1. Home
  2. Directory
  3. NPI Profile

DR. SANDRA E. ALSINA OD
NPI 1023223112
Optometrist in San Juan, PR

Active since May 11, 2007PECOS EnrolledAccepts Medicare Assignment
COSTCO CAROLINA, 1185 AVE 65 DE INFANTERIA, SAN JUAN, PR 00924(787) 999-7228 Get Directions Write a Review

NPPES record last updated: September 1, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Sandra E. Alsina Od NPPES

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

DR. SANDRA E. ALSINA OD (NPI 1023223112) is an individual optometrist in San Juan, Puerto Rico, licensed in Puerto Rico (467) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of International American University At Puerto Rico - School Of Optometry (1995).

NPPES Registry Identity

NPI1023223112
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. SANDRA E. ALSINACredential: OD
Location AddressCOSTCO CAROLINA, 1185 AVE 65 DE INFANTERIASan Juan, PR 00924-0000
Mailing AddressPo Box 21049San Juan, PR 00928-1049 · (787) 615-0451
Phone(787) 999-7228
Sole ProprietorYes
Medical School CMSInternational American University At Puerto Rico - School Of OptometryGraduated 1995
Enumeration DateMay 11, 2007
Last NPPES UpdateSeptember 1, 2020
NPPES CertifiedAugust 30, 2020
✔ NPI 1023223112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in PR · 467
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sandra E. Alsina Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456632454
PECOS Enrollment IDI20170106000206
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 Sandra Alsina reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Toperbee Corporation
Optometrist
THE OUTLETS AT MONTEHIEDRA, 9410 AVE LOS ROMEROS STE 32
San Juan, PR 00926
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 32 clinicians in this Medicare group
NPI 1275036725 (787) 653-2275

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00924 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$70.88 typical visit price
range $18.24 – $140.44
Typical copayment $17.72 (range $4.56 – $35.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Sandra Alsina's NPI number?

The NPI number for Sandra Alsina is 1023223112. It was assigned to this individual provider in the NPPES registry on May 11, 2007.

Where is Sandra Alsina located?

Sandra Alsina practices at Costco Carolina 1185 Ave 65 De Infanteria, San Juan, PR 00924. The listed phone number is (787) 999-7228.

What is Sandra Alsina's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Sandra Alsina enrolled in Medicare?

Yes. Sandra Alsina is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sandra Alsina's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Alsina reassigns Medicare benefits to Toperbee Corporation (San Juan, 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 Sandra Alsina's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sandra Alsina accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Sandra Alsina as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sandra Alsina was last updated on September 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.