David Portnoy
NPI 1619402559 · General Practice Physician · Oceanside, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Portnoy is a General Practice Physician provider in Oceanside, NY (NPI 1619402559).
Provider details
- NPI number
- 1619402559
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 118247399 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 88 | 30 |
| Amlodipine Besylate | 85 | 25 |
| Losartan Potassium | 76 | 19 |
| Lisinopril | 61 | 17 |
| Tamsulosin Hcl | 51 | 13 |
| Hydrochlorothiazide | 49 | 13 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-28
- Last updated
- 2017-04-28
Frequently asked questions
- What is David Portnoy's NPI number?
- David Portnoy's National Provider Identifier (NPI) is 1619402559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Portnoy's specialty?
- David Portnoy is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is David Portnoy located?
- David Portnoy's practice location on file with NPPES is 1 Healthy Way, Oceanside, NY 11572-1551.
- What is David Portnoy's phone number?
- The practice phone number listed in the NPPES registry for David Portnoy is (516) 632-3000.
- Does David Portnoy accept Medicare?
- David Portnoy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Portnoy's NPI active?
- Yes — David Portnoy's NPI (1619402559) is active in the NPPES registry as of the last update on 2017-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.