Dr. Leonard Arbeit, MD

  • East Setauket, NY
  • Nephrologist
NPI1124052774
Medicare services, 2020
75
Part D claims, 2020
49
Publications
2
Industry payments
$154
State license
1
Practice address
26 Research Way, East Setauket, NY 11733
Practice phone
Call (631) 444-0580
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Leonard Arbeit is a nephrologist in East Setauket, New York

Dr. Arbeit practices in East Setauket, New York.

Dr. Arbeit's NPI, 1124052774, was assigned on July 10, 2006. Dr. Arbeit holds New York license 139412.

NPI and contact details
NPI enumeration date
July 10, 2006
NPI status
Active
Practice phone
(631) 444-0580
Professional email
Get email
Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Leonard Arbeit's practice address is in East Setauket, New York

Dr. Arbeit's practice address in the NPI Registry is 26 Research Way, East Setauket, NY 11733. The practice phone is (631) 444-0580.

  • NPI Registry address
    26 Research Way, East Setauket, NY 11733Phone(631) 444-0580

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Leonard Arbeit's practice

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

EHR by site
SiteEHR vendor and product
Dr. Arbeit's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Leonard Arbeit is one of 914 nephrologists in New York

Nephrology is Dr. Arbeit's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Arbeit is licensed in New York.

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 139412 · taxonomy 207RN0300X

Nephrologists near Dr. Arbeit

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

914nephrologists in New York
8nephrologists in East Setauket

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

Dr. Leonard Arbeit billed Medicare for 75 services in 2020

CMS data shows 75 Medicare services from Dr. Arbeit across 2 procedure codes in 2020. Medicare paid $4,948 for them.

Medicare services, 202075
Paid by Medicare$4,948
Procedure codes2

Dr. Arbeit's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Office and hospital visits
2019: 4652020: 7584%
Tests and treatments
2019: 3662020: 0100%

Where Dr. Arbeit's Medicare services took place, 2020

  • In an office1216%
  • In a facility6384%

Dr. Arbeit compared with the New York median for nephrologists, 2020

  • Dr. Arbeit
  • New York median
Medicare services
75vs 68989% below
Part D claims
49vs 43689% below

Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.

Dr. Arbeit's most billed Medicare procedure codes, 2020

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. Leonard Arbeit wrote 49 Medicare Part D claims in 2020

In 2020, Dr. Arbeit wrote 49 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $13,153 in total drug cost. In 2019, CMS named 145 claims across 8 drugs.

Part D claims, 202049
Drugs named by CMS4
Total drug cost$13,153

Dr. Arbeit's most prescribed drugs by claims, 2020

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, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 1452020: 4966%

Drugs named by CMS: 4 in 2020, 8 in 2019.

See all prescribing by Dr. Arbeit

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Leonard Arbeit has 2 publications on record

Dmand AI links 2 papers to Dr. Arbeit, published from 2016 to 2020. Dr. Arbeit's most frequent co-authors are Antonia Harford, MD, Sandeep K. Mallipattu and Dana C. Miskulin, MD.

Papers2
Years published2016 to 2020

Dr. Arbeit's most frequent co-authors

Recent publications by Dr. Arbeit

See all 2 publications and co-authors

See who Dr. Arbeit researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Arbeit works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Leonard Arbeit received $154 in industry payments from 2016 to 2022

CMS Open Payments shows 3 general payments to Dr. Arbeit from 3 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Horizon Pharma plc paid the most, $125.

General payments to Dr. Arbeit by program year, 2016 to 2022

Companies that paid Dr. Arbeit the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Arbeit

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

Sources for Dr. Leonard Arbeit'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Leonard Arbeit

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. Leonard Arbeit's NPI number?

Dr. Leonard Arbeit's NPI number is 1124052774. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Leonard Arbeit?

Dr. Leonard Arbeit is a nephrologist in East Setauket, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Leonard Arbeit practice?

Dr. Arbeit practices at 26 Research Way, East Setauket, NY 11733.

What is Dr. Leonard Arbeit's office phone number?

The practice phone on file for Dr. Arbeit is (631) 444-0580.

What is Dr. Leonard Arbeit's medical license number?

Dr. Arbeit holds New York license 139412.

Does Dr. Leonard Arbeit accept Medicare?

Yes. CMS data shows Dr. Arbeit billed Medicare for 75 services in 2020.

What services does Dr. Leonard Arbeit bill to Medicare?

In 2020, Dr. Arbeit's most billed Medicare services were hospital inpatient care (99232) and office visit, established patient (99213).

What drugs does Dr. Leonard Arbeit prescribe most?

In 2020 Medicare Part D data, Dr. Arbeit's most prescribed drugs by claims were Hydrochlorothiazide, Cinacalcet HCl and Allopurinol.

Has Dr. Leonard Arbeit received payments from drug or device companies?

CMS Open Payments shows $154 in general payments to Dr. Arbeit from 3 companies from 2016 to 2022. The largest total came from Horizon Pharma plc.

How long has Dr. Leonard Arbeit been practicing?

Dr. Arbeit's NPI was assigned in 2006.

Does Dr. Leonard Arbeit do research?

Dmand AI links 2 publications to Dr. Arbeit, published from 2016 to 2020.

Who does Dr. Leonard Arbeit publish with?

Dr. Arbeit's most frequent co-authors are Antonia Harford, MD (1 shared paper), Sandeep K. Mallipattu (1 shared paper) and Dana C. Miskulin, MD (1 shared paper).

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