William Millar, MD - Medicare Radiology in Southampton, NY

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William Millar, MD is a medicare enrolled "Radiology - Neuroradiology" physician in Southampton, New York. His current practice location is 570 Hampton Rd Apt 25, Southampton, New York. You can reach out to his office (for appointments etc.) via phone at (631) 644-7244.

William Millar is licensed to practice in New York (license number 199311-1) 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 1013945914.

Contact Information

William Millar, MD
570 Hampton Rd Apt 25,
Southampton, NY 11968-3019
(631) 644-7244
Not Available

Map and Direction




Physician's Profile

Full NameWilliam Millar
GenderMale
SpecialityRadiology - Neuroradiology
Location570 Hampton Rd Apt 25, Southampton, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1013945914
  • Provider Enumeration Date: 06/29/2006
  • Last Update Date: 06/23/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4880675289
  • Enrollment ID: I20040529000121

Medical Identifiers

Medical identifiers for William Millar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013945914NPI-NPPES
01598769MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 199311-1 (New York)Secondary
2085N0700XRadiology - Neuroradiology 199311-1 (New York)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. William Millar allows following entities to bill medicare on his behalf.
Entity NameNorth Shore - Lij Medical Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053688572
PECOS PAC ID: 3375701568
Enrollment ID: O20120220000262
Entity NameSouthside Faculty Medical Affiliates University Faculty Prac
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033791058
PECOS PAC ID: 5698175933
Enrollment ID: O20210608003649
Entity NameJefferson University Radiology Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992307979
PECOS PAC ID: 7315845708
Enrollment ID: O20231104000087

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. William Millar 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
William Millar, MD
570 Hampton Rd Apt 25,
Southampton, NY 11968-3019

Ph: (631) 644-7244		William Millar, MD
570 Hampton Rd Apt 25,
Southampton, NY 11968-3019

Ph: (631) 644-7244

Reviews and Comments


Radiology Doctors in Southampton, NY


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.