Maritza Melendez Nieves, MD
NPI 1295775856 · Specialist · Fajardo, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maritza Melendez Nieves, MD is a Specialist provider in Fajardo, PR (NPI 1295775856).
Provider details
- NPI number
- 1295775856
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- License
- 10798 (PR)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 628 | 181 |
| Dapagliflozin Propanediolbrand: Farxiga | 617 | 185 |
| Rosuvastatin Calcium | 523 | 170 |
| Atorvastatin Calcium | 496 | 153 |
| Levothyroxine Sodiumbrand: Synthroid | 466 | 131 |
| Famotidine | 341 | 121 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$765 across 14 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
- 2006-06-08
- Last updated
- 2017-09-01
Frequently asked questions
- What is Maritza Melendez Nieves's NPI number?
- Maritza Melendez Nieves's National Provider Identifier (NPI) is 1295775856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maritza Melendez Nieves's specialty?
- Maritza Melendez Nieves is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Maritza Melendez Nieves located?
- Maritza Melendez Nieves's practice location on file with NPPES is 302 Ave General Valero, Fajardo, PR 00738.
- What is Maritza Melendez Nieves's phone number?
- The practice phone number listed in the NPPES registry for Maritza Melendez Nieves is (787) 801-6341.
- Does Maritza Melendez Nieves accept Medicare?
- Maritza Melendez Nieves is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maritza Melendez Nieves's NPI active?
- Yes — Maritza Melendez Nieves's NPI (1295775856) is active in the NPPES registry as of the last update on 2017-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.