Stephen Michael Brennan, MD - Medicare Psychiatry in Oconomowoc, WI

Stephen Michael Brennan, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Oconomowoc, Wisconsin. He went to Medical College Of Wisconsin and graduated in 2018 and has 6 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice Rogers Memorial Hospital, Inc. and his current practice location is 1230 Corporate Center Dr Ste 400, Oconomowoc, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (262) 646-6311.

Stephen Michael Brennan is licensed to practice in Wisconsin (license number 81856) 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 1588168025.

Contact Information

Stephen Michael Brennan, MD
1230 Corporate Center Dr Ste 400,
Oconomowoc, WI 53066-4883
(262) 646-6311
Not Available

Map and Direction




Physician's Profile

Full NameStephen Michael Brennan
GenderMale
SpecialityPsychiatry
Experience6 Years
Location1230 Corporate Center Dr Ste 400, Oconomowoc, 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:
  • Stephen Michael Brennan attended and graduated from Medical College Of Wisconsin in 2018
  NPI Data:
  • NPI Number: 1588168025
  • Provider Enumeration Date: 03/20/2018
  • Last Update Date: 01/11/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8022364645
  • Enrollment ID: I20231211001849

Medical Identifiers

Medical identifiers for Stephen Michael Brennan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588168025NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 81856 (Iowa)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry 81856 (Iowa)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry 81856 (Wisconsin)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rogers Memorial Hospital, Inc.347645580935

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. Stephen Michael Brennan allows following entities to bill medicare on his behalf.
Entity NameRogers Memorial Hospital, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053329581
PECOS PAC ID: 3476455809
Enrollment ID: O20040124000371

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. Stephen Michael 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
Stephen Michael Brennan, MD
34700 Valley Rd,
Oconomowoc, WI 53066-4500

Ph: (262) 646-4411
Stephen Michael Brennan, MD
1230 Corporate Center Dr Ste 400,
Oconomowoc, WI 53066-4883

Ph: (262) 646-6311

Reviews and Comments


Psychiatry & Neurology Doctors in Oconomowoc, WI

Andrew John Schroettner, MD
Psychiatry & Neurology
Medicare: May Accept Medicare Assignments
Practice Location: 888 Thackeray Trail, #211, Oconomowoc, WI 53066
Phone: 262-567-1122    Fax: 262-567-1481
Erik J Ulland, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 34700 Valley Rd, Oconomowoc, WI 53066
Phone: 262-646-4411    
Elizabeth A Hamlin, MD
Psychiatry & Neurology
Medicare: May Accept Medicare Assignments
Practice Location: 34700 Valley Rd, Oconomowoc, WI 53066
Phone: 262-646-4411    
Mark H Rossing, MD
Psychiatry & Neurology
Medicare: May Accept Medicare Assignments
Practice Location: 888 Thackeray Trail, #211, Oconomowoc, WI 53066
Phone: 262-567-1122    Fax: 262-567-1481
Cuong Tieu, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 34700 Valley Rd, Oconomowoc, WI 53066
Phone: 262-646-1391    Fax: 262-646-1393
Nicholas Edward Mahoney,
Psychiatry & Neurology
Medicare: May Accept Medicare Assignments
Practice Location: 34700 Valley Rd, Oconomowoc, WI 53066
Phone: 262-646-4411    
Mr. Peter Mathew Lake, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 34700 Valley Rd, Rogers Memorial Hospital, Oconomowoc, WI 53066
Phone: 262-646-4411    

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.