Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marcin Szember, MD

Gastroenterology Physician in Grand Forks, ND · enumerated 2008.

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

National Provider Identifier

1023295300

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Registry record

Entity type Individual (Type 1)

Name Dr. Marcin Szember

Credential MD

Sex Male

Practice address 4440 S. Washington St. - Altru Professional Center, Grand Forks, ND, 58201

Phone (701) 732-7000

Enumeration date Jan 29, 2008

Last updated in NPPES Oct 2, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 25MA08520900 (NJ) Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 4301100644 (MI) Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 25MA08520900 (NJ) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 16013 (ND) 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

What is the NPI number for Marcin Szember?

The National Provider Identifier (NPI) for Marcin Szember is 1023295300, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marcin Szember practice?

The practice location on file with NPPES is in Grand Forks, ND. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-02.