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

DR. MARCUS ALEXANDER RAMIREZ SANTOYO PSYD
NPI 1861284812
Psychologist - Clinical in Mexico City, MEXICO CITY

Active since May 17, 2025
SINALOA 149, INTERIOR 503, MEXICO CITY, MEXICO CITY 06700 Get Directions Write a Review

NPPES record last updated: September 6, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 6, 2026, Mar 14, 2026, May 17, 2025 (3 updates tracked since 2025).

About Dr. Marcus Alexander Ramirez Santoyo Psyd NPPES

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

DR. MARCUS ALEXANDER RAMIREZ SANTOYO PSYD (NPI 1861284812) is an individual clinical provider in Mexico City, MEXICO CITY, licensed in New York (028011) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1861284812
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARCUS ALEXANDER RAMIREZ SANTOYOCredential: PSYD
Location AddressSINALOA 149, INTERIOR 503Mexico City, MEXICO CITY 06700
Mailing AddressSinaloa 149, Interior 503Mexico City, MEXICO CITY 06700
Sole ProprietorYes
Enumeration DateMay 17, 2025
Last NPPES UpdateSeptember 6, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 6, 2026
NPI 1861284812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in NY · 028011
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
SINALOA 149, Mexico City, MEXICO CITY 06700

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 Marcus Ramirez Santoyo's NPI number?

The NPI number for Marcus Ramirez Santoyo is 1861284812. It was assigned to this individual provider in the NPPES registry on May 17, 2025.

Where is Marcus Ramirez Santoyo located?

Marcus Ramirez Santoyo practices at Sinaloa 149 Interior 503, Mexico City, MEXICO CITY 06700.

What is Marcus Ramirez Santoyo's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Marcus Ramirez Santoyo was last updated on September 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.