NPPES file of Aug 9, 2026

William Robert Kennedy, MD

Radiation Oncology Physician · Phoenix, AZ

William Robert Kennedy, MD is a radiation oncology physician with a practice address in Phoenix, Arizona, and NPI 1720433766, issued on Apr 27, 2016. Check the license (Arizona 62956, as entered in NPPES) on the Arizona Medical Board; 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
1720433766
Name
William Robert Kennedy
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
62956 AZ
218421 NC
Self-reported in NPPES; status is on the state search
Practice location
350 W Thomas RD, Phoenix, AZ 85013
Phone
(602) 406-6761
Enumerated
Apr 27, 2016
Record last updated
Jul 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(602) 406-5515
Medicare enrollment
Enrolled (PECOS I20210621001856); accepts Medicare assignment
Medical or professional school
University Of Florida College Of Medicine, 2016
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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Also registered at 350 W Thomas RD

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

  1. Carolyn AbrahamSpeech-Language Pathologist1275811176
  2. Abdullah Abu KarInternal Medicine Physician1407239718
  3. Melanie Adarme Sanchez, MDStudent in an Organized Health Care Education/Training Program1780444257
  4. Christine Adham, DOAnesthesiology Physician1679953202
  5. Caitlyn Adley, CRNACertified Registered Nurse Anesthetist1760849079
  6. Rexhina Ago, DOStudent in an Organized Health Care Education/Training Program1568302065

Verify William Robert Kennedy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 62956
    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 Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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14% more Medicare Part D claims than the average radiation oncology physician in 2024

153 Medicare Part D claims for 51 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. William Kennedy153
  2. Specialty average134

Most prescribed

  1. Dexamethasone23 claims
  2. Oxycodone Hcl17 claims
  3. Lidocaine Hcl Viscous13 claims
  4. Lorazepam12 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.

Industry payments in 2024: $130.68

3 payments; by number, the most common kind was food and beverage; the largest payer was Siemens Medical Solutions USA, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Kennedy$130.68
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sjhmc Physician ServicesPhoenix, AZ

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

William Robert Kennedy among 156 radiation oncology physician records in Arizona

William Robert Kennedy, MD is one of 156 radiation oncology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.

  • NPI issued2016 · 83% of these records are older, 12% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2016 · median 2003 among the 115 with a school on file
  • Record last updated2021 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Arizona

There are 156 radiation oncology physician records in Arizona.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Igor Barani, MDPhoenix, AZ 850131811105943
  2. David Brachman, MDPhoenix, AZ 850131720042914
  3. Aidnag Diaz, M.D.Phoenix, AZ 850131568422723
  4. Nicholas Flores, MDPhoenix, AZ 850131013970714
  5. Marco Naguib, M.D.Phoenix, AZ 850131922114826
  6. Charles Rogers, M.D.Phoenix, AZ 850131609915289
  7. Christopher Biggs, MDPhoenix, AZ 850151720042146
  8. Kenneth Luk, MDPhoenix, AZ 850151033173760

Common questions

What is William Robert Kennedy, MD's NPI number?

William Robert Kennedy, MD's National Provider Identifier (NPI) is 1720433766, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.

Where is William Robert Kennedy, MD located?

The NPPES record lists a practice address at 350 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-6761. Providers update this record themselves, so call before visiting.

How can I verify William Robert Kennedy, MD's license?

NPPES lists Arizona license number 62956, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Robert Kennedy, MD prescribe under Medicare Part D?

In 2024, William Robert Kennedy, MD had 153 Medicare Part D claims for 51 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.

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.