Dr. Ian Robert Hantman, MD

  • New Rochelle, NY
  • Hematologist and oncologist
NPI1609061043PAC ID8628128642
Medicare services, 2024
18,530
Medicare patients, 2024
201
Part D claims, 2024
432
Hospital affiliations
2
Industry payments
$46,276
Practice address
175 Memorial Hwy, New Rochelle, NY 10801-5635
Practice phone
Call (914) 632-3814
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Westchester CancerCare

Physician office · New Rochelle, New York

See all 3 affiliations

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Dr. Ian Robert Hantman is a hematologist and oncologist in New Rochelle, New York

Dr. Hantman practices at Westchester CancerCare in New Rochelle, New York.

Dr. Hantman's NPI, 1609061043, was assigned on September 10, 2007. Dr. Hantman graduated from Ross University School of Medicine in 2003. Dr. Hantman holds New York license NY252650.

NPI and contact details
Medicare PAC ID
8628128642
NPI enumeration date
September 10, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(914) 632-3814
Professional email
Get email
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. Ian Robert Hantman practices at Westchester CancerCare in New Rochelle, New York

Dr. Hantman's primary practice is Westchester CancerCare, at 175 Memorial Hwy, New Rochelle, NY 10801-5635. The practice phone is (914) 632-3814.

  • Westchester CancerCare
    175 Memorial Hwy, New Rochelle, NY 10801-5635Phone(914) 632-3814

Source: Dmand AI Affiliation Data

Dr. Ian Robert Hantman is affiliated with 3 sites of care

Dr. Hantman's primary practice is Westchester CancerCare in New Rochelle, New York. Dr. Hantman is also affiliated with Montefiore New Rochelle Hospital. Dmand AI also links Dr. Hantman to 1 more hospital, named with a free account.

Westchester CancerCarePhysician office · New Rochelle, New YorkPrimary
Montefiore New Rochelle HospitalAcute care hospital, New Rochelle, NY1 hospitalName with a free account
See all 3 affiliations for Dr. Hantman

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ian Robert Hantman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hantman practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Westchester CancerCareAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ian Robert Hantman is one of 996 hematologists and oncologists in New York

Hematology and oncology is Dr. Hantman's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Hantman is licensed in New York.

Specialties and state licenses

  • Hematology and oncology, New YorkPrimaryLicense NY252650 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Hantman

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

996hematologists and oncologists in New York
2hematologists and oncologists in New Rochelle

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ian Robert Hantman billed Medicare for 18,530 services in 2024

CMS data shows 18,530 Medicare services from Dr. Hantman across 12 procedure codes in 2024, for 201 Medicare patients. Medicare paid $117,648 for them.

Medicare services, 202418,530
Medicare patients201
Paid by Medicare$117,648
Procedure codes12

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

  • 2023
  • 2024
Drugs given in the office
2023: 30,6812024: 16,00048%
Office and hospital visits
2023: 1,2592024: 1,13010%
Surgery
2023: 6622024: 56914%
Lab and pathology
2023: 6612024: 56515%
Tests and treatments
2023: 2962024: 26610%

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

  • In an office18,41599%
  • In a facility1151%

Dr. Hantman compared with the New York median for hematologists and oncologists, 2024

  • Dr. Hantman
  • New York median
Medicare services
18,530vs 66827.7 times
Medicare patients
201vs 210Close to median
Part D claims
355vs 25838% above

Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.

Dr. Hantman'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. Hantman

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

Dr. Ian Robert Hantman treated 201 Medicare patients in 2024, average age 76

CMS counts 201 Medicare patients who saw Dr. Hantman in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.76, 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. Hantman's median patient age at 62, with 72% women.

Medicare patients, 2024201
Average age76
Average risk score1.76
Also on Medicaid26%

Dr. Hantman's Medicare patients by age, 2024

Dr. Hantman's Medicare patients by sex, 2024

  • Women12060%
  • Men8140%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes48%
  4. Arthritis46%
  5. Cancer39%
  6. Chronic kidney disease28%
  7. Ischemic heart disease27%
  8. COPD25%

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

Dr. Hantman's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women72%
  • Men25%

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

Dr. Ian Robert Hantman wrote 432 Medicare Part D claims in 2024

In 2024, Dr. Hantman wrote 432 Medicare Part D claims for 97 patients. 84% of them were for generic drugs. CMS names the drug for 355 of them, across 9 drugs with 11 or more claims each, at $404,830 in total drug cost. In 2023, CMS named 389 claims across 12 drugs.

Part D claims, 2024432
Drugs named by CMS9
Total drug cost$404,830
Part D patients97

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

  • Generic363 claims84%
  • Brand-name69 claims16%

Dr. Hantman'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: 3892024: 3559%

Drugs named by CMS: 9 in 2024, 12 in 2023.

See all prescribing by Dr. Hantman

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. Ian Robert Hantman scored 0 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Hantman for performance year 2024, reported individually. Dr. Hantman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hantman as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Hantman's MIPS scores, performance year 2024

  • 0of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 0of 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. Ian Robert Hantman received $46,276 in industry payments from 2016 to 2025

CMS Open Payments shows 1,801 general payments to Dr. Hantman from 79 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Celgene Corporation paid the most, $9,446.

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

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

$46.3Kin total
  • Food and beverage$35,09976%
  • Speaker and faculty fees$7,00015%
  • Consulting fees$3,1257%
  • Education$1,0162%
  • Travel and lodging$350%

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

Share is of all general payments to this clinician.

See all payments to Dr. Hantman

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

Dr. Ian Robert Hantman graduated from Ross University School of Medicine

Dr. Hantman graduated from Ross University School of Medicine in 2003.

  1. Medical schoolRoss University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Ian Robert Hantman'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 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)
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. Ian Robert Hantman

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. Ian Robert Hantman's NPI number?

Dr. Ian Robert Hantman's NPI number is 1609061043. It was assigned on September 10, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ian Robert Hantman?

Dr. Ian Robert Hantman is a hematologist and oncologist in New Rochelle, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Ian Robert Hantman practice?

Dr. Hantman practices at 175 Memorial Hwy, New Rochelle, NY 10801-5635. Dr. Hantman's primary practice is Westchester CancerCare in New Rochelle, New York. Dmand AI also links Dr. Hantman to 1 hospital.

What is Dr. Ian Robert Hantman's office phone number?

The practice phone on file for Dr. Hantman is (914) 632-3814.

What is Dr. Ian Robert Hantman's medical license number?

Dr. Hantman holds New York license NY252650.

Which hospitals is Dr. Ian Robert Hantman affiliated with?

Dr. Hantman is affiliated with Montefiore New Rochelle Hospital. Dmand AI links Dr. Hantman to 1 more hospital.

Does Dr. Ian Robert Hantman accept Medicare?

Yes. CMS data shows Dr. Hantman billed Medicare for 18,530 services in 2024, and Dr. Hantman accepts Medicare assignment.

Does Dr. Ian Robert Hantman offer telehealth?

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

What is Dr. Ian Robert Hantman's MIPS score?

Dr. Hantman's MIPS final score for performance year 2024 is 0 out of 100, reported individually.

How many Medicare patients does Dr. Ian Robert Hantman see?

CMS counts 201 Medicare patients who saw Dr. Hantman in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Ian Robert Hantman bill to Medicare?

In 2024, Dr. Hantman's most billed Medicare services were injected or infused drug (J1756), surgery: heart and blood vessels (36415) and lab and pathology test (85025).

Where did Dr. Ian Robert Hantman go to medical school?

Dr. Hantman graduated from Ross University School of Medicine in 2003.

What drugs does Dr. Ian Robert Hantman prescribe most?

In 2024 Medicare Part D data, Dr. Hantman's most prescribed drugs by claims were Letrozole, Hydroxyurea and Tamoxifen Citrate.

Has Dr. Ian Robert Hantman received payments from drug or device companies?

CMS Open Payments shows $46,276 in general payments to Dr. Hantman from 79 companies from 2016 to 2025. The largest total came from Celgene Corporation.

How long has Dr. Ian Robert Hantman been practicing?

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

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