Dr William J Pao, MD - Medicare Radiation Oncology in Grafton, WI

Dr William J Pao, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Grafton, Wisconsin. He went to Medical College Of Wisconsin and graduated in 1983 and has 41 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Radiation Oncology Associates Ltd and his current practice location is 975 Port Washington Rd, Grafton, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (262) 329-5000.

Dr William J Pao is licensed to practice in Wisconsin (license number 30607-20) 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 1447293931.

Contact Information

Dr William J Pao, MD
975 Port Washington Rd,
Grafton, WI 53024-9201
(262) 329-5000
Not Available

Map and Direction




Physician's Profile

Full NameDr William J Pao
GenderMale
SpecialityRadiation Oncology
Experience41 Years
Location975 Port Washington Rd, Grafton, 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 William J Pao attended and graduated from Medical College Of Wisconsin in 1983
  NPI Data:
  • NPI Number: 1447293931
  • Provider Enumeration Date: 06/13/2006
  • Last Update Date: 09/20/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1456252303
  • Enrollment ID: I20040719000043

Medical Identifiers

Medical identifiers for Dr William J Pao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447293931NPI-NPPES
31524600MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology 30607-20 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Aurora Medical Center - GraftonGrafton, WIHospital
Aurora St Lukes Medical CenterMilwaukee, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Radiation Oncology Associates Ltd761892462222

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 William J Pao allows following entities to bill medicare on his behalf.
Entity NameRadiation Oncology Associates Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932154754
PECOS PAC ID: 7618924622
Enrollment ID: O20050401000480

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 William J Pao 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 William J Pao, MD
11516 N Port Washington Rd Ste 107,
Mequon, WI 53092-3478

Ph: (262) 241-5040
Dr William J Pao, MD
975 Port Washington Rd,
Grafton, WI 53024-9201

Ph: (262) 329-5000

Reviews and Comments


Radiology Doctors in Grafton, WI

Leandro Ariel Espinosa, MD
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 975 Port Washington Rd, Grafton, WI 53024
Phone: 414-358-5437    Fax: 414-358-5421
Dr. Matthew J Howenstein, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 975 Port Washington Rd, Grafton, WI 53024
Phone: 414-358-5420    
Dr. Abdel Aziz Ahmad Jaffan, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 975 Port Washington Rd, Grafton, WI 53024
Phone: 262-329-1000    Fax: 262-329-1001

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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