Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gregory Diem

Individual provider Physical Therapist · NPI 1457086159

Gregory Diem is a Physical Therapist in Private Practice in Manhasset, New York. Qualified in 2022, 4 years ago. Practices with Professional Occupational and Physical Therapy, PLLC, a 493-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
4
Licensed in
NY
In the registry since
2022
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Practice location Address checks out

1170 Northern Blvd
Manhasset, NY 11030-3018
Phone: (516) 684-1122
Fax: (516) 684-1123
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X (NY)

Record details

NPI number1457086159
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJuly 18, 2022
Last updated in NPPESJuly 18, 2022
Certification dateJuly 18, 2022
Mailing address576 Broadhollow Rd, Melville, NY 11747-5002

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Professional Occupational And Physical Therapy, Pllc — 493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Manhasset