Aaron Yosef Lessen, in Englewood, CO - Medicare Emergency Medicine

Aaron Yosef Lessen, is a medicare enrolled "Emergency Medicine" physician in Englewood, Colorado. He went to University Of Pittsburgh School Of Medicine and graduated in 2005 and has 20 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Carepoint Emergency Medicine, Pllc and his current practice location is 501 E Hampden Ave, Englewood, Colorado. You can reach out to his office (for appointments etc.) via phone at (303) 788-6911.

Aaron Yosef Lessen is licensed to practice in Colorado (license number DR.0046304) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1457535346.

Contact Information

	Aaron Yosef Lessen,
	501 E Hampden Ave, Englewood, CO 80113-2702
	(303) 788-6911
	(303) 306-7753

Map and Direction

Physician's Profile

Full Name	Aaron Yosef Lessen
Gender	Male
Speciality	Emergency Medicine
Experience	20 Years
Location	501 E Hampden Ave, Englewood, Colorado
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Aaron Yosef Lessen attended and graduated from University Of Pittsburgh School Of Medicine in 2005

NPI Data:

NPI Number: 1457535346
Provider Enumeration Date: 12/27/2007
Last Update Date: 11/24/2025

Medicare PECOS Information:

PECOS PAC ID: 1254405921
Enrollment ID: I20080730000334

Medical Identifiers

Medical identifiers for Aaron Yosef Lessen such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1457535346	NPI	-	NPPES
97485870	Medicaid	CO
P00637700	Other	CO	RAILROAD MEDICARE

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207P00000X	Emergency Medicine	46304 (Colorado)	Secondary
207P00000X	Emergency Medicine	DR.0046304 (Colorado)	Primary
207P00000X	Emergency Medicine	MD2025-0938 (New Mexico)	Secondary
207P00000X	Emergency Medicine	37825 (Arizona)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Hca-healthone Dba Swedish Medical Center	Englewood, CO	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Carepoint Emergency Medicine, Pllc	7810291432	128

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Aaron Yosef Lessen allows following entities to bill medicare on his behalf.

Entity Name	Carepoint Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1275516346 PECOS PAC ID: 0547154957 Enrollment ID: O20040209000313

Entity Name	Carepoint Emergency Medicine, Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1134590318 PECOS PAC ID: 7810291432 Enrollment ID: O20160202001426

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Aaron Yosef Lessen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Aaron Yosef Lessen, Po Box 173862, Denver, CO 80217-3862 Ph: (303) 306-7783	Aaron Yosef Lessen, 501 E Hampden Ave, Englewood, CO 80113-2702 Ph: (303) 788-6911

Reviews and Comments

Emergency Medicine Doctors in Englewood, CO

Cheryl A. Melick, MD Emergency Medicine Medicare: Not Enrolled in Medicare Practice Location: 501 E Hampden Ave, Englewood, CO 80113 Phone: 303-788-6911 Fax: 303-306-7753
Ms. Carly Allison Loner, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 7887 E Belleview Ave Ste 1100, Englewood, CO 80111 Phone: 303-250-9981
Dr. Stanley F Siefer, M.D. Emergency Medicine Medicare: Not Enrolled in Medicare Practice Location: 901 W Hampden Ave, Suite 103, Englewood, CO 80110 Phone: 303-761-1699 Fax: 303-761-4099
Dr. James Michael Cusick, MD FACEP Emergency Medicine Medicare: Not Enrolled in Medicare Practice Location: 10309 E Lake Dr, Englewood, CO 80111 Phone: 303-779-6968 Fax: 303-221-1233
Dr. Amber Ryan Fouts, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 7887 E Belleview Ave, Suite 1100, Englewood, CO 80111 Phone: 303-895-6371
Dr. Martin E Strand, M.D. Emergency Medicine Medicare: Not Enrolled in Medicare Practice Location: 901 W Hampden Ave Unit 103, Englewood, CO 80110 Phone: 303-761-1699
Mark J. Kozlowski, Emergency Medicine Medicare: Medicare Enrolled Practice Location: 501 E Hampden Ave, Englewood, CO 80113 Phone: 303-788-6911 Fax: 303-306-7753

Aaron Yosef Lessen, - Medicare Emergency Medicine in Englewood, CO