assistant in Bangor, ME · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1568165264
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Heather Lynne Demark
Sex Female
Practice address 417 State St Ste 340, Bangor, ME, 04401
Phone (207) 973-4949
Fax (207) 973-4466
Enumeration date Mar 23, 2023
Last updated in NPPES Apr 9, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA2732 (ME) Primary
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 Heather Demark?
The National Provider Identifier (NPI) for Heather Demark is 1568165264, a Type 1 (individual) record in the CMS NPPES registry.
Where does Heather Demark practice?
The practice location on file with NPPES is in Bangor, ME. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Horatiu Dancea Surgery of the Hand (Surgery) Physician · Bangor, ME NPI 1841455193 Thomas Nowakowski Trauma Surgery Physician · Bangor, ME NPI 1023351368 Avian Chang Surgery Physician · Bangor, ME NPI 1700271178 Andrew Zielinski Surgical Physician Assistant · Bangor, ME NPI 1366951501 Anne Applebaum Surgery Physician · Bangor, ME NPI 1053871657 Giuseppe Serena Surgery Physician · Bangor, ME NPI 1265992564
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-09.