Dr. Leora Idit Horwitz, MD, MHS
- Medicare services, 2024
- 64
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 13
- Publications
- 168
- Clinical trials
- 7
- Practice address
- 550 1st Ave, New York, NY 10016
- Practice phone
- Call (212) 263-1481
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYU Langone - Tisch Hospital
New York, New York
Find Dr. Horwitz'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. Leora Idit Horwitz is an internist in New York, New York
Dr. Horwitz practices at NYU Langone - Tisch Hospital in New York, New York.
Dr. Horwitz's NPI, 1841334810, was assigned on February 16, 2007. Dr. Horwitz graduated from Harvard Medical School in 2000. Dr. Horwitz holds New York license 221998.
- NPI
- 1841334810NPI Registry (opens in a new tab)
- NPI enumeration date
- February 16, 2007
- NPI status
- Active
- Practice phone
- (212) 263-1481
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Leora Idit Horwitz practices at NYU Langone - Tisch Hospital in New York, New York
Dr. Horwitz's primary practice is NYU Langone - Tisch Hospital, at 550 1st Ave, New York, NY 10016 in New York County. The practice phone is (212) 263-1481.
- NYU Langone - Tisch Hospital550 1st Ave, New York, NY 10016 · New York CountyPhone(212) 263-1481
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leora Idit Horwitz is affiliated with 2 sites of care and 1 medical group
Dr. Horwitz's primary practice is NYU Langone - Tisch Hospital in New York, New York. Dr. Horwitz is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leora Idit Horwitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horwitz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone - Tisch Hospital | Available with a free account |
| +1 more affiliated site | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leora Idit Horwitz is one of 9,643 internists in New York
Internal medicine is Dr. Horwitz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Horwitz's licenses on file in 2 states: New York and Connecticut.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- Connecticut license
Internists near Dr. Horwitz
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. Leora Idit Horwitz billed Medicare for 64 services in 2024
CMS data shows 64 Medicare services from Dr. Horwitz across 2 procedure codes in 2024, for 28 Medicare patients. Medicare paid $4,785 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Horwitz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 882024: 6427%
Dr. Horwitz compared with the New York median for internists, 2024
- Dr. Horwitz
- New York median
- Medicare services
- 64vs 42685% below
- Medicare patients
- 28vs 15882% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Horwitz'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. Horwitz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Horwitz and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leora Idit Horwitz treated 28 Medicare patients in 2024, average age 75
CMS counts 28 Medicare patients who saw Dr. Horwitz in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 4.05, 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. Horwitz's median patient age at 70, with 40% women.
Dr. Horwitz's Medicare patients by sex, 2024
- Women1139%
- Men1761%
Chronic conditions among Dr. Horwitz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease71%
- Ischemic heart disease68%
- Heart failure61%
- Arthritis57%
- Diabetes57%
- Atrial fibrillation54%
Share of Medicare patients with each condition. A patient can have several.
Dr. Horwitz'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
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leora Idit Horwitz wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Horwitz wrote 13 Medicare Part D claims. 85% of them were for generic drugs.
Dr. Horwitz's Part D claims by kind of drug, 2024
- Generic11 claims85%
- Brand-name and other2 claims15%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Leora Idit Horwitz scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Horwitz for performance year 2024, reported as part of a group.
Dr. Horwitz's MIPS scores, performance year 2024
- 91of 100Final score
- 91.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leora Idit Horwitz has 168 publications on record
Dmand AI links 168 papers to Dr. Horwitz, published from 2007 to 2025. 2020 was the busiest year, with 10. The most frequent topics are Patient Readmission, Patient Discharge and Medicare. Dr. Horwitz has published most often in J Hosp Med. Dr. Horwitz's most frequent co-authors are Saul Bryan Blecker, MD, Susannah M. Bernheim, MD and Stuart David Katz, MD.
Dr. Horwitz's papers by year, 2016 to 2025
Topics Dr. Horwitz writes about most
- Patient Readmission
- Patient Discharge
- Medicare
- Heart Failure
- COVID-19
- Quality Improvement
- Electronic Health Records
- Hospitals
Dr. Horwitz's most frequent co-authors
- Saul Bryan Blecker, MD25 shared papers
- Susannah M. Bernheim, MD18 shared papers
- Stuart David Katz, MD13 shared papers
Recent publications by Dr. Horwitz
See who Dr. Horwitz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Horwitz works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leora Idit Horwitz has worked on 7 clinical trials
Dmand AI links Dr. Horwitz to 7 clinical trials. Conditions studied include Anxiety Disorders, Behavior and Patient Participation. NYU Langone Health sponsors the most, 7.
Conditions in Dr. Horwitz's trials
- Anxiety Disorders
- Behavior
- Patient Participation
- Tobacco Use Cessation
- Health Behavior
Recent clinical trials with Dr. Horwitz
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Leora Idit Horwitz received $157 in industry payments from 2017 to 2023
CMS Open Payments shows 8 general payments to Dr. Horwitz from 4 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $76.
General payments to Dr. Horwitz by program year, 2017 to 2023
Companies that paid Dr. Horwitz the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leora Idit Horwitz graduated from Harvard Medical School
Dr. Horwitz graduated from Harvard Medical School in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leora Idit Horwitz'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 (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) |
| 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. Leora Idit Horwitz
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. Leora Idit Horwitz's NPI number?
Dr. Leora Idit Horwitz's NPI number is 1841334810. It was assigned on February 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Leora Idit Horwitz?
Dr. Leora Idit Horwitz 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. Leora Idit Horwitz practice?
Dr. Horwitz practices at 550 1st Ave, New York, NY 10016. Dr. Horwitz's primary practice is NYU Langone - Tisch Hospital in New York, New York.
What is Dr. Leora Idit Horwitz's office phone number?
The practice phone on file for Dr. Horwitz is (212) 263-1481.
What is Dr. Leora Idit Horwitz's medical license number?
Dr. Horwitz holds New York license 221998, one of the licenses on file in 2 states.
Which states has Dr. Leora Idit Horwitz been licensed in?
Dmand AI has state licenses on file for Dr. Horwitz in New York and Connecticut.
Which hospitals is Dr. Leora Idit Horwitz affiliated with?
Dr. Horwitz is affiliated with Tisch Hospital.
What medical group is Dr. Leora Idit Horwitz part of?
Dr. Horwitz is linked to NYU Langone Orthopedic Surgery Associates.
Does Dr. Leora Idit Horwitz accept Medicare?
Yes. CMS data shows Dr. Horwitz billed Medicare for 64 services in 2024.
What is Dr. Leora Idit Horwitz's MIPS score?
Dr. Horwitz's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Leora Idit Horwitz see?
CMS counts 28 Medicare patients who saw Dr. Horwitz in 2024, with an average age of 75.
What services does Dr. Leora Idit Horwitz bill to Medicare?
In 2024, Dr. Horwitz's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Leora Idit Horwitz go to medical school?
Dr. Horwitz graduated from Harvard Medical School in 2000.
Has Dr. Leora Idit Horwitz received payments from drug or device companies?
CMS Open Payments shows $157 in general payments to Dr. Horwitz from 4 companies from 2017 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Leora Idit Horwitz been practicing?
Dr. Horwitz graduated from medical school in 2000, 26 years ago.
Does Dr. Leora Idit Horwitz do research?
Dmand AI links 168 publications to Dr. Horwitz, published from 2007 to 2025. Dr. Horwitz has worked on 7 clinical trials.
Who does Dr. Leora Idit Horwitz publish with?
Dr. Horwitz's most frequent co-authors are Saul Bryan Blecker, MD (25 shared papers), Susannah M. Bernheim, MD (18 shared papers) and Stuart David Katz, MD (13 shared papers).
Selling to internal medicine practices?
See internists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card