Eric Twerdahl MD
About this NPIWhat this record shows.
NPI 1093035461 is registered to Eric Twerdahl MD, a Vascular Surgery Physician practising at 1 Medical Center Dr in Lebanon, New Hampshire. Vascular Surgery Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Eric Twerdahl MD has been enumerated in the National Provider Identifier (NPI) registry since 2010.
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
- I20220518001387Vascular SurgeryVA
- I20221003002129Vascular SurgeryDC
- I20250926000434Vascular SurgeryNH
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 Eric Twerdahl MD accepts. To confirm in-network status with your specific health plan, contact Eric Twerdahl MD directly at (603) 650-5000.
Frequently asked
Yes. NPI 1093035461 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Vascular Surgery Physician 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 (603) 650-5000.
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. Eric Twerdahl MD is a Type-1 individual NPI.