William Sperduto, MD
Internal Medicine Physician · Phoenix, AZ
William Sperduto, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1265162689, issued on Jun 16, 2022. Check the license (Arizona R79405, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Sperduto
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R79405 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5777 E Mayo Blvd, Phoenix, AZ 85054
- Phone
- (480) 342-2000
- Enumerated
- Jun 16, 2022
- Record last updated
- Jun 28, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 5777 E Mayo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Sperduto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R79405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
40 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Memantine Hcl13 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: $50.24
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Sperduto among 2,853 internal medicine physician records in Arizona
William Sperduto, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Neera Agrwal, M.D.Phoenix, AZ 850541992780522
- Nneoma Alozie, MDPhoenix, AZ 850541912642695
- Gary Betz, MDPhoenix, AZ 850541518959527
- Cody Cunningham, MD, PHDPhoenix, AZ 850541700519899
- John Demenkoff, M.D.Phoenix, AZ 850541295718419
- Susan Hagstrom, M.D.Phoenix, AZ 850541235112061
- Georgiana Halterman, M.D.Phoenix, AZ 850541245214816
- Lisa Hurst, M.D.Phoenix, AZ 850541417930132
Common questions
What is William Sperduto, MD's NPI number?
William Sperduto, MD's National Provider Identifier (NPI) is 1265162689, issued on Jun 16, 2022. An NPI identifies a provider in billing; it is not a license.
Where is William Sperduto, MD located?
The NPPES record lists a practice address at 5777 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 342-2000. Providers update this record themselves, so call before visiting.
How can I verify William Sperduto, MD's license?
NPPES lists Arizona license number R79405, 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 Sperduto, MD prescribe under Medicare Part D?
In 2024, William Sperduto, MD had 40 Medicare Part D claims for 22 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.