Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Ashrei Bayewitz, MD

Hematology & Oncology Physician in Mineola, NY · enumerated 2012.

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

National Provider Identifier

1578826640

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Registry record

Entity type Individual (Type 1)

Name Dr. Ashrei Bayewitz

Credential MD

Sex Male

Practice address Mineola, NY, 11501

Phone (516) 663-0333

Enumeration date Jun 22, 2012

Last updated in NPPES May 5, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 34637 (NH) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 34637 (NH) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 0101277041 (VA) 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.

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Frequently asked questions

How do I verify Ashrei Bayewitz's NPI record?

Cross-check NPI 1578826640 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1578826640 active?

Yes, as of the latest NPPES snapshot, NPI 1578826640 is active (record last updated 2025-05-05).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-05.