AdenocarcinomaCarcinoma, Pancreatic DuctalGene Dosage
Dr. David P. Kelsen, MD
NPI1275504060
- Medicare services, 2024
- 101
- Medicare patients, 2024
- 56
- Part D claims, 2024
- 31
- Publications
- 295
- Clinical trials
- 9
- Practice address
- 1275 York Avenue, New York, NY 10065
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kelsen'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. David P. Kelsen is a medical oncologist in New York, New York
Dr. Kelsen practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.
Dr. Kelsen's NPI, 1275504060, was assigned on January 30, 2006. Dr. Kelsen graduated from Drexel University College Of Medicine in 1972. Dr. Kelsen holds New York license 127093.
NPI and contact details
- NPI
- 1275504060NPI Registry (opens in a new tab)
- NPI enumeration date
- January 30, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David P. Kelsen practices at Memorial Sloan Kettering Cancer Center in New York, New York
Dr. Kelsen's primary practice is Memorial Sloan Kettering Cancer Center, at 1275 York Avenue, New York, NY 10065.
- Memorial Sloan Kettering Cancer Center1275 York Avenue, New York, NY 10065
Source: Dmand AI Affiliation Data
Dr. David P. Kelsen is affiliated with 3 sites of care and 2 medical groups
Dr. Kelsen's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. The medical group on file is Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. Kelsen to 2 more group practices and clinics and 1 medical group, each named with a free account.
Memorial Sloan Kettering Cancer Center2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. KelsenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David P. Kelsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kelsen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Sloan Kettering Cancer Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David P. Kelsen is one of 458 medical oncologists in New York
Medical oncology is Dr. Kelsen's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Kelsen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Kelsen's licenses on file in 4 states: New York, Florida, New Jersey and Pennsylvania.
Specialties and state licenses
- Medical oncology, New YorkPrimary
- Florida license
- New Jersey license
- Pennsylvania license
Clinical focus
Dmand AI lists breast cancer, colorectal cancer and lung cancer among the conditions Dr. Kelsen treats.
Medical oncologists near Dr. Kelsen
Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.
458medical oncologists in New York330medical oncologists in New York141medical oncologists at Memorial Sloan Kettering Cancer Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David P. Kelsen billed Medicare for 101 services in 2024
CMS data shows 101 Medicare services from Dr. Kelsen across 2 procedure codes in 2024, for 56 Medicare patients. Medicare paid $9,035 for them.
Medicare services, 2024101
Medicare patients56
Paid by Medicare$9,035
Procedure codes2
Dr. Kelsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4012024: 10175%
Where Dr. Kelsen's Medicare services took place, 2024
- In an office3333%
- In a facility6867%
Dr. Kelsen compared with the New York median for medical oncologists, 2024
- Dr. Kelsen
- New York median
- Medicare services
- 101vs 34070% below
- Medicare patients
- 56vs 11250% below
- Part D claims
- 57vs 13056% below
Medians across 421 medical oncologists in New York with Dmand AI profiles that report each measure.
Dr. Kelsen'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. Kelsen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kelsen and other medical oncologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David P. Kelsen treated 56 Medicare patients in 2024, average age 73
CMS counts 56 Medicare patients who saw Dr. Kelsen in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.81, 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. Kelsen's median patient age at 61, with 63% women.
Medicare patients, 202456
Average age73
Average risk score3.81
Dr. Kelsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kelsen's Medicare patients by sex, 2024
- Women2138%
- Men3563%
Chronic conditions among Dr. Kelsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer57%
- Diabetes41%
- Arthritis38%
- Anxiety36%
- Ischemic heart disease36%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kelsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women63%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David P. Kelsen wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Kelsen wrote 31 Medicare Part D claims for 13 patients. 61% of them were for generic drugs. They cover 4 drugs, with $9,997 in total drug cost. In 2021, CMS named 79 claims across 5 drugs.
Part D claims, 202431
Drugs named by CMS4
Total drug cost$9,997
Part D patients13
Dr. Kelsen's Part D claims by kind of drug, 2024
- Generic19 claims61%
- Brand-name and other12 claims39%
Dr. Kelsen's most prescribed drugs by claims, 2023
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, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 792023: 5728%
Drugs named by CMS: 4 in 2023, 5 in 2021.
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. David P. Kelsen scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Kelsen for performance year 2024, reported as part of a group.
Dr. Kelsen's MIPS scores, performance year 2024
- 80of 100Final score
- 71.5of 100Quality
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David P. Kelsen has 295 publications on record
Dmand AI links 295 papers to Dr. Kelsen, published from 2004 to 2025. 2020 was the busiest year, with 16. The most frequent topics are Adenocarcinoma, Antineoplastic Combined Chemotherapy Protocols and Esophageal Neoplasms. Dr. Kelsen has published most often in J Clin Oncol. Dr. Kelsen's most frequent co-authors are David H. Ilson, MD, Eileen M. O'Reilly, MD and Manish A. Shah, MD.
Papers295
Years published2004 to 2025
Dr. Kelsen's papers by year, 2016 to 2025
Topics Dr. Kelsen writes about most
- Adenocarcinoma
- Antineoplastic Combined Chemotherapy Protocols
- Esophageal Neoplasms
- Stomach Neoplasms
- Cisplatin
- Fluorouracil
- Pancreatic Neoplasms
- Carcinoma, Squamous Cell
Dr. Kelsen's most frequent co-authors
- David H. Ilson, MD51 shared papers
- Eileen M. O'Reilly, MD41 shared papers
- Manish A. Shah, MD40 shared papers
Recent publications by Dr. Kelsen
BiopsyExtracellular TrapsLiver
DNA DamageNF-E2-Related Factor 2Oxidative Stress
Age of OnsetColorectal NeoplasmsGenetic Loci
See who Dr. Kelsen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kelsen 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. David P. Kelsen has worked on 9 clinical trials
Dmand AI links Dr. Kelsen to 9 clinical trials, 5 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Stomach Neoplasms, Adenocarcinoma Of Esophagus and Stomach Diseases. Memorial Sloan Kettering Cancer Center sponsors the most, 7.
Clinical trials with Dr. Kelsen by phase
- 2Phase 1: 2 trials
- 5Phase 2: 5 trials
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Kelsen's trials
- Stomach Neoplasms
- Adenocarcinoma Of Esophagus
- Stomach Diseases
- Esophageal Squamous Cell Carcinoma
- Pancreatic Neoplasms
Investigators on the most trials with Dr. Kelsen
- Susan M. Domchek, MD1 shared trial
- Pablo Ferraro, MD1 shared trial
- Smitha S. Krishnamurthi, MD1 shared trial
Recent clinical trials with Dr. Kelsen
Stomach NeoplasmsStomach DiseasesDocetaxel, Cisplatin, Fluorouracil, Neulasta, or NeupogenDocetaxel, Leucovorin, Fluorouracil, CisplatinDocetaxel, Leukvorin, Flurouracil, Cisplatin, Trastuzumab
Stomach NeoplasmsStomach Diseases
Adenocarcinoma Of EsophagusStomach NeoplasmsRadiation therapyCisplatinPaclitaxel
Adenocarcinoma Of EsophagusStomach NeoplasmsCisplatinDocetaxelFloxuridine
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. David P. Kelsen received $140,272 in industry payments from 2017 to 2025
CMS Open Payments shows 38 general payments to Dr. Kelsen from 15 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $25,385.
General payments to Dr. Kelsen by program year, 2017 to 2025
General payments to Dr. Kelsen by kind, 2017 to 2025
$140.3Kin total
- Consulting fees$139,667100%
- Food and beverage$3220%
- Travel and lodging$2820%
Companies that paid Dr. Kelsen the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David P. Kelsen has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Kelsen, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Kelsen
- 2014
- America's Top Doctors
- New York Magazine: Top Doctors
- Top Doctors: New York Metro Area
- 2013
- America's Top Doctors for Cancer
Source: Dmand AI Professional Profile Data
Dr. David P. Kelsen graduated from Drexel University College Of Medicine
Dr. Kelsen graduated from Drexel University College Of Medicine in 1972.
- Medical school
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. David P. Kelsen accepts plans from 12 insurance carriers
Dr. Kelsen is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- MVP Health Care
- +4 more carriersWith a free account
Plan types Dr. Kelsen accepts, by number of carriers
- PPO9
- Medicare7
- EPO5
- POS5
- HMO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. David P. Kelsen'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 | Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. David P. Kelsen
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. David P. Kelsen's NPI number?
Dr. David P. Kelsen's NPI number is 1275504060. It was assigned on January 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David P. Kelsen?
Dr. David P. Kelsen is a medical oncologist in New York, New York. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. David P. Kelsen practice?
Dr. Kelsen practices at 1275 York Avenue, New York, NY 10065. Dr. Kelsen's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. Kelsen to 2 group practices and clinics and 1 medical group.
What is Dr. David P. Kelsen's medical license number?
Dr. Kelsen holds New York license 127093, one of the licenses on file in 4 states.
Which states has Dr. David P. Kelsen been licensed in?
Dmand AI has state licenses on file for Dr. Kelsen in New York (1976 to 2027), Florida (since 2022), New Jersey (2019 to 2027) and Pennsylvania (1973 to 1990).
Which hospitals is Dr. David P. Kelsen affiliated with?
Dr. Kelsen practices at Memorial Sloan Kettering Cancer Center in New York, New York.
What medical group is Dr. David P. Kelsen part of?
Dr. Kelsen is linked to Memorial Sloan Kettering Cancer Center. Dmand AI links Dr. Kelsen to 1 more medical group.
Does Dr. David P. Kelsen accept Medicare?
Yes. CMS data shows Dr. Kelsen billed Medicare for 101 services in 2024.
What is Dr. David P. Kelsen's MIPS score?
Dr. Kelsen's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Dr. David P. Kelsen see?
CMS counts 56 Medicare patients who saw Dr. Kelsen in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. David P. Kelsen board certified?
Yes. Dr. Kelsen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. David P. Kelsen bill to Medicare?
In 2024, Dr. Kelsen's most billed Medicare services were hospital inpatient care (99233) and office visit, established patient (99214).
Where did Dr. David P. Kelsen go to medical school?
Dr. Kelsen graduated from Drexel University College Of Medicine in 1972.
What drugs does Dr. David P. Kelsen prescribe most?
In 2023 Medicare Part D data, Dr. Kelsen's most prescribed drugs by claims were Pantoprazole Sodium, Prednisone and Xarelto.
Has Dr. David P. Kelsen received payments from drug or device companies?
CMS Open Payments shows $140,272 in general payments to Dr. Kelsen from 15 companies from 2017 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. David P. Kelsen been practicing?
Dr. Kelsen graduated from medical school in 1972, 54 years ago.
Does Dr. David P. Kelsen do research?
Dmand AI links 295 publications to Dr. Kelsen, published from 2004 to 2025. Dr. Kelsen has worked on 9 clinical trials.
Who does Dr. David P. Kelsen publish with?
Dr. Kelsen's most frequent co-authors are David H. Ilson, MD (51 shared papers), Eileen M. O'Reilly, MD (41 shared papers) and Manish A. Shah, MD (40 shared papers).
What insurance does Dr. David P. Kelsen accept?
Dr. Kelsen is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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