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

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 19 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 NameAaron Yosef Lessen
GenderMale
SpecialityEmergency Medicine
Experience19 Years
Location501 E Hampden Ave, Englewood, Colorado
Accepts Medicare AssignmentsYes. 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: 07/18/2015
  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.
IdentifierTypeStateIssuer
1457535346NPI-NPPES
97485870MedicaidCO
P00637700OtherCORAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 37825 (Arizona)Secondary
207P00000XEmergency Medicine 46304 (Colorado)Secondary
207P00000XEmergency Medicine DR.0046304 (Colorado)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hca-healthone Dba Swedish Medical CenterEnglewood, COHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Carepoint Emergency Medicine, Pllc7810291432102

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 NameCarepoint Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275516346
PECOS PAC ID: 0547154957
Enrollment ID: O20040209000313
Entity NameCarepoint Emergency Medicine, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI 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 AddressPractice 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: Medicare Enrolled
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: Medicare Enrolled
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: Medicare Enrolled
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

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.