Don S. Dizon, MD
Medical Oncology Physician · Providence, RI
Don S. Dizon, MD is a medical oncology physician with a practice address in Providence, Rhode Island, and NPI 1376573394, issued on Jul 4, 2006. Check the license on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Don S. Dizon
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 222651 MA
Self-reported in NPPES; status is on the state search - Practice location
- 101 Dudley St, Providence, RI 02905
- Phone
- (401) 274-1100
- Enumerated
- Jul 4, 2006
- Record last updated
- Dec 2, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060502000347); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
7 nearest medical oncology physician records → All 8 in Rhode Island → Look up another NPI →
Also registered at 101 Dudley St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Don S. Dizon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and DisciplineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average medical oncology physician in 2024
221 Medicare Part D claims for 53 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Ondansetron Hcl37 claims
- Prochlorperazine Maleate28 claims
- Dexamethasone25 claims
- Lynparza20 claims
- Tamoxifen Citrate13 claims
- Zejula12 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: $9,636.07
8 payments; by number, the most common kind was consulting fee; the largest payer was Abbvie Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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.
Bills Medicare through one group practice
- Pratt Medical Group IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Oncology Physician providers in Rhode Island
There are 8 medical oncology physician records in Rhode Island.
All 8 in Rhode Island → Every provider in Providence → Medical Oncology Physician nationwide →
The 7 medical oncology physician records with the nearest ZIP codes
- Benedito Carneiro, MDProvidence, RI 029061265489371
- Kathryn Decarli, M.D.Providence, RI 029031336596774
- Lucero Grumbles, RNProvidence, RI 029031083547780
- Mohammed Jaloudi, MDProvidence, RI 029031194249565
- Tasha MariettiProvidence, RI 029031760308878
- Todd Roberts, MDProvidence, RI 029081003871336
- Thomas Myers, M.D.Cumberland, RI 028641477854487
Common questions
What is Don S. Dizon, MD's NPI number?
Don S. Dizon, MD's National Provider Identifier (NPI) is 1376573394, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Don S. Dizon, MD located?
The NPPES record lists a practice address at 101 Dudley St, Providence, RI, 02905. Phone: (401) 274-1100. Providers update this record themselves, so call before visiting.
How can I verify Don S. Dizon, MD's license?
Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Don S. Dizon, MD prescribe under Medicare Part D?
In 2024, Don S. Dizon, MD had 221 Medicare Part D claims for 53 beneficiaries; the average among medical oncology physician prescribers was 703. 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.