Mr Matthew S Bay, PA - Medicare Physician Assistant in Oshkosh, WI

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Mr Matthew S Bay, PA is a medicare enrolled "Physician Assistant" in Oshkosh, Wisconsin. He went to University Of Nebraska College Of Medicine and graduated in 2009 and has 17 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Fox Valley Surgical Associates Ltd and his current practice location is 855 N Westhaven Dr, Oshkosh, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (920) 303-8700.

Mr Matthew S Bay is licensed to practice in Wisconsin (license number 2387) 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 1033359401.

Contact Information

Mr Matthew S Bay, PA
855 N Westhaven Dr,
Oshkosh, WI 54904-7668
(920) 303-8700
(920) 456-5901

Map and Direction




Provider's Profile

Full NameMr Matthew S Bay
GenderMale
SpecialityPhysician Assistant
Experience17 Years
Location855 N Westhaven Dr, Oshkosh, 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:
  • Mr Matthew S Bay attended and graduated from University Of Nebraska College Of Medicine in 2009
  NPI Data:
  • NPI Number: 1033359401
  • Provider Enumeration Date: 02/25/2009
  • Last Update Date: 09/15/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 9739237108
  • Enrollment ID: I20090423000655

Medical Identifiers

Medical identifiers for Mr Matthew S Bay such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033359401NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant 2387 (Wisconsin)Primary
363AS0400XPhysician Assistant - Surgical 2387-23 (Wisconsin)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Thedacare Regional Medical Center - Appleton IncAppleton, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Fox Valley Surgical Associates Ltd791197129635

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. Mr Matthew S Bay allows following entities to bill medicare on his behalf.
Entity NameFox Valley Surgical Associates Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376594952
PECOS PAC ID: 7911971296
Enrollment ID: O20040823000907

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. Mr Matthew S Bay 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
Mr Matthew S Bay, PA
Po Box 735044,
Chicago, IL 60673-5044

Ph: (800) 326-2250		Mr Matthew S Bay, PA
855 N Westhaven Dr,
Oshkosh, WI 54904-7668

Ph: (920) 303-8700

Reviews and Comments


Physician Assistant Nurses in Oshkosh, WI

Leah Fynaardt,
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 855 N Westhaven Dr, Oshkosh, WI 54904
Phone: 920-303-8700    Fax: 920-456-7601
Ms. Michelle Robin Kalman, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 4100 Treffert Drive, Oshkosh, WI 54901
Phone: 920-235-4910    
Caitlin Johnston, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 855 N Westhaven Dr, Oshkosh, WI 54904
Phone: 920-303-8700    Fax: 920-456-7601
Mr. Marc S Jennings, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 855 N Westhaven Dr, Oshkosh, WI 54904
Phone: 920-303-8700    Fax: 920-303-8801
Ms. Marina V Mishin, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 855 N Westhaven Dr, Oshkosh, WI 54904
Phone: 920-303-8700    Fax: 920-303-5632
Jennifer Parnell, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 1300 South Drive, Oshkosh, WI 54985
Phone: 920-235-4910    
Brenda L Zimmerman, PAC
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 2351 State Road 44, Oshkosh, WI 54904
Phone: 920-651-8855    Fax: 920-385-0287

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.