Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen Joseph Gadomski, MD, PHD

Student in an Organized Health Care Education/Training Program in Boston, MA · enumerated 2025.

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

National Provider Identifier

1891597118

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen Joseph Gadomski

Credential MD, PHD

Sex Male

Practice address 75 Francis St Bldg 360h, Boston, MA, 02115

Phone (617) 732-5500

Enumeration date Mar 26, 2025

Last updated in NPPES Mar 26, 2025

Taxonomy & licenses

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

How do I verify Stephen Gadomski's NPI record?

Cross-check NPI 1891597118 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1891597118 active?

Yes, as of the latest NPPES snapshot, NPI 1891597118 is active (record last updated 2025-03-26).

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Nourhan El Ahmar Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1336940477 Angelina Bortoletto Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1023819133 Anna Bauer Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1811799638 Karima Osman Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1831990951 Marc Benoit Anatomic Pathology & Clinical Pathology Physician · Boston, MA NPI 1477355055 Frances Li Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1073315495 Nicholas Popp Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1750184438 Jeeun Song Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1619761822

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-26.