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DR. ERNESTINE MAY WEN M.D
NPI 1275738049
Obstetrics & Gynecology in Santa Ana, CA

Active since June 20, 2007PECOS Enrolled
1900 E 4TH ST, SANTA ANA, CA 92705(714) 967-4792 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ernestine May Wen M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ERNESTINE MAY WEN M.D (NPI 1275738049) is an individual obstetrics & gynecology provider in Santa Ana, California, licensed in California (A106114) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275738049
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. ERNESTINE MAY WENCredential: M.D
Location Address1900 E 4TH STSanta Ana, CA 92705-3910
Mailing Address241 W Pebble Creek LnOrange, CA 92865-1095 · (213) 200-5570
Phone(714) 967-4792
Sole ProprietorNo
Enumeration DateJune 20, 2007
Last NPPES UpdateNovember 29, 2021
✔ NPI 1275738049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A106114
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1900 E 4TH ST, Santa Ana, CA 92705
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ernestine May Wen M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. MICHAEL JAMES PANOWICZ
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4766
ALEXANDER WONG DO
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (833) 574-2273
DR. RHETT MARK BARTOLOME D.O.
Family Medicine
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4675
DR. CHRISTOPHER THOMAS DONNELLY M.D.
Obstetrics & Gynecology
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4700
DR. LUIS MANUEL SANDOVAL MD
Psychiatry & Neurology (Psychiatry)
1900 E 4TH ST, 2ND FLOOR
SANTA ANA, CA 92705
Orange County (714) 223-4589
LILY LEE D.O.
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 674-4766
CRYSTAL CHEUNG
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4766
ANDREW TAEHWAN SHIN DO
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4548

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ernestine Wen's NPI number?

The NPI number for Ernestine Wen is 1275738049. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Where is Ernestine Wen located?

Ernestine Wen practices at 1900 E 4th St, Santa Ana, CA 92705. The listed phone number is (714) 967-4792.

What is Ernestine Wen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Ernestine Wen enrolled in Medicare?

Yes. Ernestine Wen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ernestine Wen was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.