Dr Roy K Werner Sr, MD, MS - Medicare Emergency Medicine in Crestwood, IL

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Dr Roy K Werner Sr, MD, MS is a medicare enrolled "Emergency Medicine" physician in Crestwood, Illinois. He graduated from medical school in 2001 and has 23 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Epss Peoria Llc, Genesis Health System and his current practice location is 13448 S. Cicero Avenue, Crestwood, Illinois. You can reach out to his office (for appointments etc.) via phone at (708) 682-3384.

Dr Roy K Werner Sr is licensed to practice in Illinois (license number 036115221) 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 1518952969.

Contact Information

Dr Roy K Werner Sr, MD, MS
13448 S. Cicero Avenue,
Crestwood, IL 60445
(708) 682-3384
(708) 682-3385

Map and Direction




Physician's Profile

Full NameDr Roy K Werner Sr
GenderMale
SpecialityEmergency Medicine
Experience23 Years
Location13448 S. Cicero Avenue, Crestwood, 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 Roy K Werner Sr graduated from medical school in 2001
  NPI Data:
  • NPI Number: 1518952969
  • Provider Enumeration Date: 09/13/2005
  • Last Update Date: 01/31/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 8729064464
  • Enrollment ID: I20060410000179

Medical Identifiers

Medical identifiers for Dr Roy K Werner Sr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518952969NPI-NPPES
34711600MedicaidWI
0439125MedicaidIA
36372OtherIAWELLMARK BCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 036115221 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Proctor HospitalPeoria, ILHospital
Genesis Hlth System Dba Genesis Mdl Ctr-illiniSilvis, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Epss Peoria Llc185058700720
Genesis Health System6103829338186

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 Roy K Werner Sr allows following entities to bill medicare on his behalf.
Entity NamePhysicians Immediate Care Ltd.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528046323
PECOS PAC ID: 4486568813
Enrollment ID: O20031118001089
Entity NameEmergency Medical Specialist Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265481030
PECOS PAC ID: 2062301567
Enrollment ID: O20040312000740
Entity NamePhysicians Immediate Care North Chicago Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205814118
PECOS PAC ID: 8729064159
Enrollment ID: O20040626000381
Entity NameGenesis Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427132604
PECOS PAC ID: 6103829338
Enrollment ID: O20060824000219
Entity NameEpss Peoria Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831421056
PECOS PAC ID: 1850587007
Enrollment ID: O20101130000569
Entity NameCommunity First Healthcare Of Illinois Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881059897
PECOS PAC ID: 2860716685
Enrollment ID: O20160104001552
Entity NameEpss Llc - Central Series
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538680467
PECOS PAC ID: 6204192016
Enrollment ID: O20171110002604
Entity NameWellnow Urgent Care, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669825162
PECOS PAC ID: 8325320864
Enrollment ID: O20190320001131
Entity NameNew Rose Healthcare Management Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043816515
PECOS PAC ID: 4981010048
Enrollment ID: O20210316000179
Entity NameEpss, Llc- Metro Series
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124782305
PECOS PAC ID: 6608266713
Enrollment ID: O20211203002440

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 Roy K Werner Sr 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 Roy K Werner Sr, MD, MS
10782 Greywall Ln,
Huntley, IL 60142-4070

Ph: (847) 669-5653		Dr Roy K Werner Sr, MD, MS
13448 S. Cicero Avenue,
Crestwood, IL 60445

Ph: (708) 682-3384

Reviews and Comments


Emergency Medicine Doctors in Crestwood, IL


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.