Individual provider · Type 1 NPI

Aaron Yosef Lessen

Emergency Medicine Physician · Englewood, CO

NPI number 1457535346 Active

Practice location

501 E Hampden Ave
Englewood, CO 80113-2702

Call (303) 788-6911 Map

Fax (303) 306-7753

Mailing address

PO Box 173862
Denver, CO 80217-3862

Other practice locations

  • 801 W Maple St, Farmington, NM 87401-5630 · (505) 609-2000

Specialties and licenses

TaxonomyCodeLicense
Emergency Medicine Physician 207P00000X46304 (CO)
Emergency Medicine Physician Primary 207P00000XDR.0046304 (CO)
Emergency Medicine Physician 207P00000XMD2025-0938 (NM)
Emergency Medicine Physician 207P00000X37825 (AZ)

Emergency Medicine Physician: An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in respo…

287 other providers at this address

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About NPI 1457535346

Aaron Yosef Lessen's National Provider Identifier is 1457535346, issued on Dec 27, 2007. The primary taxonomy on file is Emergency Medicine Physician (207P00000X), and the practice location is in Englewood, CO. The record was last updated on Nov 24, 2025.