Dr Richard R Keen, MD, FACS - Medicare Vascular Surgery in Chicago, IL

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Dr Richard R Keen, MD, FACS is a medicare enrolled "Surgery - Vascular Surgery" physician in Chicago, Illinois. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1985 and has 40 years of diverse experience with area of expertise as Vascular Surgery. He is a member of the group practice Cook County, The Board Of Trustees Of The University Of Illinois and his current practice location is 1901 W Harrison St, 3350, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 864-3190.

Dr Richard R Keen is licensed to practice in Illinois (license number 036-074094) 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 1841394129.

Contact Information

Dr Richard R Keen, MD, FACS
1901 W Harrison St, 3350,
Chicago, IL 60612-3714
(312) 864-3190
(312) 864-9802

Map and Direction




Physician's Profile

Full NameDr Richard R Keen
GenderMale
SpecialityVascular Surgery
Experience40 Years
Location1901 W Harrison St, Chicago, Illinois
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:
  • Dr Richard R Keen attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1985
  NPI Data:
  • NPI Number: 1841394129
  • Provider Enumeration Date: 09/08/2006
  • Last Update Date: 04/26/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7618056557
  • Enrollment ID: I20100521000493

Medical Identifiers

Medical identifiers for Dr Richard R Keen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841394129NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 036-074094 (Illinois)Secondary
2086S0129XSurgery - Vascular Surgery 036-074094 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John H Stroger Jr HospitalChicago, ILHospital
Elmhurst Memorial HospitalElmhurst, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cook County2860398088645
The Board Of Trustees Of The University Of Illinois3072422716923

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. Dr Richard R Keen allows following entities to bill medicare on his behalf.
Entity NameThe Board Of Trustees Of The University Of Illinois
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386863819
PECOS PAC ID: 3072422716
Enrollment ID: O20031112000158
Entity NameCook County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588612832
PECOS PAC ID: 2860398088
Enrollment ID: O20031209000747
Entity NameMount Sinai Community Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376715896
PECOS PAC ID: 5991600405
Enrollment ID: O20040202001032
Entity NameRichard R. Keen, M.d., P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174847032
PECOS PAC ID: 7719016237
Enrollment ID: O20100521000319

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. Dr Richard R Keen 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
Dr Richard R Keen, MD, FACS
1901 W Harrison St, 3350,
Chicago, IL 60612-3714

Ph: (312) 864-3190		Dr Richard R Keen, MD, FACS
1901 W Harrison St, 3350,
Chicago, IL 60612-3714

Ph: (312) 864-3190

Reviews and Comments


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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.

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