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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CHRISTOPHER A LOISELLE DO, MS
NPI 1588424121
Student in an Organized Health Care Education/Training Program in Portsmouth, NH

Active since March 20, 2024
333 BORTHWICK AVE STE 100, PORTSMOUTH, NH 03801(603) 559-4129 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Christopher A Loiselle Do, Ms NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHRISTOPHER A LOISELLE DO, MS (NPI 1588424121) is an individual student in an organized health care education/training program in Portsmouth, New Hampshire and active in the NPI registry since March 2024. He maintains a secondary practice location in Somersworth.

NPPES Registry Identity

NPI1588424121
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDR. CHRISTOPHER A LOISELLECredential: DO, MS
Location Address333 BORTHWICK AVE STE 100Portsmouth, NH 03801-4198
Mailing Address100 Eileen Dondero Foley Ave Ste 110Portsmouth, NH 03801-4596 · (603) 559-4129
Phone(603) 559-4129
Sole ProprietorNo
Enumeration DateMarch 20, 2024
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1588424121 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
333 BORTHWICK AVE STE 100, Portsmouth, NH 03801
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Secondary Practice Location 1

Location 1311 Route 108Somersworth, NH 03878-1522 · Phone (603) 749-2346

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALEXANDRA LOOMIS DO
Emergency Medicine
333 BORTHWICK AVE STE 100
PORTSMOUTH, NH 03801
Rockingham County (617) 763-1295
EMILY KERI RIEMER MD
Student in an Organized Health Care Education/Training Program
333 BORTHWICK AVE STE 100, GRADUATE MEDICAL EDUCATION
PORTSMOUTH, NH 03801
Rockingham County (603) 436-5110
JORGE EDUARDO SAONA CENTENO M.D.
Hospitalist
333 BORTHWICK AVE STE 100
PORTSMOUTH, NH 03801
Rockingham County (561) 965-7300
DR. LAUREN DEMARIS DO
Internal Medicine
333 BORTHWICK AVE STE 100
PORTSMOUTH, NH 03801
Rockingham County (603) 436-5110
DOMINIC FOOA
Registered Nurse (Critical Care Medicine)
333 BORTHWICK AVE STE 100
PORTSMOUTH, NH 03801
Rockingham County (603) 436-5110
NIKITA ROSEWELL MD
Student in an Organized Health Care Education/Training Program
333 BORTHWICK AVE STE 100
PORTSMOUTH, NH 03801
Rockingham County (603) 559-4129
LIZBETH ANNE LIAKOS
Occupational Therapist
333 BORTHWICK AVE STE 100
PORTSMOUTH, NH 03801
Rockingham County (603) 433-5110
DR. ORI OFFENBACH OFEK MD
Internal Medicine
333 BORTHWICK AVE STE 100
PORTSMOUTH, NH 03801
Rockingham County (603) 436-5110

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Loiselle's NPI number?

The NPI number for Christopher Loiselle is 1588424121. It was assigned to this individual provider in the NPPES registry on March 20, 2024.

Where is Christopher Loiselle located?

Christopher Loiselle practices at 333 Borthwick Ave Ste 100, Portsmouth, NH 03801. The listed phone number is (603) 559-4129.

What is Christopher Loiselle's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Christopher Loiselle was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.