Javier Alfonso, M.D.
NPI 1093952442 · Nephrology Physician · Miami, FL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Javier Alfonso, M.D. is a Nephrology Physician provider in Miami, FL (NPI 1093952442).
Provider details
- NPI number
- 1093952442
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME111392 (FL)
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
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
295 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 | 100 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 89 | $83 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 46 | $139 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 40 | $206 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 20 | $178 |
Typical Medicare-allowed amounts for these services range $83–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Dapagliflozin Propanediolbrand: Farxiga | 322 | 79 |
| Empagliflozinbrand: Jardiance | 122 | 42 |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 74 | 26 |
| Amlodipine Besylate | 69 | 28 |
| Bumetanide | 67 | 25 |
| Clonidine Hcl | 36 | 13 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$861 across 15 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
Additional practice locations (2)
- 8210 Sw 12th TerMiami, FL 33144-4330Phone: (305) 753-7847
- 7371 Sw 24th StMiami, FL 33155-1402Phone: (305) 265-4441
Registry dates
- Enumerated
- 2009-01-07
- Last updated
- 2023-11-10
- Certified
- 2023-11-10
Frequently asked questions
- What is Javier Alfonso's NPI number?
- Javier Alfonso's National Provider Identifier (NPI) is 1093952442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Javier Alfonso's specialty?
- Javier Alfonso is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Javier Alfonso located?
- Javier Alfonso's practice location on file with NPPES is 7392 Nw 35th Ter Ste 306, Miami, FL 33122-1260.
- What is Javier Alfonso's phone number?
- The practice phone number listed in the NPPES registry for Javier Alfonso is (786) 703-4932.
- Does Javier Alfonso accept Medicare?
- Javier Alfonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Javier Alfonso's NPI active?
- Yes — Javier Alfonso's NPI (1093952442) is active in the NPPES registry as of the last update on 2023-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.