Dr Ronald Anthony Zimmermann, DO - Medicare Internal Medicine in Naperville, IL

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Dr Ronald Anthony Zimmermann, DO is a medicare enrolled "Hospitalist" physician in Naperville, Illinois. He went to Lake Erie College Of Osteopathic Medicine, Erie and graduated in 2008 and has 17 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Endeavor Health Medical Group, Rockford Hospitalist Group Llc and his current practice location is 801 S Washington St, Naperville, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 646-8704.

Dr Ronald Anthony Zimmermann is licensed to practice in Illinois (license number 036.128777) 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 1346404985.

Contact Information

Dr Ronald Anthony Zimmermann, DO
801 S Washington St,
Naperville, IL 60540-7430
(630) 646-8704
Not Available

Map and Direction




Physician's Profile

Full NameDr Ronald Anthony Zimmermann
GenderMale
SpecialityInternal Medicine
Experience17 Years
Location801 S Washington St, Naperville, 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 Ronald Anthony Zimmermann attended and graduated from Lake Erie College Of Osteopathic Medicine, Erie in 2008
  NPI Data:
  • NPI Number: 1346404985
  • Provider Enumeration Date: 07/14/2008
  • Last Update Date: 12/10/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5991976300
  • Enrollment ID: I20110915000247

Medical Identifiers

Medical identifiers for Dr Ronald Anthony Zimmermann such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346404985NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 125054800 (Illinois)Secondary
207R00000XInternal Medicine 036128777 (Illinois)Secondary
208M00000XHospitalist 036.128777 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Edward HospitalNaperville, ILHospital
Swedish American HospitalRockford, ILHospital
Elmhurst Memorial HospitalElmhurst, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Endeavor Health Medical Group21633346993022
Rockford Hospitalist Group Llc983055949139

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 Ronald Anthony Zimmermann allows following entities to bill medicare on his behalf.
Entity NameAdvocate Health And Hospitals Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700824455
PECOS PAC ID: 7810800935
Enrollment ID: O20031106000064
Entity NameEdward Health Ventures
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962452912
PECOS PAC ID: 4284531484
Enrollment ID: O20031216000616
Entity NameEndeavor Health Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497701882
PECOS PAC ID: 2163334699
Enrollment ID: O20040524000118
Entity NameSouthern Illinois Medical Services Nfp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770656837
PECOS PAC ID: 3678677390
Enrollment ID: O20070404000595
Entity Name24 On Physicians Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346480431
PECOS PAC ID: 5698688141
Enrollment ID: O20090609000389
Entity NameCogent Healthcare Of Illinois, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487897849
PECOS PAC ID: 6507981008
Enrollment ID: O20100920001157
Entity NameSound Physicians Of Illinois Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043598865
PECOS PAC ID: 1557533734
Enrollment ID: O20111012000272
Entity NameHospitalist Medicine Physicians Of Illinois - Rockford, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790263325
PECOS PAC ID: 7315297785
Enrollment ID: O20180905002458
Entity NameCarle West Physician Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467074138
PECOS PAC ID: 8921420308
Enrollment ID: O20200613000147
Entity NameRockford Hospitalist Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750088852
PECOS PAC ID: 9830559491
Enrollment ID: O20230714002271

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 Ronald Anthony Zimmermann 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 Ronald Anthony Zimmermann, DO
1319 Wingfield Way,
Bolingbrook, IL 60490-4529

Ph: (630) 863-7026		Dr Ronald Anthony Zimmermann, DO
801 S Washington St,
Naperville, IL 60540-7430

Ph: (630) 646-8704

Reviews and Comments


Hospitalist Doctors in Naperville, IL

Dr. Sunita Dervesh Koul,
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Medicare: May Accept Medicare Assignments
Practice Location: 1879 Bay Scott Cir Ste 111, Naperville, IL 60540
Phone: 630-961-1341    Fax: 630-961-1782
Prerana Reddy, M.D.
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Practice Location: 801 S Washington St, Naperville, IL 60540
Phone: 630-527-5197    Fax: 630-527-5526
Sohaib Hassan, DO
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Practice Location: 801 S Washington St, Naperville, IL 60540
Phone: 630-527-3000    Fax: 630-456-7486
Kaelin Kyhl, DO
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Practice Location: 801 S Washington St, Naperville, IL 60540
Phone: 630-527-5197    Fax: 847-723-9470
Dr. Irfan Mir Ali, DO
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Practice Location: 801 S Washington St, Naperville, IL 60540
Phone: 630-469-9200    Fax: 630-456-7486
Dr. Nazish Ekram, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1964 Springbrook Square Dr Ste 108b, Naperville, IL 60564
Phone: 630-348-3840    Fax: 630-848-9342
Rey Sriaroon,
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 801 S Washington St, Naperville, IL 60540
Phone: 630-527-3000    

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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