Ronald Michael Dunphy, D.O.
General Practice Physician · Islip, NY
Ronald Michael Dunphy, D.O. is a general practice physician with a practice address in Islip, New York, and NPI 1013982941, issued on Feb 22, 2006. Check the license (New York 194788, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ronald Michael Dunphy
- Credential
- D.O.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 194788 NY
Self-reported in NPPES; status is on the state search - Practice location
- 150 Islip Ave, Islip, NY 11751
- Phone
- (631) 581-2433
- Enumerated
- Feb 22, 2006
- Record last updated
- Feb 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (631) 581-2057
- Medicaid ID
- 01837154 NY
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 681 in New York → Look up another NPI →
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Verify Ronald Michael Dunphy 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 194788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average general practice physician in 2024
736 Medicare Part D claims for 72 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium72 claims
- Amlodipine Besylate63 claims
- Metformin Hcl47 claims
- Omeprazole31 claims
- Glimepiride25 claims
- Levothyroxine Sodium24 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.
Ronald Michael Dunphy among 681 general practice physician records in New York
Ronald Michael Dunphy, D.O. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 75% newer
- In a Medicare fileYes · 49% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2008 · 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 Islip → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Geeta Gupta, M.DIslip, NY 117511497895304
- Jayaraj Kumar, MDIslandia, NY 117491235475377
- Indira Pammi, M.D.Muttontown, NY 117531275881989
- Jonathan Wahl, M.D.Jericho, NY 117531821155755
- Jennifer Ganz, M.D.Dix Hills, NY 117461942687975
- Aaron Hochman-Zimmerman, MDDix Hills, NY 117461871236869
- William Romero, MDDix Hills, NY 117461508980426
- David Sherlock, DOMassapequa, NY 117581700528098
Common questions
What is Ronald Michael Dunphy, D.O.'s NPI number?
Ronald Michael Dunphy, D.O.'s National Provider Identifier (NPI) is 1013982941, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Michael Dunphy, D.O. located?
The NPPES record lists a practice address at 150 Islip Ave, Islip, NY, 11751. Phone: (631) 581-2433. Providers update this record themselves, so call before visiting.
How can I verify Ronald Michael Dunphy, D.O.'s license?
NPPES lists New York license number 194788, 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 Ronald Michael Dunphy, D.O. prescribe under Medicare Part D?
In 2024, Ronald Michael Dunphy, D.O. had 736 Medicare Part D claims for 72 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.