Dr. Ernestine May Wen, MD
- Part D claims, 2024
- 61
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 1
- State license
- 1
- Practice address
- 441 N Lakeview Ave, Anaheim, CA 92807
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Anaheim, California
Find Dr. Wen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ernestine May Wen is an OB-GYN in Anaheim, California
Dr. Wen practices at Southern California Permanente Medical Group in Anaheim, California.
Dr. Wen's NPI, 1275738049, was assigned on June 20, 2007. Dr. Wen graduated from Keck School of Medicine of USC in 2007. Dr. Wen holds California license A106114.
- NPI
- 1275738049NPI Registry (opens in a new tab)
- NPI enumeration date
- June 20, 2007
- NPI status
- Active
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ernestine May Wen practices at Southern California Permanente Medical Group in Anaheim, California
Dr. Wen's primary practice is Southern California Permanente Medical Group, at 441 N Lakeview Ave, Anaheim, CA 92807 in Orange County. The practice phone is (714) 279-4000.
- Southern California Permanente Medical Group441 N Lakeview Ave, Anaheim, CA 92807 · Orange CountyPhone(714) 279-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ernestine May Wen is affiliated with 2 sites of care and 1 medical group
Dr. Wen's primary practice is Southern California Permanente Medical Group in Anaheim, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Wen to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ernestine May Wen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ernestine May Wen is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Wen's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Wen is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Wen is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Wen
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ernestine May Wen's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Dr. Wen's median patient age at 33, with 99% women.
Dr. Wen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women99%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Ernestine May Wen wrote 61 Medicare Part D claims in 2024
In 2024, Dr. Wen wrote 61 Medicare Part D claims for 24 patients. 92% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $445 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Wen's Part D claims by kind of drug, 2024
- Generic56 claims92%
- Brand-name and other5 claims8%
Dr. Wen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 272024: 1256%
Drugs named by CMS: 1 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Ernestine May Wen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Wen, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Wen
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Ernestine May Wen graduated from Keck School of Medicine of USC
Dr. Wen graduated from Keck School of Medicine of USC in 2007.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Ernestine May Wen accepts plans from 1 insurance carrier
Dr. Wen is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Wen accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ernestine May Wen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ernestine May Wen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ernestine May Wen's NPI number?
Dr. Ernestine May Wen's NPI number is 1275738049. It was assigned on June 20, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ernestine May Wen?
Dr. Ernestine May Wen is an OB-GYN in Anaheim, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Ernestine May Wen practice?
Dr. Wen practices at 441 N Lakeview Ave, Anaheim, CA 92807. Dr. Wen's primary practice is Southern California Permanente Medical Group in Anaheim, California. Dmand AI also links Dr. Wen to 1 group practice or clinic.
What is Dr. Ernestine May Wen's office phone number?
The practice phone on file for Dr. Wen is (714) 279-4000.
What is Dr. Ernestine May Wen's medical license number?
Dr. Wen holds California license A106114.
What medical group is Dr. Ernestine May Wen part of?
Dr. Wen is linked to Southern California Permanente Medical Group.
Is Dr. Ernestine May Wen board certified?
Yes. Dr. Wen is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Ernestine May Wen go to medical school?
Dr. Wen graduated from Keck School of Medicine of USC in 2007.
What drugs does Dr. Ernestine May Wen prescribe most?
In 2024 Medicare Part D data, Dr. Wen's most prescribed drugs by claims were Estradiol.
How long has Dr. Ernestine May Wen been practicing?
Dr. Wen graduated from medical school in 2007, 19 years ago.
What insurance does Dr. Ernestine May Wen accept?
Dr. Wen is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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