John F Brennan, MD - Medicare Nephrology in Racine, WI

John F Brennan, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Racine, Wisconsin. He went to R Franklin University Of Med & Sci/chicago Medical School and graduated in 1991 and has 33 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice Wheaton Franciscan Medical Group Inc and his current practice location is 3803 Spring Street, Suite 600, Racine, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (262) 687-8312.

John F Brennan is licensed to practice in Wisconsin (license number 37698) 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 1154351153.

Contact Information

John F Brennan, MD
3803 Spring Street, Suite 600,
Racine, WI 53405-1660
(262) 687-8312
(262) 687-8796

Map and Direction




Physician's Profile

Full NameJohn F Brennan
GenderMale
SpecialityNephrology
Experience33 Years
Location3803 Spring Street, Racine, Wisconsin
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:
  • John F Brennan attended and graduated from R Franklin University Of Med & Sci/chicago Medical School in 1991
  NPI Data:
  • NPI Number: 1154351153
  • Provider Enumeration Date: 07/04/2006
  • Last Update Date: 01/16/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 3375647894
  • Enrollment ID: I20070322000315

Medical Identifiers

Medical identifiers for John F Brennan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154351153NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology 37698 (Wisconsin)Primary
207R00000XInternal Medicine 37698 (Wisconsin)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Davita - Harbor View DialysisRacine, WIDialysis facility
Davita - Willow Creek DialysisRacine, WIDialysis facility
Ascension All Saints HospitalRacine, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Wheaton Franciscan Medical Group Inc8628980943594

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. John F Brennan allows following entities to bill medicare on his behalf.
Entity NameAscension Medical Group-southeast Wisconsin Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609881077
PECOS PAC ID: 8628980943
Enrollment ID: O20031104000421

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. John F Brennan 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
John F Brennan, MD
3803 Spring Street, Suite 600,
Racine, WI 53405-1660

Ph: (262) 687-8312
John F Brennan, MD
3803 Spring Street, Suite 600,
Racine, WI 53405-1660

Ph: (262) 687-8312

Reviews and Comments


Internal Medicine Doctors in Racine, WI

Tom M Murphy, MD
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Phone: 262-687-8525    
Joseph P. Mathew, M.D.
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Phone: 262-886-7360    Fax: 262-886-7361
David Galbis-reig, M.D.
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Practice Location: 3801 Spring St, Racine, WI 53405
Phone: 262-687-4011    
Gerald Wisniewski, MD
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Practice Location: 1 Main St, Racine, WI 53403
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Dr. Roger O Boye, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 3803 Spring Street, Suite 600, Racine, WI 53405
Phone: 262-687-8312    Fax: 262-687-8312

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.