Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ainek Grullon Espaillat

Internal Medicine Physician in Ponce, PR · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1316595507

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Registry record

Entity type Individual (Type 1)

Name Dr. Ainek Grullon Espaillat

Sex Female

Practice address Ponce Health Sciences University, 388 Zona Industrial Reparada 2, Ponce, PR, 00716

Phone (787) 840-2575

Fax (787) 844-1930

Enumeration date Aug 30, 2019

Last updated in NPPES Aug 19, 2025

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 023801 (PR) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 23801 (PR) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Ainek Grullon Espaillat practice?

The practice location on file with NPPES is in Ponce, PR. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Ainek Grullon Espaillat?

The National Provider Identifier (NPI) for Ainek Grullon Espaillat is 1316595507, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-19.