Dr Brian J Lenahan, DO - Medicare Family Practice in Naperville, IL

Dr Brian J Lenahan, DO is a medicare enrolled "Family Medicine" physician in Naperville, Illinois. He went to Midwestern University, Chicago College Of Osteopathic Med and graduated in 2003 and has 21 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Dupage Medical Group Ltd and his current practice location is 4003 S Route 59, Naperville, Illinois. You can reach out to his office (for appointments etc.) via phone at (888) 693-6437.

Dr Brian J Lenahan is licensed to practice in Illinois (license number 036114526) 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 1053462788.

Contact Information

Dr Brian J Lenahan, DO
4003 S Route 59,
Naperville, IL 60564-5802
(888) 693-6437
Not Available



Physician's Profile

Full NameDr Brian J Lenahan
GenderMale
SpecialityFamily Practice
Experience21 Years
Location4003 S Route 59, 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 Brian J Lenahan attended and graduated from Midwestern University, Chicago College Of Osteopathic Med in 2003
  NPI Data:
  • NPI Number: 1053462788
  • Provider Enumeration Date: 01/16/2007
  • Last Update Date: 02/26/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6204844780
  • Enrollment ID: I20060324000194

Medical Identifiers

Medical identifiers for Dr Brian J Lenahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053462788NPI-NPPES
P00412092OtherRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 036114526 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Dupage Medical Group Ltd54966679411209

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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 Brian J Lenahan allows following entities to bill medicare on his behalf.
Entity NameDupage Medical Group Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801833983
PECOS PAC ID: 5496667941
Enrollment ID: O20031110000535

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Entity NameCentral Dupage Hospital Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003864810
PECOS PAC ID: 0941108666
Enrollment ID: O20031231000723

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Entity NameCentral Dupage Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033149844
PECOS PAC ID: 5890696231
Enrollment ID: O20040303000601

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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 Brian J Lenahan 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 Brian J Lenahan, DO
Po Box 713260,
Chicago, IL 60677-1260

Ph: (630) 469-2000
Dr Brian J Lenahan, DO
4003 S Route 59,
Naperville, IL 60564-5802

Ph: (888) 693-6437

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Today AIDS Healthcare Foundation (AHF) commented on an editorial published in the September 2011 issue of The Lancet Infectious Diseases that raises concerns about the use of the HIV treatment drug Truvada, manufactured by Gilead Sciences Inc., as an HIV prevention pill or pre-exposure prophylaxis (PrEP), agreeing with the publication's public health concerns.

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Research shows that in cases of inflammatory joint disease, the earlier you catch the disease and suppress the immune system, the less likely a patient is to develop damaging and ongoing, chronic inflammation.

Read more News

› Verified 3 days ago


Family Medicine Doctors in Naperville, IL

Cortney Cole, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 801 S Washington St, Naperville, IL 60540
Phone: 630-527-3000    
Michael E Peters, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3360 Lacrosse Ln, Suite 106, Naperville, IL 60564
Phone: 630-696-4404    Fax: 630-696-4405
Dr. Francis Antony, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1220 Hobson Road, Ste 104, Naperville, IL 60540
Phone: 630-416-1950    Fax: 630-646-5610
Dr. Molly M D'costa, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2710 111th Street, Naperville, IL 60565
Phone: 630-355-9531    Fax: 630-355-9532
Dr. Terry May, D.O.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1891 Bayscott Circle, Ste 109, Naperville, IL 60540
Phone: 630-527-6400    
Dr. Barbara Jean Opalka, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2940 Rollingridge Rd, Suite 101, Naperville, IL 60564
Phone: 630-637-8630    Fax: 630-637-8640

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