Eileen Hahn Physician Assistant
About this NPIWhat this record shows.
NPI 1861370264 is registered to Eileen Hahn Physician Assistant, a Physician Assistant practising at 1399 Ygnacio Valley Rd Ste 11d in Walnut Creek, California. Physician Assistant is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Eileen Hahn Physician Assistant has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20251123000064Physician AssistantCA
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 Eileen Hahn Physician Assistant accepts. To confirm in-network status with your specific health plan, contact Eileen Hahn Physician Assistant directly at (925) 357-9033.
Frequently asked
Yes. NPI 1861370264 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Physician Assistant 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 (925) 357-9033.
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. Eileen Hahn Physician Assistant is a Type-1 individual NPI.