Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
G Sean Callender, MD
Hospitalist Physician in Norway, ME · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1932117678
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Registry record
Entity type Individual (Type 1)
Name G Sean Callender
Credential MD
Sex Male
Practice address 181 Main St, Norway, ME, 04268
Phone (207) 743-5933
Fax (207) 393-3128
Enumeration date Aug 4, 2006
Last updated in NPPES Feb 22, 2018
Taxonomy & licenses
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 017185 (ME) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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 G Callender?
The National Provider Identifier (NPI) for G Callender is 1932117678, a Type 1 (individual) record in the CMS NPPES registry.
Where does G Callender practice?
The practice location on file with NPPES is in Norway, ME. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Katherine Newcomb Certified Registered Nurse Anesthetist · Norway, ME NPI 1083617732 Edwin Kracji Diagnostic Radiology Physician · Norway, ME NPI 1356338628 William Portner Diagnostic Radiology Physician · Norway, ME NPI 1861489130 Western Maine Radiology, PA Diagnostic Radiology Physician · Norway, ME NPI 1295722577 Reynold Villedrouin Diagnostic Radiology Physician · Norway, ME NPI 1588644694 Carole Quiroz Certified Registered Nurse Anesthetist · Norway, ME NPI 1205807674 Tari Advani Emergency Medicine Physician · Norway, ME NPI 1669443081 Vlp Incorporated Anesthesiology Physician · Norway, ME NPI 1649233164
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-22.