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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MAMDOOH AL-NASSIRAT MD
NPI 1821915661
Student in an Organized Health Care Education/Training Program in Portsmouth, NH

Active since July 02, 2026
333 BORTHWICK AVE STE 100, PORTSMOUTH, NH 03801(603) 559-4129 Get Directions Write a Review

NPPES record added: July 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mamdooh Al-nassirat Md NPPES

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

MAMDOOH AL-NASSIRAT MD (NPI 1821915661) is an individual student in an organized health care education/training program in Portsmouth, New Hampshire and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1821915661
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameMAMDOOH AL-NASSIRATCredential: MD
Location Address333 BORTHWICK AVE STE 100Portsmouth, NH 03801-4198
Mailing Address263 Rockland St Apt 24Portsmouth, NH 03801-5163 · (780) 886-9702
Phone(603) 559-4129
Sole ProprietorNo
Enumeration DateJuly 2, 2026
Last NPPES UpdateJuly 3, 2026
NPPES CertifiedJuly 3, 2026
✔ NPI 1821915661 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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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 Mamdooh Al-nassirat's NPI number?

The NPI number for Mamdooh Al-nassirat is 1821915661. It was assigned to this individual provider in the NPPES registry on July 2, 2026.

Where is Mamdooh Al-nassirat located?

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

What is Mamdooh Al-nassirat'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 Mamdooh Al-nassirat was last updated on July 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.