Dr. William Cherniak MD, Mph
About this NPIWhat this record shows.
NPI 1649635095 is registered to Dr. William Cherniak MD, Mph, a Emergency Medicine practising at 20311 Sw Acacia St Ste 140 in Newport Beach, California. Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. William Cherniak MD, Mph has been enumerated in the National Provider Identifier (NPI) registry since 2015.
Your brand here.
Medicare enrollment
This provider holds 3 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20160811000731Emergency MedicineMD
- I20201106000176Emergency MedicineCA
- I20240716000993Family PracticeNY
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. William Cherniak MD, Mph accepts. To confirm in-network status with your specific health plan, contact Dr. William Cherniak MD, Mph directly at (831) 777-4283.
Frequently asked
Yes. NPI 1649635095 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (831) 777-4283.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. William Cherniak MD, Mph is a Type-1 individual NPI.