Jonathan Horwitz, M.D
Pediatrics Physician · Bayside, NY
Jonathan Horwitz, M.D is a pediatrics physician with a practice address in Bayside, New York, and NPI 1114024767, issued on Sep 17, 2006. Check the license (New York 121535, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jonathan Horwitz
- Credential
- M.D
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 121535 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2325 Bell Blvd, Bayside, NY 11360
- Phone
- (718) 225-6464
- Enumerated
- Sep 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 5,795 in New York → Look up another NPI →
Also registered at 2325 Bell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Chalson, MDPediatrics Physician1285713982
- Julia Oster, M.DPediatrics Physician1821134560
- Ira Schwartz, DDSOrthodontics and Dentofacial Orthopedics Dentistry1255403366
- Bisma SheikhPediatric Nurse Practitioner1407513195
- Stacy Wolf, DDSOrthodontics and Dentofacial Orthopedics Dentistry1316463383
Verify Jonathan Horwitz 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 121535Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average pediatrics physician in 2024
42 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
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.
Jonathan Horwitz among 5,795 pediatrics physician records in New York
Jonathan Horwitz, M.D is one of 5,795 pediatrics physician records with a practice address in New York. 36% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 pediatrics physician records list a practice address in Bayside
They are 19 of the 1,478 NPPES records with a practice address in Bayside, and 5,795 pediatrics physician records in New York.
All 5,795 in New York → Every provider in Bayside → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Audrey Berman-Davidowitz, MDBayside, NY 113601205912243
- Margaret Chalson, MDBayside, NY 113601285713982
- Eugene Deblasio, M.D.Bayside, NY 113601932426921
- Carmencita Diaz-Sy, M.D.Bayside, NY 113601497867121
- Priya Kholwadwala, D.O.Bayside, NY 113601528452539
- Grace Nunez-Russotto, MDBayside, NY 113601972604189
- Julia Oster, M.DBayside, NY 113601821134560
- Linda Volpe, M.D.Bayside, NY 113601992864698
Common questions
What is Jonathan Horwitz, M.D's NPI number?
Jonathan Horwitz, M.D's National Provider Identifier (NPI) is 1114024767, issued on Sep 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Horwitz, M.D located?
The NPPES record lists a practice address at 2325 Bell Blvd, Bayside, NY, 11360. Phone: (718) 225-6464. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Horwitz, M.D's license?
NPPES lists New York license number 121535, 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 Jonathan Horwitz, M.D prescribe under Medicare Part D?
In 2024, Jonathan Horwitz, M.D had 42 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.