NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Luis E. Aguirre, MD

Hematology & Oncology Physician in New Haven, CT · enumerated 2017.

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

National Provider Identifier

1497276240

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Luis E. Aguirre
Credential MD
Sex Male
Practice address 333 Cedar St # 205, New Haven, CT, 06510
Fax (203) 785-4116
Enumeration date Jul 2, 2017
Last updated in NPPES Nov 24, 2025

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care · License TRN25685 (FL) Secondary
207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 82903 (CT) Primary
207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 3013893 (MA) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Luis E. Aguirre?
The National Provider Identifier (NPI) for Luis E. Aguirre is 1497276240, a Type 1 (individual) record in the CMS NPPES registry.
Where does Luis E. Aguirre practice?
The practice location on file with NPPES is in New Haven, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-24.