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

Dr. Ernestine May Wen, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1275738049

Dr. Ernestine May Wen, MD is an Obstetrics & Gynecology Physician in Santa Ana, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1900 E 4th St
Santa Ana, CA 92705-3910
Phone: (714) 967-4792
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence A106114 (CA)

Record details

NPI number1275738049
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2007
Last updated in NPPESNovember 29, 2021

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