Gregory Diem
About this NPIWhat this record shows.
NPI 1457086159 is registered to Gregory Diem, a Physical Therapist practising at 1170 Northern Blvd in Manhasset, New York. Physical Therapist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Gregory Diem has been enumerated in the National Provider Identifier (NPI) registry since 2022.
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
- I20221206000097Physical Therapist in Private PracticeNY
- I20240912003412Physical Therapist in Private PracticeNJ
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 Gregory Diem accepts. To confirm in-network status with your specific health plan, contact Gregory Diem directly at (516) 684-1122.
Frequently asked
Yes. NPI 1457086159 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Physical Therapist 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 (516) 684-1122.
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. Gregory Diem is a Type-1 individual NPI.