DR. AILEEN CARRERAS MD
NPI 1023234028
General Practice in San Juan, PR

Active since April 18, 2007PECOS Enrolled
URB. VILLA NEVAREZ 1059 CALLE 14, SAN JUAN, PR 00927(787) 653-5353(787) 653-5364 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Aileen Carreras Md NPPES

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

DR. AILEEN CARRERAS MD (NPI 1023234028) is an individual general practice provider in San Juan, Puerto Rico, licensed in Puerto Rico (9461) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023234028
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameDR. AILEEN CARRERASCredential: MD
Location AddressURB. VILLA NEVAREZ 1059 CALLE 14San Juan, PR 00927
Mailing AddressUrb. Villa Nevarez 1059 Calle 14San Juan, PR 00927 · (787) 653-5353 · Fax (787) 653-5364
Fax(787) 653-5364
Sole ProprietorNo
Enumeration DateApril 18, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1023234028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in PR · 9461
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Other Identifiers 3

Medicare ID-Type Unspecified0083656PR · Medicare
Other0012665PR · Humana Reforma
Other4159PR · American Health Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aileen Carreras Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Aileen Carreras reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Primary Care
HOSP HIMA, MEDICINA DE FAMILIA
Caguas, PR 00726
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 11 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Aileen Carreras's NPI number?

The NPI number for Aileen Carreras is 1023234028. It was assigned to this individual provider in the NPPES registry on April 18, 2007.

Where is Aileen Carreras located?

Aileen Carreras practices at Urb. Villa Nevarez 1059 Calle 14, San Juan, PR 00927. The listed phone number is (787) 653-5353.

What is Aileen Carreras's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Aileen Carreras enrolled in Medicare?

Yes. Aileen Carreras is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aileen Carreras's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aileen Carreras reassigns Medicare benefits to Mediko Medicina Primaria Corp (Caguas, PR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aileen Carreras's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Aileen Carreras was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.