NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. James Tremayne, MD

Family Medicine Physician in Concord, NH · enumerated 2020.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1538787957

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. James Tremayne
Credential MD
Sex Male
Practice address 250 Pleasant St, Concord, NH, 03301
Phone (603) 228-7000
Fax (603) 228-7307
Enumeration date Jul 13, 2020
Last updated in NPPES Jul 13, 2020

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License RT-3660 (NH) Primary
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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does James Tremayne practice?
The practice location on file with NPPES is in Concord, NH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for James Tremayne?
The National Provider Identifier (NPI) for James Tremayne is 1538787957, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-13.