Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen D Kremer, M.D.

Diagnostic Radiology Physician in Lindenhurst, NY · enumerated 2005.

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

National Provider Identifier

1811972664

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen D Kremer

Credential M.D.

Sex Male

Practice address 150 E Sunrise Hwy, 208, Lindenhurst, NY, 11757

Phone (631) 225-7200

Fax (631) 930-9451

Enumeration date Dec 14, 2005

Last updated in NPPES Oct 28, 2009

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 146436 (NY) Primary

2085U0001X Diagnostic Ultrasound Physician Allopathic & Osteopathic Physicians · License 146436 (NY) Secondary

2085B0100X Body Imaging Physician Allopathic & Osteopathic Physicians · License 146436 (NY) Secondary

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.

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Frequently asked questions

How do I verify Stephen Kremer's NPI record?

Cross-check NPI 1811972664 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1811972664 active?

Yes, as of the latest NPPES snapshot, NPI 1811972664 is active (record last updated 2009-10-28).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-10-28.