Ronald Fagan, M.D.
NPI 1972524486 · Internal Medicine Physician · Farmingdale, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Fagan, M.D. is a Internal Medicine Physician provider in Farmingdale, NY (NPI 1972524486).
Provider details
- NPI number
- 1972524486
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 178331 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,436 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 476 | $150 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 430 | $73 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 420 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 274 | $84 |
| Detection Test By Nucleic Acid for Organism, Amplified Probe Technique87798 | 247 | $34 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 274 | 97 |
| Levothyroxine Sodium | 156 | 43 |
| Omeprazole | 154 | 46 |
| Famotidine | 119 | 41 |
| Metformin Hcl | 100 | 37 |
| Amlodipine Besylate | 97 | 33 |
| Semaglutidebrand: Ozempic |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,435 across 95 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2014-05-06
Frequently asked questions
- What is Ronald Fagan's NPI number?
- Ronald Fagan's National Provider Identifier (NPI) is 1972524486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Fagan's specialty?
- Ronald Fagan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Fagan located?
- Ronald Fagan's practice location on file with NPPES is 4900 Hempstead Tpke, Farmingdale, NY 11735-2028.
- What is Ronald Fagan's phone number?
- The practice phone number listed in the NPPES registry for Ronald Fagan is (516) 752-7000.
- Does Ronald Fagan accept Medicare?
- Ronald Fagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Fagan's NPI active?
- Yes — Ronald Fagan's NPI (1972524486) is active in the NPPES registry as of the last update on 2014-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.