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

EFREN V NIERVA, DO

EMERGENCY MEDICINE

Graduated: 1993

Also: FAMILY PRACTICE

NPI: 1568435444

Practice Locations (4)

SHARP REES-STEALY MEDICAL GROUP INC

1400 E PALOMAR ST

CHULA VISTA, CA 919131800

8584992600

SHARP REES-STEALY MEDICAL GROUP INC

480 H ST

CHULA VISTA, CA 919104328

8584992600

SHARP REES-STEALY MEDICAL GROUP INC

10670 WEXFORD ST

SAN DIEGO, CA 921313940

8586214002

SHARP REES-STEALY MEDICAL GROUP INC

8701 CUYAMACA ST

SANTEE, CA 920714253

8584992600

Source: CMS National Downloadable File, September 2026.

EFREN NIERVA, DO | HealthCareAtlasUSA