Matthew Christopher O'brien, DO - Medicare General Surgery in Janesville, WI

Matthew Christopher O'brien, DO is a medicare enrolled "Surgery" physician in Janesville, Wisconsin. He went to Midwestern University, Chicago College Of Osteopathic Med and graduated in 2020 and has 6 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Dean Health Systems Inc and his current practice location is 3200 E Racine St, Janesville, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 371-8000.

Matthew Christopher O'brien is licensed to practice in Wisconsin (license number 81821) 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 1417577024.

Contact Information

Matthew Christopher O'brien, DO
3200 E Racine St,
Janesville, WI 53546-2343
(608) 371-8000
(608) 373-8713

Map and Direction




Physician's Profile

Full NameMatthew Christopher O'brien
GenderMale
SpecialityGeneral Surgery
Experience6 Years
Location3200 E Racine St, Janesville, 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:
  • Matthew Christopher O'brien attended and graduated from Midwestern University, Chicago College Of Osteopathic Med in 2020
  NPI Data:
  • NPI Number: 1417577024
  • Provider Enumeration Date: 04/23/2020
  • Last Update Date: 10/08/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 8628499662
  • Enrollment ID: I20250930000475

Medical Identifiers

Medical identifiers for Matthew Christopher O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417577024NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 81821 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ssm Health St Mary's Hospital - JanesvilleJanesville, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Dean Health Systems Inc70128279831194

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. Matthew Christopher O'brien 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
Matthew Christopher O'brien, DO
515 22nd Ave,
Monroe, WI 53566-1569

Ph: (630) 639-6360
Matthew Christopher O'brien, DO
3200 E Racine St,
Janesville, WI 53546-2343

Ph: (608) 371-8000

Reviews and Comments


Surgery Doctors in Janesville, WI

David C Lynn, MD
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 510 N Terrace St, Janesville, WI 53548
Phone: 608-756-7277    Fax: 608-373-3115
Mark E Mcdade, MD
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3200 E Racine St, Janesville, WI 53546
Phone: 608-371-8000    Fax: 608-371-8929
Dr. Bohdan K Wasiljew, MD
Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 510 N Terrace St, Janesville, WI 53548
Phone: 608-756-7277    
William H Squires, MD
Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 1000 Mineral Point Ave, Janesville, WI 53548
Phone: 608-756-6731    Fax: 608-756-6013
Michael L Rainiero, MD
Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 3200 E Racine St, Janesville, WI 53546
Phone: 608-371-8000    Fax: 608-371-8929
Dr. Steven L Falk, MD
Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 2222 Cornell Ave, Janesville, WI 53545
Phone: 608-755-1395    

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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