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 / CA

ALEXANDER N GREINER, MD

ALLERGY/IMMUNOLOGY

Medical school: STATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY

Graduated: 1998

Offers telehealth

NPI: 1609801299

Practice Locations (4)

RADY CHILDREN'S HOSPITAL SAN DIEGO

2125 CITRACADO PKWY

ESCONDIDO, CA 920294159

7602949260

RADY CHILDREN'S HOSPITAL SAN DIEGO

3010 CHILDRENS WAY

SAN DIEGO, CA 921234223

8585761700

RADY CHILDREN'S HOSPITAL SAN DIEGO

3020 CHILDREN'S WAY

SAN DIEGO, CA 921234223

8585761700

RADY CHILDREN'S HOSPITAL SAN DIEGO

5776 RUFFIN RD

SAN DIEGO, CA 921231013

8585761700

Source: CMS National Downloadable File, September 2026.

ALEXANDER GREINER, MD | HealthCareAtlasUSA