Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. OSCAR A RUIZ M.D.
NPI 1578506937
Psychiatry & Neurology - Psychiatry in Hato Rey, PR

Q: What is Oscar Ruiz's NPI number?

The NPI number for Oscar Ruiz is 1578506937. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Q: What is Oscar Ruiz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Oscar Ruiz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.

Active since June 14, 2006

400 AVE. F.D ROOSEVELT, SUITE 410, HATO REY, PR 00918(787) 753-6414(787) 763-7125 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Oscar A Ruiz M.d. NPPES

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

DR. OSCAR A RUIZ M.D. (NPI 1578506937) is an individual psychiatry provider in Hato Rey, Puerto Rico, licensed in Puerto Rico (6760) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1578506937

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. OSCAR A RUIZCredential: M.D.

Location Address400 AVE. F.D ROOSEVELT, SUITE 410Hato Rey, PR 00918

Mailing Address400 Ave. F.d Roosevelt, Suite 410Hato Rey, PR 00918 · (787) 753-6414 · Fax (787) 763-7125

Phone(787) 753-6414

Fax(787) 763-7125

Sole ProprietorNo

Enumeration DateJune 14, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1578506937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in PR · 6760

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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 Oscar Ruiz's NPI number?

The NPI number for Oscar Ruiz is 1578506937. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Oscar Ruiz located?

Oscar Ruiz practices at 400 Ave. F.D Roosevelt Suite 410, Hato Rey, PR 00918. The listed phone number is (787) 753-6414.

What is Oscar Ruiz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Oscar Ruiz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.