Dr William Brent Alexander Jr, MD, PHD - Medicare Internal Medicine in Buffalo, NY

Dr William Brent Alexander Jr, MD, PHD is a medicare enrolled "Internal Medicine - Hospice And Palliative Medicine" physician in Buffalo, New York. His current practice location is Elm And Carlton St, Buffalo, New York. You can reach out to his office (for appointments etc.) via phone at (716) 845-2300.

Dr William Brent Alexander Jr is licensed to practice in New York (license number 320519) 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 1114585379.

Contact Information

Dr William Brent Alexander Jr, MD, PHD
Elm And Carlton St,
Buffalo, NY 14263-0001
(716) 845-2300
Not Available

Map and Direction




Physician's Profile

Full NameDr William Brent Alexander Jr
GenderMale
SpecialityInternal Medicine - Hospice And Palliative Medicine
LocationElm And Carlton St, Buffalo, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1114585379
  • Provider Enumeration Date: 06/03/2019
  • Last Update Date: 08/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7618204868
  • Enrollment ID: I20230804000307

Medical Identifiers

Medical identifiers for Dr William Brent Alexander Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114585379NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0002XInternal Medicine - Hospice And Palliative Medicine 320519 (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. Dr William Brent Alexander Jr allows following entities to bill medicare on his behalf.
Entity NameRoswell Park Cancer Institute
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720036593
PECOS PAC ID: 3577475110
Enrollment ID: O20031103000466

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 Brent Alexander Jr 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 Brent Alexander Jr, MD, PHD
Elm And Carlton St,
Buffalo, NY 14263-0001

Ph: (716) 845-2300
Dr William Brent Alexander Jr, MD, PHD
Elm And Carlton St,
Buffalo, NY 14263-0001

Ph: (716) 845-2300

Reviews and Comments


Internal Medicine Doctors in Buffalo, NY

Musa Saeed, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: Elm And Carlton Streets, Buffalo, NY 14263
Phone: 716-845-2300    Fax: 716-845-1374
Dr. Reena Bose, M.D.
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Practice Location: 899 Main St, Buffalo, NY 14203
Phone: 716-878-2700    Fax: 716-878-2701
Michael S Winnicki, MD
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Medicare: Medicare Enrolled
Practice Location: Elm And Carlton St, Buffalo, NY 14263
Phone: 716-845-2300    Fax: 716-845-4693
John Crane, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 462 Grider St, Buffalo, NY 14215
Phone: 716-829-2676    
Samjot S Dhillon, MD
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Medicare: Accepting Medicare Assignments
Practice Location: Elm And Carlton St, Buffalo, NY 14263
Phone: 716-845-2300    Fax: 716-845-1110
Sanjivini Wadhwa, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 462 Grider St, Buffalo, NY 14215
Phone: 716-898-4119    
Jeffery David Stahl, D.O
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 High St, Buffalo, NY 14203
Phone: 716-859-7937    

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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