Dr David Nilsen, DO - Medicare Orthopedic Surgery in Janesville, WI

Dr David Nilsen, DO is a medicare enrolled "Orthopaedic Surgery" physician in Janesville, Wisconsin. He went to Michigan State University College Of Osteopathic Medicine and graduated in 2005 and has 19 years of diverse experience with area of expertise as Orthopedic Surgery. He is a member of the group practice Mercy Health System Corporation and his current practice location is 557 N Washington St, Janesville, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 754-6000.

Dr David Nilsen is licensed to practice in Wisconsin (license number 1735-321) 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 1588811244.

Contact Information

Dr David Nilsen, DO
557 N Washington St,
Janesville, WI 53548-2907
(608) 754-6000
Not Available

Map and Direction




Physician's Profile

Full NameDr David Nilsen
GenderMale
SpecialityOrthopedic Surgery
Experience19 Years
Location557 N Washington 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:
  • Dr David Nilsen attended and graduated from Michigan State University College Of Osteopathic Medicine in 2005
  NPI Data:
  • NPI Number: 1588811244
  • Provider Enumeration Date: 08/25/2008
  • Last Update Date: 09/20/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1153518907
  • Enrollment ID: I20230103001180

Medical Identifiers

Medical identifiers for Dr David Nilsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588811244NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery OS013810 (Pennsylvania)Secondary
207X00000XOrthopaedic Surgery OT011238 (Pennsylvania)Secondary
207X00000XOrthopaedic Surgery 005533 (Arizona)Secondary
207X00000XOrthopaedic Surgery 1735-321 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Health System CorpJanesville, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Health System Corporation7416860440459

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 David Nilsen allows following entities to bill medicare on his behalf.
Entity NameMercy Health System Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598718603
PECOS PAC ID: 7416860440
Enrollment ID: O20031113000164

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 David Nilsen 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 David Nilsen, DO
4945 Sumpter Dr,
Milton, WI 53563-8482

Ph: (480) 734-3967
Dr David Nilsen, DO
557 N Washington St,
Janesville, WI 53548-2907

Ph: (608) 754-6000

Reviews and Comments


Orthopaedic Surgery Doctors in Janesville, WI

Dr. Harlan D Edelman, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 3524 E Milwaukee St, Janesville, WI 53546
Phone: 608-756-7100    
Dr. David E Pittenger, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 557 N Washington St, Janesville, WI 53548
Phone: 608-754-6000    
Dr. Pinak Y Shukla, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3524 E Milwaukee St, Janesville, WI 53546
Phone: 608-756-7100    
Brian J Keyes, DO
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3200 E Racine St, Janesville, WI 53546
Phone: 608-371-8000    Fax: 608-371-8931
Douglas R Palmer, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3524 E Milwaukee St, Janesville, WI 53546
Phone: 608-756-7100    
Dr. Sidney Schulman, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3524 E Milwaukee St, Janesville, WI 53546
Phone: 608-756-7100    
Ellen M Obrien, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 5026 N Northwood Trce, Janesville, WI 53545
Phone: 608-295-9500    

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.

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