Individual Healthcare Provider
Rosa Alexandra Lozada Sierra, M.D.
Provider's NPPES record last updated: November 10, 2021
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1154707206
- Primary Specialty
- Ophthalmology — Cornea and External Diseases Specialist
- Practice Location
- San Juan, Puerto Rico
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 19, 2026, 6:03 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Ophthalmology
Cornea and External Diseases Specialist
Allopathic & Osteopathic Physicians
An ophthalmologist who specializes in diseases of the cornea, sclera, eyelids, conjunctiva, and anterior segment of the eye.
Taxonomy code 207WX0120X
Provider-Reported License Information
- Ophthalmology (Puerto Rico)
- 19445
Practice Locations
Practice Location
239 Ave Arterial Hostos Ste 306
San Juan, Puerto Rico 00918-1475
Phone: (787) 250-1746
Additional Practice Location
708 Ave Ponce De Leon Ste 202
San Juan, Puerto Rico 00918-4520
Phone: (787) 250-0812
Record Information
- Enumeration Date
- July 30, 2015
- Provider's NPPES Record Last Updated
- November 10, 2021
- Certification Date
- November 10, 2021
- NPISignal NPPES Dataset
- August 2026
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