Arnold Robert Leiboff, M.D.
Colon & Rectal Surgery Physician · East Setauket, NY
Arnold Robert Leiboff, M.D. is a colon & rectal surgery physician with a practice address in East Setauket, New York, and NPI 1154322188, issued on Aug 1, 2005. Check the license (New York 142014, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Arnold Robert Leiboff
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 142014 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Nesconset Highway, East Setauket, NY 11733
- Phone
- (631) 689-2600
- Enumerated
- Aug 1, 2005
- Record last updated
- Jul 1, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (631) 689-2943
- Medicare enrollment
- Enrolled (PECOS I20090209000197); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1978
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 199 in New York → Look up another NPI →
Verify Arnold Robert Leiboff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 142014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
133 Medicare Part D claims for 55 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 19 claims were for opioids.
Most prescribed
- Clotrimazole-Betamethasone21 claims
- Oxycodone-Acetaminophen18 claims
- Gabapentin13 claims
- Fluconazole12 claims
- Metronidazole12 claims
- Clenpiq11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $173.39
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Arnold Robert Leiboff among 199 colon & rectal surgery physician records in New York
Arnold Robert Leiboff, M.D. is one of 199 colon & rectal surgery physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1978 · median 2003 among the 159 with a school on file
- Record last updated2014 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in New York
There are 199 colon & rectal surgery physician records in New York.
All 199 in New York → Every provider in East Setauket → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Tara Martinez, DOCommack, NY 117251962693887
- Lynn O'Connor, M.D.Huntington, NY 117431689601767
- Bradley Bute, MDMelville, NY 117471922035336
- Matthew Symer, MDBethpage, NY 117141447592894
- Kristine KenningMassapequa, NY 117581306233523
- Frank Sconzo, M.D.East Patchogue, NY 117721952362667
- Maria Basile, M.D.Port Jefferson, NY 117771295736239
- Jian Yu, MDHauppauge, NY 117881245236611
Common questions
What is Arnold Robert Leiboff, M.D.'s NPI number?
Arnold Robert Leiboff, M.D.'s National Provider Identifier (NPI) is 1154322188, issued on Aug 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Arnold Robert Leiboff, M.D. located?
The NPPES record lists a practice address at 3400 Nesconset Highway, East Setauket, NY, 11733. Phone: (631) 689-2600. Providers update this record themselves, so call before visiting.
How can I verify Arnold Robert Leiboff, M.D.'s license?
NPPES lists New York license number 142014, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arnold Robert Leiboff, M.D. prescribe under Medicare Part D?
In 2024, Arnold Robert Leiboff, M.D. had 133 Medicare Part D claims for 55 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.