Karen T Keller, - Medicare Nurse Practitioner in Chicago, IL

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Karen T Keller, is a medicare enrolled "Nurse Practitioner - Family" in Chicago, Illinois. She graduated from nursing school in 2013 and has 11 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Osf Multi-specialty Group, Osf Healthcare System and her current practice location is 5841 S Maryland Ave, M1035, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (773) 926-9116.

Karen T Keller is licensed to practice in Illinois (license number 209011228) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1821411208.

Contact Information

Karen T Keller,
5841 S Maryland Ave, M1035,
Chicago, IL 60637-1447
(773) 926-9116
Not Available

Map and Direction




Provider's Profile

Full NameKaren T Keller
GenderFemale
SpecialityNurse Practitioner
Experience11 Years
Location5841 S Maryland Ave, Chicago, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Karen T Keller graduated from nursing school in 2013
  NPI Data:
  • NPI Number: 1821411208
  • Provider Enumeration Date: 01/21/2014
  • Last Update Date: 04/04/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 4880811066
  • Enrollment ID: I20140812001288

Medical Identifiers

Medical identifiers for Karen T Keller such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821411208NPI-NPPES
209011228OtherILSTATE OF ILLINOIS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 209011228 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Osf Little Company Of Mary Medical CenterEvergreen park, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Osf Multi-specialty Group36788897891552
Osf Healthcare System428454180677

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. Karen T Keller allows following entities to bill medicare on her behalf.
Entity NameLittle Company Of Mary Affiliated Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033162086
PECOS PAC ID: 5193629202
Enrollment ID: O20040127000775
Entity NameOsf Healthcare System
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1811016124
PECOS PAC ID: 4284541806
Enrollment ID: O20070504000101
Entity NameOsf Multi-specialty Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922445527
PECOS PAC ID: 3678889789
Enrollment ID: O20150904000279

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. Karen T Keller 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
Karen T Keller,
180 Harvester Dr, Suite 110,
Burr Ridge, IL 60527-7594

Ph: (773) 702-1061		Karen T Keller,
5841 S Maryland Ave, M1035,
Chicago, IL 60637-1447

Ph: (773) 926-9116

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.

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).

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