NPPES file of Aug 9, 2026

William Brent Alexander, MD, PHD

Hospice and Palliative Medicine (Internal Medicine) Physician · Buffalo, NY

William Brent Alexander, MD, PHD is a hospice and palliative medicine (internal medicine) physician with a practice address in Buffalo, New York, and NPI 1114585379, issued on Jun 3, 2019. Check the license (New York 320519, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114585379
Name
William Brent Alexander
Credential
MD, PHD
Primary taxonomy
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
License number
320519 NY
Self-reported in NPPES; status is on the state search
Practice location
Elm And Carlton St, Buffalo, NY 14263
Phone
(716) 845-2300
Enumerated
Jun 3, 2019
Record last updated
Aug 7, 2023
Medicare enrollment
Enrolled (PECOS I20230804000307); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest hospice and palliative medicine (internal medicine) physician records → All 218 in New York → Look up another NPI →

Also registered at Elm And Carlton St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Abel, RPHPharmacist1649578113
  2. Anuja AbhyankarMedical Oncology Physician1679181424
  3. Sara Abou Azar, M.D.Surgery Physician1689103541
  4. Tina Agostinelli, PAPhysician Assistant1528621885
  5. Eric Ahn, MDGastroenterology Physician1134528912
  6. Christine Aiduk, NPObstetrics & Gynecology Nurse Practitioner1255314555

Verify William Brent Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 320519    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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17% more Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024

865 Medicare Part D claims for 163 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 419 claims were for opioids.

  1. William Alexander865
  2. Specialty average741

Most prescribed

  1. Oxycodone Hcl120 claims
  2. Duloxetine Hcl105 claims
  3. Gabapentin94 claims
  4. Methadone Hcl83 claims
  5. Buprenorphine66 claims
  6. Hydromorphone Hcl63 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Roswell Park Cancer InstituteBuffalo, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Brent Alexander among 218 hospice and palliative medicine (internal medicine) physician records in New York

William Brent Alexander, MD, PHD is one of 218 hospice and palliative medicine (internal medicine) physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.

  • NPI issued2019 · 81% of these records are older, 13% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2019 · median 2013 among the 155 with a school on file
  • Record last updated2023 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Internal Medicine) Physician providers in New York

There are 218 hospice and palliative medicine (internal medicine) physician records in New York.

All 218 in New York → Every provider in Buffalo → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →

The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes

  1. Desi Carozza, M.D.Buffalo, NY 142631558538777
  2. Amy Case, MDBuffalo, NY 142631750326914
  3. Jaclyn Schneider, MDBuffalo, NY 142631134449424
  4. Joel Shackson, MDBuffalo, NY 142631528555711
  5. Mercy Tomy, MDBuffalo, NY 142631417391434
  6. Michelle Walter, DOBuffalo, NY 142631730341314
  7. Anne Banas, M.D.Amherst, NY 142261255650842
  8. Mehak Swami, DOBuffalo, NY 142151609216001

Common questions

What is William Brent Alexander, MD, PHD's NPI number?

William Brent Alexander, MD, PHD's National Provider Identifier (NPI) is 1114585379, issued on Jun 3, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William Brent Alexander, MD, PHD located?

The NPPES record lists a practice address at Elm And Carlton St, Buffalo, NY, 14263. Phone: (716) 845-2300. Providers update this record themselves, so call before visiting.

How can I verify William Brent Alexander, MD, PHD's license?

NPPES lists New York license number 320519, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Brent Alexander, MD, PHD prescribe under Medicare Part D?

In 2024, William Brent Alexander, MD, PHD had 865 Medicare Part D claims for 163 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.