Ari Hirshfeld
About this NPIWhat this record shows.
NPI 1881154268 is registered to Ari Hirshfeld, a Hospitalist practising at 50 Union St in Ellsworth, Maine. Hospitalist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ari Hirshfeld has been enumerated in the National Provider Identifier (NPI) registry since 2019.
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
- I20230210000539Internal MedicineME
- I20250410002124Internal MedicineNJ
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 Ari Hirshfeld accepts. To confirm in-network status with your specific health plan, contact Ari Hirshfeld directly at (207) 664-5311.
Frequently asked
Yes. NPI 1881154268 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hospitalist 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 (207) 664-5311.
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. Ari Hirshfeld is a Type-1 individual NPI.