HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / NM

ANN S MERCER, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE

Graduated: 1978

Offers telehealth

NPI: 1811913502

Practice Locations (1)

2801 MISSOURI AVE, SUITE 12

LAS CRUCES, NM 880115061

5055226900

Source: CMS National Downloadable File, September 2026.

ANN MERCER, MD | HealthCareAtlasUSA