Dr. Don S. Dizon, MD
- Medicare services, 2024
- 159
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 221
- Publications
- 191
- Clinical trials
- 11
- Practice address
- 800 Washington Street, Boston, MA 02111
- Practice phone
- Call (617) 636-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dizon's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Don S. Dizon is a medical oncologist in Boston, Massachusetts
Dr. Dizon practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.
Dr. Dizon's NPI, 1376573394, was assigned on July 4, 2006. Dr. Dizon graduated from University of Rochester School of Medicine and Dentistry in 1995. Dr. Dizon holds Massachusetts license 222651.
- NPI
- 1376573394NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658272711
- NPI enumeration date
- July 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 636-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Don S. Dizon practices at Tufts Medical Center in Boston, Massachusetts
Dr. Dizon's primary practice is Tufts Medical Center, at 800 Washington Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.
- Tufts Medical Center800 Washington Street, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000
Source: Dmand AI Affiliation Data
Dr. Don S. Dizon is affiliated with 3 sites of care and 1 medical group
Dr. Dizon's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dr. Dizon is also affiliated with Rhode Island Hospital. The medical group on file is Pratt Medical Group, Inc. - General Medical Associates (General Internal Medicine). Dmand AI also links Dr. Dizon to 1 more imaging center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Don S. Dizon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dizon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tufts Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Tufts Medicine and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Don S. Dizon is one of 290 medical oncologists in Massachusetts
Medical oncology is Dr. Dizon's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Dizon is licensed in Massachusetts.
Specialties and state licenses
- Medical oncology, MassachusettsPrimary
Medical oncologists near Dr. Dizon
Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Don S. Dizon billed Medicare for 159 services in 2024
CMS data shows 159 Medicare services from Dr. Dizon across 4 procedure codes in 2024, all of them office visits, for 68 Medicare patients. Medicare paid $12,422 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dizon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1602024: 1591%
Dr. Dizon compared with the Massachusetts median for medical oncologists, 2024
- Dr. Dizon
- Massachusetts median
- Medicare services
- 159vs 26039% below
- Medicare patients
- 68vs 10938% below
- Part D claims
- 135vs 632.1 times
Medians across 259 medical oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Dizon's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Dizon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dizon and other medical oncologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Don S. Dizon treated 68 Medicare patients in 2024, average age 73
CMS counts 68 Medicare patients who saw Dr. Dizon in 2024. The largest group is 65 to 74, with 38 patients. 75% of them have cancer, and 75% have high cholesterol. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Dizon's median patient age at 65, with 87% women.
Dr. Dizon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Dizon's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure68%
- Arthritis53%
- Anxiety38%
- Osteoporosis32%
- Diabetes25%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dizon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women87%
- Men13%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Don S. Dizon wrote 221 Medicare Part D claims in 2024
In 2024, Dr. Dizon wrote 221 Medicare Part D claims for 53 patients. 77% of them were for generic drugs. CMS names the drug for 135 of them, across 6 drugs with 11 or more claims each, at $529,950 in total drug cost. In 2023, CMS named 118 claims across 7 drugs.
Dr. Dizon's Part D claims by kind of drug, 2024
- Generic170 claims77%
- Brand-name51 claims23%
Dr. Dizon's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1182024: 13514%
Drugs named by CMS: 6 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Don S. Dizon offers telehealth to Medicare patients
Dr. Dizon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dizon as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Don S. Dizon has 191 publications on record
Dmand AI links 191 papers to Dr. Dizon, published from 2005 to 2025. 2023 was the busiest year, with 14. The most frequent topics are Breast Neoplasms, Ovarian Neoplasms and Antineoplastic Combined Chemotherapy Protocols. Dr. Dizon has published most often in Gynecol Oncol. Dr. Dizon's most frequent co-authors are Jennifer S. Gass, MD, Richard T. Penson, MD and Deanna J. Attai, MD.
Dr. Dizon's papers by year, 2016 to 2025
Topics Dr. Dizon writes about most
- Breast Neoplasms
- Ovarian Neoplasms
- Antineoplastic Combined Chemotherapy Protocols
- Medical Oncology
- Social Media
- Antineoplastic Agents
- Endometrial Neoplasms
- Sexual Dysfunction, Physiological
Dr. Dizon's most frequent co-authors
- Jennifer S. Gass, MD9 shared papers
- Richard T. Penson, MD8 shared papers
- Deanna J. Attai, MD7 shared papers
Recent publications by Dr. Dizon
J Natl Compr Canc Netw
See who Dr. Dizon researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dizon works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Don S. Dizon has worked on 11 clinical trials
Dmand AI links Dr. Dizon to 11 clinical trials, 3 of them phase 2 studies. 4 are still active or recruiting. Conditions studied include Fallopian Tube Diseases, Ovarian Neoplasms and Fallopian Tube Neoplasms. Brown University sponsors the most, 3. Open Payments lists research payments to Dr. Dizon that name 2 trials.
Clinical trials with Dr. Dizon by phase
- 2Phase 1: 2 trials
- 3Phase 2: 3 trials
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Dizon's trials
- Fallopian Tube Diseases
- Ovarian Neoplasms
- Fallopian Tube Neoplasms
- Ovarian Diseases
- Adenocarcinoma, Clear Cell
Investigators on the most trials with Dr. Dizon
- Cara A. Mathews, MD3 shared trials
- Erika P. Hamilton, MD2 shared trials
- Merry Jennifer Markham, MD2 shared trials
Recent clinical trials with Dr. Dizon
A Phase II Study With a Safety lead-in of Nivolumab in Combination With Bevacizumab or in Combination With Bevacizumab and Rucaparib for the Treatment of Relapsed Epithelial Ovarian, Fallopian Tube or Peritoneal Cancer (opens in a new tab)
BrUOG 354: A Phase II Randomized Trial of Nivolumab +/- Ipilimumab for Ovarian and Extra-renal Clear Cell Carcinomas (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Don S. Dizon received $104,795 in industry payments from 2016 to 2025
CMS Open Payments shows 71 general payments to Dr. Dizon from 14 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 72% of the total. Pfizer Inc. paid the most, $33,228. It also lists 4 research payments totaling $3,773 from 2019 to 2023, naming 2 clinical trials.
General payments to Dr. Dizon by program year, 2016 to 2025
General payments to Dr. Dizon by kind, 2016 to 2025
- Consulting fees$75,16772%
- Speaker and faculty fees$15,98415%
- Travel and lodging$10,30210%
- Food and beverage$1,9782%
- Other$1,3501%
Companies that paid Dr. Dizon the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Don S. Dizon graduated from University of Rochester School of Medicine and Dentistry
Dr. Dizon graduated from University of Rochester School of Medicine and Dentistry in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Don S. Dizon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Don S. Dizon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Don S. Dizon's NPI number?
Dr. Don S. Dizon's NPI number is 1376573394. It was assigned on July 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Don S. Dizon?
Dr. Don S. Dizon is a medical oncologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Don S. Dizon practice?
Dr. Dizon practices at 800 Washington Street, Boston, MA 02111. Dr. Dizon's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Dizon to 1 imaging center.
What is Dr. Don S. Dizon's office phone number?
The practice phone on file for Dr. Dizon is (617) 636-5000.
What is Dr. Don S. Dizon's medical license number?
Dr. Dizon holds Massachusetts license 222651.
Which hospitals is Dr. Don S. Dizon affiliated with?
Dr. Dizon practices at Tufts Medical Center in Boston, Massachusetts. Dr. Dizon is also affiliated with Rhode Island Hospital.
What medical group is Dr. Don S. Dizon part of?
Dr. Dizon is linked to Pratt Medical Group, Inc. - General Medical Associates (General Internal Medicine).
Does Dr. Don S. Dizon accept Medicare?
Yes. CMS data shows Dr. Dizon billed Medicare for 159 services in 2024, and Dr. Dizon accepts Medicare assignment.
Does Dr. Don S. Dizon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dizon as offering telehealth services.
How many Medicare patients does Dr. Don S. Dizon see?
CMS counts 68 Medicare patients who saw Dr. Dizon in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Don S. Dizon bill to Medicare?
In 2024, Dr. Dizon's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99205).
Where did Dr. Don S. Dizon go to medical school?
Dr. Dizon graduated from University of Rochester School of Medicine and Dentistry in 1995.
What drugs does Dr. Don S. Dizon prescribe most?
In 2024 Medicare Part D data, Dr. Dizon's most prescribed drugs by claims were Ondansetron HCl, Prochlorperazine Maleate and Dexamethasone.
Has Dr. Don S. Dizon received payments from drug or device companies?
CMS Open Payments shows $104,795 in general payments to Dr. Dizon from 14 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Don S. Dizon been practicing?
Dr. Dizon graduated from medical school in 1995, 31 years ago.
Does Dr. Don S. Dizon do research?
Dmand AI links 191 publications to Dr. Dizon, published from 2005 to 2025. Dr. Dizon has worked on 11 clinical trials.
Who does Dr. Don S. Dizon publish with?
Dr. Dizon's most frequent co-authors are Jennifer S. Gass, MD (9 shared papers), Richard T. Penson, MD (8 shared papers) and Deanna J. Attai, MD (7 shared papers).
Selling to medical oncology practices?
See medical oncologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card