Nathaniel Rosso Smilowitz, MD
Cardiovascular Disease Physician · New York, NY
Nathaniel Rosso Smilowitz, MD is a cardiovascular disease physician with a practice address in New York, New York, and NPI 1437475696, issued on Apr 13, 2010. Check the license (New York 262021, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Rosso Smilowitz
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 262021 NY
Self-reported in NPPES; status is on the state search - Practice location
- 550 1St Ave, New York, NY 10016
- Phone
- (212) 263-5656
- Enumerated
- Apr 13, 2010
- Record last updated
- Sep 27, 2022
- Medicare enrollment
- Enrolled (PECOS I20170628000018); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,583 in New York → Look up another NPI →
Also registered at 550 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clarisse AbanillaPhysician Assistant1598445579
- Ehab Abaza, MDInternal Medicine Physician1114507555
- Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
- Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
- Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
- Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324
Verify Nathaniel Rosso Smilowitz 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 262021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13,243.22
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 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
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Rosso Smilowitz among 2,583 cardiovascular disease physician records in New York
Nathaniel Rosso Smilowitz, MD is one of 2,583 cardiovascular disease physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 76% of them.
- NPI issued2010 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2010 · median 1998 among the 1,896 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in New York
There are 2,583 cardiovascular disease physician records in New York.
All 2,583 in New York → Every provider in New York → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Robert Applebaum, M.D.New York, NY 100161932193323
- George Bear, M.D.New York, NY 100161982699468
- Russell Berdoff, MDNew York, NY 100161306847793
- Andrea Berger, MDNew York, NY 100161154323863
- William Cole, M.D.New York, NY 100161205820701
- Daniel Fisher, M.D.New York, NY 100161386638773
- Glenn Fishman, M.D.New York, NY 100161376536797
- Robin Freedberg, M.D.New York, NY 100161386638013
Common questions
What is Nathaniel Rosso Smilowitz, MD's NPI number?
Nathaniel Rosso Smilowitz, MD's National Provider Identifier (NPI) is 1437475696, issued on Apr 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Rosso Smilowitz, MD located?
The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (212) 263-5656. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Rosso Smilowitz, MD's license?
NPPES lists New York license number 262021, 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.
What is Nathaniel Rosso Smilowitz, MD's MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. 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.