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DR. MARIA L. ALONSO M.D.
NPI 1912921172
Family Medicine - Geriatric Medicine in San Juan, PR

Active since July 27, 2006
10 CALLE CASIA, SAN JUAN, PR 00921(787) 641-7582 Get Directions Write a Review

NPPES record last updated: December 19, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Maria L. Alonso M.d. NPPES

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

DR. MARIA L. ALONSO M.D. (NPI 1912921172) is an individual geriatric medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (11128) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1912921172
Entity TypeIndividualFemale
Primary Taxonomy207QG0300X
Provider Legal NameDR. MARIA L. ALONSOCredential: M.D.
Location Address10 CALLE CASIASan Juan, PR 00921-3200
Mailing AddressI3 Calle San Esteban, Urb. San Pedro EstatesCaguas, PR 00725-7659 · (787) 367-2302
Phone(787) 641-7582
Sole ProprietorYes
Enumeration DateJuly 27, 2006
Last NPPES UpdateDecember 19, 2016
✔ NPI 1912921172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QG0300X
License✔ Licensed in PR · 11128
Definition
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 11128 (PR)
10 CALLE CASIA, San Juan, PR 00921
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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 Maria Alonso's NPI number?

The NPI number for Maria Alonso is 1912921172. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Maria Alonso located?

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

What is Maria Alonso's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

When was this NPI record last updated?

The NPPES record for Maria Alonso was last updated on December 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.