Hilary Newgen M.D.
Also known as
- Formerly known asKoyanagi, Hilary
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1881868123 is registered to Hilary Newgen M.D., a Neurology practising at 12011 Lee-Jackson Memorial Highway, Penderbrook Medical Center in Fairfax, Virginia. Neurology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Hilary Newgen M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
Your brand here.
Medicare enrollment
This provider holds 2 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
- I20091118000082NeurologyDC
- I20250910002084NeurologyVA
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 Hilary Newgen M.D. accepts. To confirm in-network status with your specific health plan, contact Hilary Newgen M.D. directly at (703) 383-5400.
Frequently asked
Yes. NPI 1881868123 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Neurology 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 (703) 383-5400.
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. Hilary Newgen M.D. is a Type-1 individual NPI.