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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CARLOS C MAESTRE-FERNANDEZ M.D.
NPI 1346292042
Specialist in San Juan, PR

Active since May 17, 2006PECOS Enrolled
#6 U3 CARR 21, LAS LOMAS, SAN JUAN, PR 00921(787) 793-6867(787) 782-1565 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Carlos C Maestre-fernandez M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CARLOS C MAESTRE-FERNANDEZ M.D. (NPI 1346292042) is an individual specialist in San Juan, Puerto Rico, licensed in Puerto Rico (3276) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346292042
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. CARLOS C MAESTRE-FERNANDEZCredential: M.D.
Location Address#6 U3 CARR 21, LAS LOMASSan Juan, PR 00921
Mailing AddressPo Box 11484 Caparra Heights StationSan Juan, PR 00922-1484 · (787) 782-6030 · Fax (787) 782-1565
Phone(787) 793-6867
Fax(787) 782-1565
Sole ProprietorNo
Enumeration DateMay 17, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1346292042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in PR · 3276
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Carlos C Maestre-fernandez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carlos Maestre-fernandez's NPI number?

The NPI number for Carlos Maestre-fernandez is 1346292042. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Carlos Maestre-fernandez located?

Carlos Maestre-fernandez practices at #6 U3 Carr 21 Las Lomas, San Juan, PR 00921. The listed phone number is (787) 793-6867.

What is Carlos Maestre-fernandez's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Carlos Maestre-fernandez enrolled in Medicare?

Yes. Carlos Maestre-fernandez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Carlos Maestre-fernandez was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.