David Portnoy
General Practice Physician · Oceanside, NY
David Portnoy is a general practice physician with a practice address in Oceanside, New York, and NPI 1619402559, issued on Apr 28, 2017. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- David Portnoy
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 118247399 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1 Healthy Way, Oceanside, NY 11572
- Phone
- (516) 632-3000
- Enumerated
- Apr 28, 2017
- Record last updated
- Apr 28, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 681 in New York → Look up another NPI →
Also registered at 1 Healthy Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geraldine Abbey-Mensah, M.D.Vascular & Interventional Radiology Physician1447530167
- Gabrielle Abbott, PAPhysician Assistant1669158036
- Batool Abiad, DOStudent in an Organized Health Care Education/Training Program1932040359
- Wray AdamsCertified Registered Nurse Anesthetist1548598675
- Anubhav Agarwal, MDSports Medicine (Family Medicine) Physician1568709244
- Brody Agres, PA-CMedical Physician Assistant1689470502
Verify David Portnoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average general practice physician in 2024
1,828 Medicare Part D claims for 203 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium88 claims
- Amlodipine Besylate85 claims
- Losartan Potassium76 claims
- Lisinopril61 claims
- Tamsulosin Hcl51 claims
- Hydrochlorothiazide49 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.
David Portnoy among 681 general practice physician records in New York
David Portnoy is one of 681 general practice physician records with a practice address in New York. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 73% of them.
- NPI issued2017 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 49% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2017 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in New York
There are 681 general practice physician records in New York.
All 681 in New York → Every provider in Oceanside → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Erica WaleskiOceanside, NY 115721689569915
- Lidia Epel, DDSRockville Centre, NY 115701336170273
- Marie Devezin, M.D.Roslyn, NY 115761437385275
- Leonard Good, MDRoslyn, NY 115761417014911
- Michael Mashaal, M.D.Roslyn, NY 115761902122518
- Audrey Sangster Sadaphal, MDValley Stream, NY 115801215237581
- Stacy Hausmann, MDValley Stream, NY 115811740445634
- Umme Mobassera, MDIsland Park, NY 115581063278604
Common questions
What is David Portnoy's NPI number?
David Portnoy's National Provider Identifier (NPI) is 1619402559, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is David Portnoy located?
The NPPES record lists a practice address at 1 Healthy Way, Oceanside, NY, 11572. Phone: (516) 632-3000. Providers update this record themselves, so call before visiting.
How can I verify David Portnoy's license?
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 David Portnoy prescribe under Medicare Part D?
In 2024, David Portnoy had 1,828 Medicare Part D claims for 203 beneficiaries; the average among general practice physician prescribers was 3,030. 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.