Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Efren V Nierva, DO

Individual provider Family Medicine Physician · NPI 1568435444

Dr. Efren V Nierva, DO is an Emergency Medicine in Chula Vista, California. Qualified in 1993, 33 years ago. Practices with Sharp Rees-Stealy Medical Group Inc, a 874-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

480 E H St
Chula Vista, CA 91910-7473
Phone: (619) 585-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1555 Palm Ave, San Diego, CA 92154-1012 — (832) 604-3771

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A7490 (CA)

Record details

NPI number1568435444
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESFebruary 19, 2026
Certification dateFebruary 19, 2026
Mailing address480 E H St, Chula Vista, CA 91910-7473

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Sharp Rees-Stealy Medical Group Inc — 874 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Chula Vista