Dr. James Mark Cleary, MD, PhD

  • Boston, MA
  • Medical oncologist
NPI1922062397PAC ID1456488550
Medicare services, 2024
369
Medicare patients, 2024
88
Part D claims, 2024
242
Publications
106
Clinical trials
10
Practice address
450 Brookline Avenue, Boston, MA 02115
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dana-Farber Cancer Institute

Hospital · Boston, Massachusetts

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Dr. James Mark Cleary is a medical oncologist in Boston, Massachusetts

Dr. Cleary practices at Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute.

Dr. Cleary's NPI, 1922062397, was assigned on April 13, 2006. Dr. Cleary graduated from Albert Einstein College of Medicine of Yeshiva University in 2003. Dr. Cleary holds Massachusetts license 226742.

NPI and contact details
Medicare PAC ID
1456488550
NPI enumeration date
April 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. James Mark Cleary practices at Dana-Farber Cancer Institute in Boston, Massachusetts

Dr. Cleary's primary practice is Dana-Farber Cancer Institute, at 450 Brookline Avenue, Boston, MA 02115.

Source: Dmand AI Affiliation Data

Dr. James Mark Cleary is affiliated with 5 sites of care and 1 medical group

Dr. Cleary's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute. Dr. Cleary is also affiliated with Massachusetts General Hospital. The medical group on file is Binney Medical Group. Dmand AI also links Dr. Cleary to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 6 affiliations for Dr. Cleary

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. James Mark Cleary's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cleary practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dana-Farber Cancer InstituteAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. James Mark Cleary is one of 290 medical oncologists in Massachusetts

Medical oncology is Dr. Cleary's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Cleary is licensed in Massachusetts.

Specialties and state licenses

  • Medical oncology, MassachusettsPrimaryLicense 226742 · taxonomy 207RX0202X

Medical oncologists near Dr. Cleary

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. James Mark Cleary billed Medicare for 369 services in 2024

CMS data shows 369 Medicare services from Dr. Cleary across 4 procedure codes in 2024, all of them office visits, for 88 Medicare patients. Medicare paid $37,499 for them.

Medicare services, 2024369
Medicare patients88
Paid by Medicare$37,499
Procedure codes4

Dr. Cleary's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3092024: 36919%

Where Dr. Cleary's Medicare services took place, 2024

  • In an office31084%
  • In a facility5916%

Dr. Cleary compared with the Massachusetts median for medical oncologists, 2024

  • Dr. Cleary
  • Massachusetts median
Medicare services
369vs 26042% above
Medicare patients
88vs 10919% below
Part D claims
138vs 632.2 times

Medians across 259 medical oncologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Cleary'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.

See all procedures by Dr. Cleary

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. James Mark Cleary treated 88 Medicare patients in 2024, average age 73

CMS counts 88 Medicare patients who saw Dr. Cleary in 2024. The largest group is 65 to 74, with 49 patients. 67% of them have high blood pressure, and 67% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.40, 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. Cleary's median patient age at 70, with 47% women.

Medicare patients, 202488
Average age73
Average risk score2.40
Also on Medicaid13%

Dr. Cleary's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Cleary's Medicare patients by sex, 2024

  • Women4450%
  • Men4450%

Chronic conditions among Dr. Cleary's Medicare patients, 2024

  1. High blood pressure67%
  2. High cholesterol67%
  3. Cancer58%
  4. Arthritis35%
  5. Diabetes34%
  6. Anxiety31%
  7. Ischemic heart disease25%
  8. Mood disorders25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Cleary's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women47%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. James Mark Cleary wrote 242 Medicare Part D claims in 2024

In 2024, Dr. Cleary wrote 242 Medicare Part D claims for 44 patients. 88% of them were for generic drugs. CMS names the drug for 138 of them, across 9 drugs with 11 or more claims each, at $1,476 in total drug cost. In 2023, CMS named 43 claims across 3 drugs.

Part D claims, 2024242
Drugs named by CMS9
Total drug cost$1,476
Part D patients44

Dr. Cleary's Part D claims by kind of drug, 2024

  • Generic214 claims88%
  • Brand-name28 claims12%

Dr. Cleary'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.

Drug classes CMS tracks in Dr. Cleary's Part D claims, 2024

  • Opioids5%13 of 242 claims
  • Antibiotics9%21 of 242 claims
  • Antipsychotics, patients 65 and over5%13 of 242 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 432024: 138221%

Drugs named by CMS: 9 in 2024, 3 in 2023.

See all prescribing by Dr. Cleary

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. James Mark Cleary scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Cleary for performance year 2024, reported as part of a group. Dr. Cleary accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cleary as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Cleary's MIPS scores, performance year 2024

  • 84of 100Final score
  • 65of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 69of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. James Mark Cleary has 106 publications on record

Dmand AI links 106 papers to Dr. Cleary, published from 2012 to 2025. 2024 was the busiest year, with 15. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Pancreatic Neoplasms and Protein Kinase Inhibitors. Dr. Cleary has published most often in Clin Cancer Res. Dr. Cleary's most frequent co-authors are Geoffrey Ira Shapiro, MD, PhD, Andrew J. Aguirre, MD, PhD and Harshabad Singh, MD.

Papers106
Years published2012 to 2025

Dr. Cleary's papers by year, 2016 to 2025

Topics Dr. Cleary writes about most

  • Antineoplastic Combined Chemotherapy Protocols
  • Pancreatic Neoplasms
  • Protein Kinase Inhibitors
  • Adenocarcinoma
  • Carcinoma, Pancreatic Ductal
  • Cell Line, Tumor
  • Biomarkers, Tumor
  • Esophageal Neoplasms

Dr. Cleary's most frequent co-authors

Recent publications by Dr. Cleary

See all 106 publications and co-authors

See who Dr. Cleary researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cleary works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. James Mark Cleary has worked on 10 clinical trials

Dmand AI links Dr. Cleary to 10 clinical trials, 5 of them phase 2 studies. 5 are still active or recruiting. Conditions studied include Pancreatic Neoplasms, Anus Neoplasms and Anal Canal Carcinoma. National Cancer Institute (NCI) sponsors the most, 3.

Clinical trials with Dr. Cleary by phase

  1. 1Phase 1: 1 trial
  2. 2Phase 1/2: 2 trials
  3. 5Phase 2: 5 trials
  4. 1Phase 3: 1 trial
  5. NonePhase 4: no trials

Trials with no phase (devices, behavioral studies) are left out.

Conditions in Dr. Cleary's trials

  • Pancreatic Neoplasms
  • Anus Neoplasms
  • Anal Canal Carcinoma
  • Biliary Tract Neoplasms
  • Fallopian Tube Diseases

Investigators on the most trials with Dr. Cleary

Recent clinical trials with Dr. Cleary

See all 10 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. James Mark Cleary received $69,080 in industry payments from 2016 to 2025

CMS Open Payments shows 64 general payments to Dr. Cleary from 13 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 62% of the total. Genentech, Inc. paid the most, $14,802. It also lists 1 research payment totaling $2,006 in 2023.

General payments to Dr. Cleary by program year, 2016 to 2025

General payments to Dr. Cleary by kind, 2016 to 2025

$69.1Kin total
  • Consulting fees$43,09262%
  • Travel and lodging$13,56720%
  • Speaker and faculty fees$4,3436%
  • Honoraria$4,0326%
  • Other$3,9936%

Companies that paid Dr. Cleary the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cleary

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. James Mark Cleary graduated from Albert Einstein College of Medicine of Yeshiva University

Dr. Cleary graduated from Albert Einstein College of Medicine of Yeshiva University in 2003.

  1. Medical schoolAlbert Einstein College of Medicine of Yeshiva University

Source: Dmand AI Professional Profile Data

Sources for Dr. James Mark Cleary's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. James Mark Cleary

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. James Mark Cleary's NPI number?

Dr. James Mark Cleary's NPI number is 1922062397. It was assigned on April 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James Mark Cleary?

Dr. James Mark Cleary is a medical oncologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. James Mark Cleary practice?

Dr. Cleary practices at 450 Brookline Avenue, Boston, MA 02115. Dr. Cleary's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute. Dmand AI also links Dr. Cleary to 1 hospital, 1 group practice or clinic and 1 home health agency.

What is Dr. James Mark Cleary's medical license number?

Dr. Cleary holds Massachusetts license 226742.

Which hospitals is Dr. James Mark Cleary affiliated with?

Dr. Cleary practices at Dana-Farber Cancer Institute in Boston, Massachusetts. Dr. Cleary is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Cleary to 1 more hospital.

What medical group is Dr. James Mark Cleary part of?

Dr. Cleary is linked to Binney Medical Group.

Does Dr. James Mark Cleary accept Medicare?

Yes. CMS data shows Dr. Cleary billed Medicare for 369 services in 2024, and Dr. Cleary accepts Medicare assignment.

Does Dr. James Mark Cleary offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Cleary as offering telehealth services.

What is Dr. James Mark Cleary's MIPS score?

Dr. Cleary's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

How many Medicare patients does Dr. James Mark Cleary see?

CMS counts 88 Medicare patients who saw Dr. Cleary in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

What services does Dr. James Mark Cleary bill to Medicare?

In 2024, Dr. Cleary's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

Where did Dr. James Mark Cleary go to medical school?

Dr. Cleary graduated from Albert Einstein College of Medicine of Yeshiva University in 2003.

What drugs does Dr. James Mark Cleary prescribe most?

In 2024 Medicare Part D data, Dr. Cleary's most prescribed drugs by claims were Lorazepam, Prochlorperazine Maleate and Omeprazole.

Has Dr. James Mark Cleary received payments from drug or device companies?

CMS Open Payments shows $69,080 in general payments to Dr. Cleary from 13 companies from 2016 to 2025. The largest total came from Genentech, Inc.

How long has Dr. James Mark Cleary been practicing?

Dr. Cleary graduated from medical school in 2003, 23 years ago.

Does Dr. James Mark Cleary do research?

Dmand AI links 106 publications to Dr. Cleary, published from 2012 to 2025. Dr. Cleary has worked on 10 clinical trials.

Who does Dr. James Mark Cleary publish with?

Dr. Cleary's most frequent co-authors are Geoffrey Ira Shapiro, MD, PhD (32 shared papers), Andrew J. Aguirre, MD, PhD (24 shared papers) and Harshabad Singh, MD (22 shared papers).

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