Maria Del Pilar Fernandez Marti, MD
NPI 1417220211 · Nephrology Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Del Pilar Fernandez Marti, MD is a Nephrology Physician provider in San Juan, PR (NPI 1417220211).
Provider details
- NPI number
- 1417220211
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 18643 (PR)
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 tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Allopurinol | 242 | 47 |
| Sevelamer Carbonate | 233 | 43 |
| Dapagliflozin Propanediolbrand: Farxiga | 229 | 53 |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 130 | 28 |
| Gabapentin | 109 | 29 |
| Losartan Potassium | 107 | 24 |
| Famotidine | 97 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$286 across 10 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
- 2012-02-10
- Last updated
- 2020-05-26
- Certified
- 2020-05-26
Frequently asked questions
- What is Maria Del Pilar Fernandez Marti's NPI number?
- Maria Del Pilar Fernandez Marti's National Provider Identifier (NPI) is 1417220211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Del Pilar Fernandez Marti's specialty?
- Maria Del Pilar Fernandez Marti is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Del Pilar Fernandez Marti located?
- Maria Del Pilar Fernandez Marti's practice location on file with NPPES is Ave Ponce De Leon Torre Auxilio Mutuo, San Juan, PR 00917-2646.
- What is Maria Del Pilar Fernandez Marti's phone number?
- The practice phone number listed in the NPPES registry for Maria Del Pilar Fernandez Marti is (787) 998-3329.
- Does Maria Del Pilar Fernandez Marti accept Medicare?
- Maria Del Pilar Fernandez Marti is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Del Pilar Fernandez Marti's NPI active?
- Yes — Maria Del Pilar Fernandez Marti's NPI (1417220211) is active in the NPPES registry as of the last update on 2020-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.