Dr. Efrat Luttwak, MD, MPH
- Medicare services, 2024
- 180
- Medicare patients, 2024
- 69
- Part D claims, 2024
- 101
- Hospital affiliations
- 1
- Industry payments
- $347
- 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. Luttwak's professional email, personal email and mobile number
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Dr. Efrat Luttwak is an internist in New York, New York
Dr. Luttwak practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.
Dr. Luttwak's NPI, 1104552223, was assigned on July 29, 2022. Dr. Luttwak graduated from The Hebrew University of Jerusalem Hadassah Medical School in 2014. Dr. Luttwak holds New York license 32933001.
- NPI
- 1104552223NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486191566
- NPI enumeration date
- July 29, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Efrat Luttwak practices at Memorial Sloan Kettering Cancer Center in New York, New York
Dr. Luttwak'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. Efrat Luttwak is affiliated with 4 sites of care and 3 medical groups
Dr. Luttwak'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 Hematology Lymphoma Group. Dmand AI also links Dr. Luttwak to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Efrat Luttwak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Luttwak practices, 4 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 |
| +3 more sites and 2 medical groups | 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 Memorial Sloan Kettering Cancer Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Efrat Luttwak is one of 9,643 internists in New York
Internal medicine is Dr. Luttwak's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Luttwak is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Luttwak
Counts of internists 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. Efrat Luttwak billed Medicare for 180 services in 2024
CMS data shows 180 Medicare services from Dr. Luttwak across 5 procedure codes in 2024, for 69 Medicare patients. Medicare paid $22,128 for them.
Where Dr. Luttwak's Medicare services took place, 2024
- In an office10558%
- In a facility7542%
Dr. Luttwak compared with the New York median for internists, 2024
- Dr. Luttwak
- New York median
- Medicare services
- 180vs 42658% below
- Medicare patients
- 69vs 15856% below
- Part D claims
- 34vs 62295% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Luttwak'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Efrat Luttwak treated 69 Medicare patients in 2024, average age 74
CMS counts 69 Medicare patients who saw Dr. Luttwak 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 1.59, 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. Luttwak's median patient age at 73, with 53% women.
Dr. Luttwak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Luttwak's Medicare patients by sex, 2024
- Women4058%
- Men2942%
Chronic conditions among Dr. Luttwak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Anxiety39%
- Ischemic heart disease36%
- Diabetes30%
- Cancer26%
- Atrial fibrillation25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Luttwak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Efrat Luttwak wrote 101 Medicare Part D claims in 2024
In 2024, Dr. Luttwak wrote 101 Medicare Part D claims for 29 patients. 90% of them were for generic drugs. CMS names the drug for 34 of them, across 2 drugs with 11 or more claims each, at $349 in total drug cost.
Dr. Luttwak's Part D claims by kind of drug, 2024
- Generic91 claims90%
- Brand-name and other10 claims10%
Dr. Luttwak'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.
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. Efrat Luttwak offers telehealth to Medicare patients
Dr. Luttwak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Luttwak as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Efrat Luttwak received $347 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Luttwak from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. ADC Therapeutics America, Inc. paid the most, $131.
General payments to Dr. Luttwak by program year, 2024 to 2025
Companies that paid Dr. Luttwak the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Efrat Luttwak graduated from The Hebrew University of Jerusalem Hadassah Medical School
Dr. Luttwak graduated from The Hebrew University of Jerusalem Hadassah Medical School in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Efrat Luttwak'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) |
| 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. Efrat Luttwak
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. Efrat Luttwak's NPI number?
Dr. Efrat Luttwak's NPI number is 1104552223. It was assigned on July 29, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Efrat Luttwak?
Dr. Efrat Luttwak is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Efrat Luttwak practice?
Dr. Luttwak practices at 1275 York Avenue, New York, NY 10065. Dr. Luttwak'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. Luttwak to 3 group practices and clinics and 2 medical groups.
What is Dr. Efrat Luttwak's medical license number?
Dr. Luttwak holds New York license 32933001.
Which hospitals is Dr. Efrat Luttwak affiliated with?
Dr. Luttwak practices at Memorial Sloan Kettering Cancer Center in New York, New York.
What medical group is Dr. Efrat Luttwak part of?
Dr. Luttwak is linked to Memorial Hematology Lymphoma Group. Dmand AI links Dr. Luttwak to 2 more medical groups.
Does Dr. Efrat Luttwak accept Medicare?
Yes. CMS data shows Dr. Luttwak billed Medicare for 180 services in 2024, and Dr. Luttwak accepts Medicare assignment.
Does Dr. Efrat Luttwak offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Luttwak as offering telehealth services.
How many Medicare patients does Dr. Efrat Luttwak see?
CMS counts 69 Medicare patients who saw Dr. Luttwak in 2024, with an average age of 74.
What services does Dr. Efrat Luttwak bill to Medicare?
In 2024, Dr. Luttwak's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99233) and office visit, established patient (99214).
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Where did Dr. Efrat Luttwak go to medical school?
Dr. Luttwak graduated from The Hebrew University of Jerusalem Hadassah Medical School in 2014.
What drugs does Dr. Efrat Luttwak prescribe most?
In 2024 Medicare Part D data, Dr. Luttwak's most prescribed drugs by claims were Prednisone and Acyclovir.
Has Dr. Efrat Luttwak received payments from drug or device companies?
CMS Open Payments shows $347 in general payments to Dr. Luttwak from 4 companies from 2024 to 2025. The largest total came from ADC Therapeutics America, Inc.
How long has Dr. Efrat Luttwak been practicing?
Dr. Luttwak graduated from medical school in 2014, 12 years ago.
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