Carlos Maestre-Fernandez, M.D.
NPI 1346292042 · Specialist · San Juan, PR
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Maestre-Fernandez, M.D. is a Specialist provider in San Juan, PR (NPI 1346292042).
Provider details
- NPI number
- 1346292042
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- License
- 3276 (PR)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alendronate Sodium | 89 | 18 |
| Bicalutamide | 55 | — |
| Tamsulosin Hcl | 35 | — |
| Pantoprazole Sodium | 34 | — |
| Temazepam | 22 | — |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 18 | — |
| Nabumetone | 13 | — |
| Lorazepam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Carlos Maestre-Fernandez's NPI number?
- Carlos Maestre-Fernandez's National Provider Identifier (NPI) is 1346292042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Maestre-Fernandez's specialty?
- Carlos Maestre-Fernandez is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Carlos Maestre-Fernandez located?
- Carlos Maestre-Fernandez's practice location on file with NPPES is #6 U3 Carr 21, San Juan, PR 00921.
- What is Carlos Maestre-Fernandez's phone number?
- The practice phone number listed in the NPPES registry for Carlos Maestre-Fernandez is (787) 793-6867.
- Does Carlos Maestre-Fernandez accept Medicare?
- Carlos Maestre-Fernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Maestre-Fernandez's NPI active?
- Yes — Carlos Maestre-Fernandez's NPI (1346292042) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.