Nathan Samuel Rosenfeld, M.D.
Gastroenterology Physician · New Rochelle, NY
Nathan Samuel Rosenfeld, M.D. is a gastroenterology physician with a practice address in New Rochelle, New York, and NPI 1467535120, issued on Oct 23, 2006. Check the license (New York 143751, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nathan Samuel Rosenfeld
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 143751 NY
Self-reported in NPPES; status is on the state search - Practice location
- 110 Lockwood Ave, New Rochelle, NY 10801
- Phone
- (914) 636-4030
- Enumerated
- Oct 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (914) 636-4095
- Medicaid ID
- 01389028 NY
- Medicare enrollment
- Enrolled (PECOS I20110331000072); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 110 Lockwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hirendra Dave, MDFamily Medicine Physician1417949421
- Sandra Dave, FNPCFamily Nurse Practitioner1720070733
- George Faller, LMFTMarriage & Family Therapist1912116310
- Veronique Germaine, O.D., FAAOOptometrist1548265226
Verify Nathan Samuel Rosenfeld 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 143751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average gastroenterology physician in 2024
1,017 Medicare Part D claims for 349 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 12 claims were for opioids.
Most prescribed
- Pantoprazole Sodium262 claims
- Famotidine122 claims
- Gavilyte-G122 claims
- Omeprazole114 claims
- Hydrocortisone28 claims
- Linzess28 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.
The MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $19.76
1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, 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.
Nathan Samuel Rosenfeld among 1,797 gastroenterology physician records in New York
Nathan Samuel Rosenfeld, 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
- Graduated1979 · median 1999 among the 1,378 with a school on file
- Record last updated2007 · 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 New Rochelle → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Marvin Chinitz, MDNew Rochelle, NY 108041306893227
- Seth Gendler, MDNew Rochelle, NY 108041386603488
- Lisa Ozick, MDNew Rochelle, NY 108051710083449
- David Dicaprio, D.O.Yonkers, NY 107101578806147
- Michael Gerdis, MDYonkers, NY 107101871567925
- David Kauvar, M.D.Eastchester, NY 107091770646127
- Elena Tsai, M.D.Eastchester, NY 107091073601902
- Maureen Daye, MDBronxville, NY 107081316959026
Common questions
What is Nathan Samuel Rosenfeld, M.D.'s NPI number?
Nathan Samuel Rosenfeld, M.D.'s National Provider Identifier (NPI) is 1467535120, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Samuel Rosenfeld, M.D. located?
The NPPES record lists a practice address at 110 Lockwood Ave, New Rochelle, NY, 10801. Phone: (914) 636-4030. Providers update this record themselves, so call before visiting.
How can I verify Nathan Samuel Rosenfeld, M.D.'s license?
NPPES lists New York license number 143751, 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 Nathan Samuel Rosenfeld, M.D. prescribe under Medicare Part D?
In 2024, Nathan Samuel Rosenfeld, M.D. had 1,017 Medicare Part D claims for 349 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Nathan Samuel Rosenfeld, M.D.'s MIPS final score?
The 2023 MIPS final score is 30 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.