Leonard B. Stein, M.D.
Gastroenterology Physician · Garden City, NY
Leonard B. Stein, M.D. is a gastroenterology physician with a practice address in Garden City, New York, and NPI 1700990272, issued on Aug 19, 2006. Check the license (New York 171775, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Leonard B. Stein
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 171775 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1103 Stewart Ave, Garden City, NY 11530
- Phone
- (516) 248-3737
- Enumerated
- Aug 19, 2006
- Record last updated
- Jul 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (516) 248-7304
- Medicare enrollment
- Enrolled (PECOS I20111103000036); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 1103 Stewart Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bartolomeo, M.D.Gastroenterology Physician1174637854
- Sheila CipollaDentist1912042748
- Jeffrey Corben, P.T.Physical Therapist1255359485
- Jamal Flowers, DDSEndodontics1790995082
- Stuart Gherman, DDSGeneral Practice Dentistry1396859484
- Perry Gould, M.D.Gastroenterology Physician1205940939
Verify Leonard B. Stein 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 171775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average gastroenterology physician in 2024
1,200 Medicare Part D claims for 393 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Pantoprazole Sodium387 claims
- Famotidine247 claims
- Omeprazole185 claims
- Sod Sulf-Potass Sulf-Mag Sulf83 claims
- Mesalamine29 claims
- Azathioprine27 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $31.17
1 payment: food and beverage; the largest payer was Gilead Sciences, 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
- Medical Services OF Uniondale PCUniondale, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard B. Stein among 1,797 gastroenterology physician records in New York
Leonard B. Stein, M.D. 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1986 · median 1999 among the 1,378 with a school on file
- Record last updated2012 · 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 Garden City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Robert Bartolomeo, M.D.Garden City, NY 115301174637854
- Sridevi Bhumi, M.D.Garden City, NY 115301306906938
- Robert Bonasera, M.D.Garden City, NY 115301073537767
- Philip Cassar, M.D.Garden City, NY 115301891868857
- Chris Demetriou, M.D.Garden City, NY 115301194806075
- Perry Gould, M.D.Garden City, NY 115301205940939
- Felice Mirsky, M.D.Garden City, NY 115301821102583
- Ronald Robinson, MDGarden City, NY 115301881686913
Common questions
What is Leonard B. Stein, M.D.'s NPI number?
Leonard B. Stein, M.D.'s National Provider Identifier (NPI) is 1700990272, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard B. Stein, M.D. located?
The NPPES record lists a practice address at 1103 Stewart Ave, Garden City, NY, 11530. Phone: (516) 248-3737. Providers update this record themselves, so call before visiting.
How can I verify Leonard B. Stein, M.D.'s license?
NPPES lists New York license number 171775, 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 Leonard B. Stein, M.D. prescribe under Medicare Part D?
In 2024, Leonard B. Stein, M.D. had 1,200 Medicare Part D claims for 393 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Leonard B. Stein, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.