Dr. Isabel Ruth Preeshagul, DO

  • New York, NY
  • Medical oncologist
NPI1427323823PAC ID8022367663
Medicare services, 2024
809
Medicare patients, 2024
245
Part D claims, 2024
541
Publications
30
Clinical trials
1
Practice address
1275 York Avenue, New York, NY 10065
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Memorial Sloan Kettering Cancer Center

Hospital · New York, New York

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Dr. Isabel Ruth Preeshagul is a medical oncologist in New York, New York

Dr. Preeshagul practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.

Dr. Preeshagul's NPI, 1427323823, was assigned on March 19, 2012. Dr. Preeshagul graduated from LECOM at Seton Hill - Greensburg in 2012. Dr. Preeshagul holds New York license 279271.

NPI and contact details
Medicare PAC ID
8022367663
NPI enumeration date
March 19, 2012
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
Female
Estimated age
40
Medical school graduation
2012

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

Dr. Isabel Ruth Preeshagul practices at Memorial Sloan Kettering Cancer Center in New York, New York

Dr. Preeshagul's primary practice is Memorial Sloan Kettering Cancer Center, at 1275 York Avenue, New York, NY 10065.

Source: Dmand AI Affiliation Data

Dr. Isabel Ruth Preeshagul is affiliated with 1 site of care and 2 medical groups

Dr. Preeshagul'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. Preeshagul to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Preeshagul

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

Dmand AI tracks the EHR system at Dr. Isabel Ruth Preeshagul's practice

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

EHR by site
SiteEHR vendor and product
Memorial Sloan Kettering Cancer CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Memorial Sloan Kettering Cancer Center and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Isabel Ruth Preeshagul is one of 458 medical oncologists in New York

Medical oncology is Dr. Preeshagul's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Preeshagul is board certified in internal medicine by the American Board of Internal Medicine. Dr. Preeshagul is licensed in New York.

Specialties and state licenses

  • Medical oncology, New YorkPrimaryLicense 279271 · taxonomy 207RX0202X

Clinical focus

Dmand AI lists breast cancer, lung cancer and prostate cancer among the conditions Dr. Preeshagul treats.

Medical oncologists near Dr. Preeshagul

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. Isabel Ruth Preeshagul billed Medicare for 809 services in 2024

CMS data shows 809 Medicare services from Dr. Preeshagul across 4 procedure codes in 2024, for 245 Medicare patients. Medicare paid $66,049 for them. Every service was in an office.

Medicare services, 2024809
Medicare patients245
Paid by Medicare$66,049
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 6752024: 80920%

Dr. Preeshagul compared with the New York median for medical oncologists, 2024

  • Dr. Preeshagul
  • New York median
Medicare services
809vs 3402.4 times
Medicare patients
245vs 1122.2 times
Part D claims
350vs 1302.7 times

Medians across 421 medical oncologists in New York with Dmand AI profiles that report each measure.

Dr. Preeshagul'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. Preeshagul

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

Dr. Isabel Ruth Preeshagul treated 245 Medicare patients in 2024, average age 74

CMS counts 245 Medicare patients who saw Dr. Preeshagul in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have cancer, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 2.80, 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. Preeshagul's median patient age at 74, with 62% women.

Medicare patients, 2024245
Average age74
Average risk score2.80
Also on Medicaid7%

Dr. Preeshagul's Medicare patients by age, 2024

Dr. Preeshagul's Medicare patients by sex, 2024

  • Women15061%
  • Men9539%

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

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. COPD57%
  5. Arthritis45%
  6. Anxiety41%
  7. Ischemic heart disease39%
  8. Mood disorders32%

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

Dr. Preeshagul's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women62%
  • Men37%

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

Dr. Isabel Ruth Preeshagul wrote 541 Medicare Part D claims in 2024

In 2024, Dr. Preeshagul wrote 541 Medicare Part D claims for 131 patients. 69% of them were for generic drugs. CMS names the drug for 350 of them, across 12 drugs with 11 or more claims each, at $1,530,075 in total drug cost. In 2023, CMS named 360 claims across 10 drugs.

Part D claims, 2024541
Drugs named by CMS12
Total drug cost$1.5M
Part D patients131

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

  • Generic374 claims69%
  • Brand-name167 claims31%

Dr. Preeshagul'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. Preeshagul's Part D claims, 2024

  • Opioids3%16 of 541 claims
  • Antibiotics4%22 of 541 claims
  • Antipsychotics, patients 65 and over3%16 of 541 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: 3602024: 3503%

Drugs named by CMS: 12 in 2024, 10 in 2023.

See all prescribing by Dr. Preeshagul

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. Isabel Ruth Preeshagul 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. Preeshagul for performance year 2024, reported as part of a group. Dr. Preeshagul accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Preeshagul as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Preeshagul'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.

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. Isabel Ruth Preeshagul has 30 publications on record

Dmand AI links 30 papers to Dr. Preeshagul, published from 2012 to 2025. 2020 was the busiest year, with 6. The most frequent topics are Lung Neoplasms, Carcinoma, Non-Small-Cell Lung and Antineoplastic Agents. Dr. Preeshagul has published most often in Clin Cancer Res. Dr. Preeshagul's most frequent co-authors are Matthew D. Hellmann, MD, Charles M. Rudin, MD, PhD and Jamie E. Chaft, MD.

Papers30
Years published2012 to 2025

Dr. Preeshagul's papers by year, 2013 to 2025

Topics Dr. Preeshagul writes about most

  • Lung Neoplasms
  • Carcinoma, Non-Small-Cell Lung
  • Antineoplastic Agents
  • Antineoplastic Combined Chemotherapy Protocols
  • B7-H1 Antigen
  • Biomarkers, Tumor
  • Disease Progression
  • Predictive Value of Tests

Dr. Preeshagul's most frequent co-authors

Recent publications by Dr. Preeshagul

See all 30 publications and co-authors

See who Dr. Preeshagul researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Preeshagul 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. Isabel Ruth Preeshagul has worked on 1 clinical trial

Dmand AI links Dr. Preeshagul to 1 clinical trial.

Investigators on the most trials with Dr. Preeshagul

Recent clinical trials with Dr. Preeshagul

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

Dr. Isabel Ruth Preeshagul received $84,045 in industry payments from 2016 to 2025

CMS Open Payments shows 72 general payments to Dr. Preeshagul from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 75% of the total. AstraZeneca Pharmaceuticals LP paid the most, $39,625. It also lists 2 research payments totaling $4,600 in 2024.

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

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

$84Kin total
  • Consulting fees$63,25275%
  • Speaker and faculty fees$12,69515%
  • Travel and lodging$3,7364%
  • Honoraria$2,5203%
  • Food and beverage$1,8422%

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

Share is of all general payments to this clinician.

See all payments to Dr. Preeshagul

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

Dr. Isabel Ruth Preeshagul graduated from LECOM at Seton Hill - Greensburg

Dr. Preeshagul graduated from LECOM at Seton Hill - Greensburg in 2012.

  1. Medical schoolLECOM at Seton Hill - Greensburg
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine
  4. Board certified in 2022 - presentFL State License
  5. Board certified in 2018 - 2025NJ State License
  6. Board certified in 2015 - 2027NY State License

Source: Dmand AI Professional Profile Data

Dr. Isabel Ruth Preeshagul accepts plans from 4 insurance carriers

Dr. Preeshagul is in network with 4 carriers, including Aetna, Elevance and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • CMS Medicare
  • NY State Medicaid

Plan types Dr. Preeshagul accepts, by number of carriers

  1. EPO2
  2. Medicare2
  3. POS2
  4. PPO2
  5. HMO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Isabel Ruth Preeshagul'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
Insurance carriers and plan typesDmand AI Insurance Network 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. Isabel Ruth Preeshagul

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. Isabel Ruth Preeshagul's NPI number?

Dr. Isabel Ruth Preeshagul's NPI number is 1427323823. It was assigned on March 19, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Isabel Ruth Preeshagul?

Dr. Isabel Ruth Preeshagul 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. Isabel Ruth Preeshagul practice?

Dr. Preeshagul practices at 1275 York Avenue, New York, NY 10065. Dr. Preeshagul'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. Preeshagul to 1 medical group.

What is Dr. Isabel Ruth Preeshagul's medical license number?

Dr. Preeshagul holds New York license 279271.

Which hospitals is Dr. Isabel Ruth Preeshagul affiliated with?

Dr. Preeshagul practices at Memorial Sloan Kettering Cancer Center in New York, New York.

What medical group is Dr. Isabel Ruth Preeshagul part of?

Dr. Preeshagul is linked to Memorial Sloan Kettering Cancer Center. Dmand AI links Dr. Preeshagul to 1 more medical group.

Does Dr. Isabel Ruth Preeshagul accept Medicare?

Yes. CMS data shows Dr. Preeshagul billed Medicare for 809 services in 2024, and Dr. Preeshagul accepts Medicare assignment.

Does Dr. Isabel Ruth Preeshagul offer telehealth?

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

What is Dr. Isabel Ruth Preeshagul's MIPS score?

Dr. Preeshagul'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. Isabel Ruth Preeshagul see?

CMS counts 245 Medicare patients who saw Dr. Preeshagul in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Isabel Ruth Preeshagul board certified?

Yes. Dr. Preeshagul is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Isabel Ruth Preeshagul bill to Medicare?

In 2024, Dr. Preeshagul'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. Isabel Ruth Preeshagul go to medical school?

Dr. Preeshagul graduated from LECOM at Seton Hill - Greensburg in 2012.

What drugs does Dr. Isabel Ruth Preeshagul prescribe most?

In 2024 Medicare Part D data, Dr. Preeshagul's most prescribed drugs by claims were Tagrisso, Dexamethasone and Ondansetron HCl.

Has Dr. Isabel Ruth Preeshagul received payments from drug or device companies?

CMS Open Payments shows $84,045 in general payments to Dr. Preeshagul from 12 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Isabel Ruth Preeshagul been practicing?

Dr. Preeshagul graduated from medical school in 2012, 14 years ago.

Does Dr. Isabel Ruth Preeshagul do research?

Dmand AI links 30 publications to Dr. Preeshagul, published from 2012 to 2025. Dr. Preeshagul has worked on 1 clinical trial.

Who does Dr. Isabel Ruth Preeshagul publish with?

Dr. Preeshagul's most frequent co-authors are Matthew D. Hellmann, MD (7 shared papers), Charles M. Rudin, MD, PhD (7 shared papers) and Jamie E. Chaft, MD (6 shared papers).

What insurance does Dr. Isabel Ruth Preeshagul accept?

Dr. Preeshagul is in network with 4 carriers, including Aetna, Elevance and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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