Donald J Hennessy, MD - Medicare Internal Medicine in Cedarburg, WI

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Donald J Hennessy, MD is a medicare enrolled "Internal Medicine" physician in Cedarburg, Wisconsin. His current practice location is N143w6515 Pioneer Rd, Cedarburg, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (262) 377-6933.

Donald J Hennessy is licensed to practice in Wisconsin (license number 23781) 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 1811960495.

Contact Information

Donald J Hennessy, MD
N143w6515 Pioneer Rd,
Cedarburg, WI 53012-2705
(262) 377-6933
(262) 376-2495

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Physician's Profile

Full NameDonald J Hennessy
GenderMale
SpecialityInternal Medicine
LocationN143w6515 Pioneer Rd, Cedarburg, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1811960495
  • Provider Enumeration Date: 02/13/2006
  • Last Update Date: 01/16/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 6002919438
  • Enrollment ID: I20070305000735

Medical Identifiers

Medical identifiers for Donald J Hennessy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811960495NPI-NPPES
30630400MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 23781 (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. Donald J Hennessy allows following entities to bill medicare on his behalf.
Entity NameSignify Health Medical Associates Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750845863
PECOS PAC ID: 2163764424
Enrollment ID: O20191118000551

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. Donald J Hennessy 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
Donald J Hennessy, MD
N143w6515 Pioneer Rd,
Cedarburg, WI 53012-2705

Ph: (262) 377-6933		Donald J Hennessy, MD
N143w6515 Pioneer Rd,
Cedarburg, WI 53012-2705

Ph: (262) 377-6933

Reviews and Comments


Internal Medicine Doctors in Cedarburg, WI

Daniel Jablonski, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: N143w6515 Pioneer Rd, Cedarburg, WI 53012
Phone: 262-377-6933    
Gary Lohaus, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: N143w6515 Pioneer Rd, Cedarburg, WI 53012
Phone: 262-377-6933    

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.