Mitchell I. Weinstein, D.O.
Gastroenterology Physician · West Islip, NY
Mitchell I. Weinstein, D.O. is a gastroenterology physician with a practice address in West Islip, New York, and NPI 1942292206, issued on Aug 22, 2005. Check the license (New York 162637, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mitchell I. Weinstein
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 162637 NY
Self-reported in NPPES; status is on the state search - Practice location
- 631 Montauk Hwy Ste 2, West Islip, NY 11795
- Phone
- (631) 321-3840
- Enumerated
- Aug 22, 2005
- Record last updated
- Jan 10, 2022
- Fax
- (631) 321-3842
- Medicaid ID
- 01416811 NY
- Medicare enrollment
- Enrolled (PECOS I20061221000449); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Verify Mitchell I. Weinstein 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 162637Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% more Medicare Part D claims than the average gastroenterology physician in 2024
1,610 Medicare Part D claims for 446 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Dicyclomine Hcl367 claims
- Pantoprazole Sodium183 claims
- Famotidine166 claims
- Omeprazole130 claims
- Linzess109 claims
- Sod Sulf-Potass Sulf-Mag Sulf95 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: $274.45
11 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Island Gastroenterology Consultants PCWest Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mitchell I. Weinstein among 1,797 gastroenterology physician records in New York
Mitchell I. Weinstein, D.O. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% 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, 85% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1984 · median 1999 among the 1,378 with a school on file
- Record last updated2022 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in West Islip → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Nabras Ahmed, D.O.West Islip, NY 117951285022483
- Noel D'Silva, M.D.West Islip, NY 117951639132665
- William Disanti, M.D.West Islip, NY 117951336188929
- Rajkumar Mariwalla, M.D.West Islip, NY 117951154309037
- Rajiv Saxena, MDWest Islip, NY 117951598837858
- Krishnaiyer Subramani, MDWest Islip, NY 117951295794105
- Juan Carlos Bucobo, M.D.Stony Brook, NY 117941982892592
- Michael Clores, D.O.Stony Brook, NY 117941598024390
Common questions
What is Mitchell I. Weinstein, D.O.'s NPI number?
Mitchell I. Weinstein, D.O.'s National Provider Identifier (NPI) is 1942292206, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mitchell I. Weinstein, D.O. located?
The NPPES record lists a practice address at 631 Montauk Hwy Ste 2, West Islip, NY, 11795. Phone: (631) 321-3840. Providers update this record themselves, so call before visiting.
How can I verify Mitchell I. Weinstein, D.O.'s license?
NPPES lists New York license number 162637, 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 Mitchell I. Weinstein, D.O. prescribe under Medicare Part D?
In 2024, Mitchell I. Weinstein, D.O. had 1,610 Medicare Part D claims for 446 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.