Dr Michael A Grajewski, MD - Medicare Family Medicine in Watertown, WI

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Dr Michael A Grajewski, MD is a medicare enrolled "Family Medicine" physician in Watertown, Wisconsin. His current practice location is 1507 Doctors Ct, Watertown, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (920) 261-4111.

Dr Michael A Grajewski is licensed to practice in Wisconsin (license number 27213) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1023085685.

Contact Information

Dr Michael A Grajewski, MD
1507 Doctors Ct,
Watertown, WI 53094-4101
(920) 261-4111
(920) 261-8387

Map and Direction




Physician's Profile

Full NameDr Michael A Grajewski
GenderMale
SpecialityFamily Medicine
Location1507 Doctors Ct, Watertown, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1023085685
  • Provider Enumeration Date: 03/02/2006
  • Last Update Date: 11/08/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 4981597812
  • Enrollment ID: I20040205000505

Medical Identifiers

Medical identifiers for Dr Michael A Grajewski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023085685NPI-NPPES
30650300MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 27213 (Wisconsin)Primary

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 Michael A Grajewski allows following entities to bill medicare on his behalf.
Entity NameWatertown Physician Practices Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770964363
PECOS PAC ID: 8022329408
Enrollment ID: O20150626000114
Entity NameRock River Community Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184220659
PECOS PAC ID: 3971906983
Enrollment ID: O20210728003728

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 Michael A Grajewski 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 Michael A Grajewski, MD
1507 Doctors Ct,
Watertown, WI 53094-4101

Ph: (920) 261-4111		Dr Michael A Grajewski, MD
1507 Doctors Ct,
Watertown, WI 53094-4101

Ph: (920) 261-4111

Reviews and Comments


Family Medicine Doctors in Watertown, WI

Dr. Robert Steven Legrow, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 127 Hospital Dr, Watertown, WI 53098
Phone: 920-261-8500    Fax: 920-261-8828
John R Basarich, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 127 Hospital Dr, Watertown, WI 53098
Phone: 920-261-8500    Fax: 920-261-8828
Danielle G. Tonelli, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 127 Hospital Dr, Watertown, WI 53098
Phone: 920-261-8500    Fax: 920-261-8828
Michael E Sullivan, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 127 Hospital Dr, Watertown, WI 53098
Phone: 920-261-8500    
Richard C Holden, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 127 Hospital Dr, Watertown, WI 53098
Phone: 920-261-8500    
Quinn C Burton, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 800 W Main St, Watertown, WI 53094
Phone: 262-472-1300    

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.