Erna W. Wong, MD
Neonatal-Perinatal Medicine Physician · Anaheim, CA
Erna W. Wong, MD is a neonatal-perinatal medicine physician with a practice address in Anaheim, California, and NPI 1285701185, issued on Nov 29, 2006. Check the license (California G49296, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erna W. Wong
- Credential
- MD
- Primary taxonomy
- Neonatal-Perinatal Medicine Physician 2080N0001X
- License number
- G49296 CA
Self-reported in NPPES; status is on the state search - Practice location
- 441 N Lakeview Ave, Anaheim, CA 92807
- Phone
- (888) 988-2800
- Enumerated
- Nov 29, 2006
- Record last updated
- Sep 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest neonatal-perinatal medicine physician records → All 871 in California → Look up another NPI →
Also registered at 441 N Lakeview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Erna W. Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G49296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average neonatal-perinatal medicine physician in 2024
13 Medicare Part D claims, against an average of 33 among the 189 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Erna W. Wong among 871 neonatal-perinatal medicine physician records in California
Erna W. Wong, MD is one of 871 neonatal-perinatal medicine physician records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 52% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neonatal-Perinatal Medicine Physician providers in California
There are 871 neonatal-perinatal medicine physician records in California.
All 871 in California → Every provider in Anaheim → Neonatal-Perinatal Medicine Physician nationwide →
The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes
- Claudia Alleyne, MDAnaheim, CA 928071922179811
- Veeraiah Chundu, MDAnaheim, CA 928071194774612
- Steven Lu, MDAnaheim, CA 928071083817779
- Jonathan Lukoff, MDAnaheim, CA 928071740351717
- Marielle Nguyen, M.D.Anaheim, CA 928071427241975
- Luke Yu, MDAnaheim, CA 928071871660761
- Ya-Mei Yu, MDAnaheim, CA 928071033286992
- Maria Abrantes, MDAnaheim, CA 928061861438889
Common questions
What is Erna W. Wong, MD's NPI number?
Erna W. Wong, MD's National Provider Identifier (NPI) is 1285701185, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Erna W. Wong, MD located?
The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Erna W. Wong, MD's license?
NPPES lists California license number G49296, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erna W. Wong, MD prescribe under Medicare Part D?
In 2024, Erna W. Wong, MD had 13 Medicare Part D claims; the average among neonatal-perinatal medicine physician prescribers was 33. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.