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DR. ALEXANDRA MARIE FERNANDEZ-DE THOMAS 22652 MD
NPI 1528685682
General Practice in San Juan, PR

Active since July 06, 2020PECOS Enrolled
CARR 22 BARRIO MONACILLOS HOSPITAL ONCOLOGICO, SAN JUAN, PR 00935(787) 763-4149 Get Directions Write a Review

NPPES record last updated: June 7, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 7, 2022, Apr 30, 2022, Jul 6, 2020 (3 updates tracked since 2020).

About Dr. Alexandra Marie Fernandez-de Thomas 22652 Md NPPES

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

DR. ALEXANDRA MARIE FERNANDEZ-DE THOMAS 22652 MD (NPI 1528685682) is an individual general practice provider in San Juan, Puerto Rico, licensed in Puerto Rico (22652) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1528685682
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameDR. ALEXANDRA MARIE FERNANDEZ-DE THOMASCredential: 22652 MD
Location AddressCARR 22 BARRIO MONACILLOS HOSPITAL ONCOLOGICOSan Juan, PR 00935-0001
Mailing AddressCarr 22 Barrio Monacillos Centro MedicoSan Juan, PR 00935-0001 · (787) 777-3535
Phone(787) 763-4149
Sole ProprietorNo
Enumeration DateJuly 6, 2020
Last NPPES UpdateJune 7, 20223 updates tracked since enumeration
NPPES CertifiedJune 7, 2022
✔ NPI 1528685682 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 · 22652
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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexandra Marie Fernandez-de Thomas 22652 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 Alexandra Fernandez-de Thomas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Metro Toa Baja, Inc.
Emergency Care
AVE SABANA SECA INT 867
Toa Baja, PR 00951
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 10 clinicians in this Medicare group
NPI 1073057642 (787) 230-7530

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
14 services13 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALEXANDRA MARIE RIVERA CASTRO MD
General Practice
CARR 22 BARRIO MONACILLOS HOSPITAL ONCOLOGICO
SAN JUAN, PR 00935
San Juan Municipio (787) 763-4149

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 Alexandra Fernandez-de Thomas's NPI number?

The NPI number for Alexandra Fernandez-de Thomas is 1528685682. It was assigned to this individual provider in the NPPES registry on July 6, 2020.

Where is Alexandra Fernandez-de Thomas located?

Alexandra Fernandez-de Thomas practices at Carr 22 Barrio Monacillos Hospital Oncologico, San Juan, PR 00935. The listed phone number is (787) 763-4149.

What is Alexandra Fernandez-de Thomas's specialty?

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

Is Alexandra Fernandez-de Thomas enrolled in Medicare?

Yes. Alexandra Fernandez-de Thomas is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexandra Fernandez-de Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Fernandez-de Thomas reassigns Medicare benefits to Metro Toa Baja, Inc. (Toa Baja, 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 Alexandra Fernandez-de Thomas'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 Alexandra Fernandez-de Thomas was last updated on June 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.