Ronald Dunphy, D.O.
NPI 1013982941 · General Practice Physician · Islip, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Dunphy, D.O. is a General Practice Physician provider in Islip, NY (NPI 1013982941).
Provider details
- NPI number
- 1013982941
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 194788 (NY)
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
20 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 72 | 24 |
| Amlodipine Besylate | 63 | 19 |
| Metformin Hcl | 47 | 14 |
| Omeprazole | 31 | — |
| Glimepiride | 25 | — |
| Levothyroxine Sodium | 24 | — |
| Losartan Potassium | 22 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-22
- Last updated
- 2008-02-19
Frequently asked questions
- What is Ronald Dunphy's NPI number?
- Ronald Dunphy's National Provider Identifier (NPI) is 1013982941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Dunphy's specialty?
- Ronald Dunphy is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Dunphy located?
- Ronald Dunphy's practice location on file with NPPES is 150 Islip Ave, Islip, NY 11751-3222.
- What is Ronald Dunphy's phone number?
- The practice phone number listed in the NPPES registry for Ronald Dunphy is (631) 581-2433.
- Does Ronald Dunphy accept Medicare?
- Ronald Dunphy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Dunphy's NPI active?
- Yes — Ronald Dunphy's NPI (1013982941) is active in the NPPES registry as of the last update on 2008-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.