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NELSON A ALVAREZ CARDIN MD
NPI 1275199523
Internal Medicine in San Juan, PR

Active since May 13, 2019PECOS Enrolled
10 CALLE CASIA, SAN JUAN, PR 00921(787) 641-7582 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 10, 2025, Aug 2, 2022, May 13, 2019 (3 updates tracked since 2019).

About Nelson A Alvarez Cardin Md NPPES

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

NELSON A ALVAREZ CARDIN MD (NPI 1275199523) is an individual internal medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (21477) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Juncos, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1275199523
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNELSON A ALVAREZ CARDINCredential: MD
Location Address10 CALLE CASIASan Juan, PR 00921-3201
Mailing AddressA26 Calle 3, Urb Santa JuanaCaguas, PR 00725-2008 · (787) 204-9771
Phone(787) 641-7582
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateMay 13, 2019
Last NPPES UpdateOctober 10, 20253 updates tracked since enumeration
NPPES CertifiedOctober 10, 2025
✔ NPI 1275199523 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PR · 21477
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License 21477 (PR)

Secondary Practice Location 1

Location 1R006 Calle Domingo FidalgoJuncos, PR 00777 · Phone (787) 204-9771

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nelson A Alvarez Cardin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42708638
PECOS Enrollment IDI20251024001574
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00921 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
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

VIRIANA DIEZ GUTIERREZ M.D.
Psychiatry & Neurology (Psychiatry)
10 CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-3659
FELIX OMAR GARCIA PHARMACY TECHNICIAN
Pharmacy Technician
10 CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
JOAN DIAZ RD
Dietitian, Registered
10 CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
VERONICA LUCIANO RD
Dietitian, Registered
10 CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
MR. LIZANDRO CARRASQUILLO MED,RRT
Respiratory Therapist, Registered
10 CALLE CASIA, SAN JUAN
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
SANDRA ESTHER RIVERA M.D.
Psychiatry & Neurology (Psychiatry)
10 CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
DR. KAREN MALARET PSY.D.
Psychologist (Clinical)
10 CALLE CASIA, VA CARIBBEAN HEALTHCARE SYSTEM
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
DIEGO IGNACIO ORTIZ
Internal Medicine
10 CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582

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 Nelson Alvarez Cardin's NPI number?

The NPI number for Nelson Alvarez Cardin is 1275199523. It was assigned to this individual provider in the NPPES registry on May 13, 2019.

Where is Nelson Alvarez Cardin located?

Nelson Alvarez Cardin practices at 10 Calle Casia, San Juan, PR 00921. The listed phone number is (787) 641-7582.

What is Nelson Alvarez Cardin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nelson Alvarez Cardin enrolled in Medicare?

Yes. Nelson Alvarez Cardin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nelson Alvarez Cardin was last updated on October 10, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.